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Liu YC, Zhang X, Yang HN, Zhang L, Li D, Yang MQ, Wang NH, Wu YZ, Sui JD, Wang Y. Proposals for the delineation of neck clinical target volume for definitive Radiation therapy in patients with oral/ oropharyngeal squamous cell cancer based on lymph node distribution. Radiother Oncol 2024; 195:110225. [PMID: 38490491 DOI: 10.1016/j.radonc.2024.110225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 03/07/2024] [Accepted: 03/11/2024] [Indexed: 03/17/2024]
Abstract
PURPOSE/OBJECTIVE(S) To establish the distribution pattern of cervical lymph node metastasis (LNM) and propose optimized clinical target volume (CTV) boundaries specific to oral/ oropharyngeal squamous cell cancer (OSCC/OPSCC). MATERIALS/METHODS 531 patients with pathologically confirmed OSCC/OPSCC were enrolled from January 2013 to June 2022. Patients were stratified into two groups based on the minimal distance from the lesion's edge to the body's midline: ≤1 cm or > 1 cm. The geometric center of cervical metastatic LN was marked on a template CT. LN distribution probability maps were established. The relationships between the LN distribution and consensus guidelines were analyzed to propose modifications for CTV boundaries specific to OSCC/OPSCC. RESULTS A total of 1962 positive LNs were enrolled. Compared with the > 1 cm group, the ≤ 1 cm group has following feature tendencies: male smokers, younger, median organs, large gross lesion, infiltrative growth pattern, contralateral LNM. The most frequently involved level of LNM was ipsilateral II, but ipsilateral Ib had the highest involvement rate in the > 1 cm OSCC group. In addition, tongue cancer had a higher incidence of LN extranodal extension (ENE), which mainly distributes in ipsilateral level II. The skip metastasis was prone to from level III to Vb (3.5 %) in LN(+)/ENE (-), and level Ib to VIa (3.7 %) in LN(+)/ENE (+). Accordingly, we proposed the following modifications: 1. only including lateral and posterior margin of submandibular gland within 5 mm; 2. retracting posterior boundary of level II to front edge of levator scapula muscle, and descending the upper boundary to transverse process of C2 vertebra only for OSCC; 3. including posterior third of thyroglossal muscle or anterior edge of sternocleidomastoid muscle; 4. sparing level Va in case of only level II involvement; 5. including upper area of the thyroid cartilage plate in case of level Ib LN(+)/ENE (+); 6. sparing level VIIa is considered. CONCLUSION This is the first description of LN topographic spread patterns for OSCC/OPSCC. Modified CTV for prophylactic irradiation was proposed to spare the organs at risk and minimize adverse effects.
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Affiliation(s)
- Yun-Chang Liu
- College of Medicine, Chongqing University, Chongqing, China.
| | - Xin Zhang
- Radiation Oncology Center, Chongqing University Cancer Hospital, Chongqing, China.
| | - Hao-Nan Yang
- College of Medicine, Chongqing University, Chongqing, China
| | - Lu Zhang
- College of Medicine, Chongqing University, Chongqing, China
| | - Dan Li
- Radiation Oncology Center, Chongqing University Cancer Hospital, Chongqing, China
| | - Meng-Qi Yang
- Radiation Oncology Center, Chongqing University Cancer Hospital, Chongqing, China
| | - Nuo-Han Wang
- College of Medicine, Chongqing University, Chongqing, China
| | - Yong-Zhong Wu
- College of Medicine, Chongqing University, Chongqing, China; Radiation Oncology Center, Chongqing University Cancer Hospital, Chongqing, China
| | - Jiang-Dong Sui
- College of Medicine, Chongqing University, Chongqing, China; Radiation Oncology Center, Chongqing University Cancer Hospital, Chongqing, China.
| | - Ying Wang
- College of Medicine, Chongqing University, Chongqing, China; Radiation Oncology Center, Chongqing University Cancer Hospital, Chongqing, China.
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Chow JCH, Ho JCS, Cheung KM, Johnson D, Ip BYM, Beitler JJ, Strojan P, Mäkitie AA, Eisbruch A, Ng SP, Nuyts S, Mendenhall WM, Babighian S, Ferlito A. Neurological complications of modern radiotherapy for head and neck cancer. Radiother Oncol 2024; 194:110200. [PMID: 38438018 DOI: 10.1016/j.radonc.2024.110200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/21/2024] [Accepted: 02/29/2024] [Indexed: 03/06/2024]
Abstract
Radiotherapy is one of the mainstay treatment modalities for the management of non-metastatic head and neck cancer (HNC). Notable improvements in treatment outcomes have been observed in the recent decades. Modern radiotherapy techniques, such as intensity-modulated radiotherapy and charged particle therapy, have significantly improved tumor target conformity and enabled better preservation of normal structures. However, because of the intricate anatomy of the head and neck region, multiple critical neurological structures such as the brain, brainstem, spinal cord, cranial nerves, nerve plexuses, autonomic pathways, brain vasculature, and neurosensory organs, are variably irradiated during treatment, particularly when tumor targets are in close proximity. Consequently, a diverse spectrum of late neurological sequelae may manifest in HNC survivors. These neurological complications commonly result in irreversible symptoms, impair patients' quality of life, and contribute to a substantial proportion of non-cancer deaths. Although the relationship between radiation dose and toxicity has not been fully elucidated for all complications, appropriate application of dosimetric constraints during radiotherapy planning may reduce their incidence. Vigilant surveillance during the course of survivorship also enables early detection and intervention. This article endeavors to provide a comprehensive review of the various neurological complications of modern radiotherapy for HNC, summarize the current incidence data, discuss methods to minimize their risks during radiotherapy planning, and highlight potential strategies for managing these debilitating toxicities.
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Affiliation(s)
- James C H Chow
- Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong Special Administrative Region.
| | - Jason C S Ho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong Special Administrative Region
| | - Ka Man Cheung
- Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong Special Administrative Region
| | - David Johnson
- Department of Clinical Oncology, Prince of Wales Hospital, Hong Kong Special Administrative Region
| | - Bonaventure Y M Ip
- Division of Neurology, Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong Special Administrative Region; Li Ka Shing Institute of Health Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region
| | - Jonathan J Beitler
- Harold Alfond Center for Cancer Care, Maine General Hospital, Augusta, ME, USA
| | - Primož Strojan
- Department of Radiation Oncology, Institute of Oncology, Ljubljana, Slovenia
| | - Antti A Mäkitie
- Department of Otorhinolaryngology, Head and Neck Surgery, Research Program in Systems Oncology, Faculty of Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Avraham Eisbruch
- Department of Radiation Oncology, University of Michigan Medicine, Ann Arbor, MI, USA
| | - Sweet Ping Ng
- Department of Radiation Oncology, Olivia Newton-John Cancer Centre, Austin Health, Melbourne, Australia
| | - Sandra Nuyts
- Department of Radiation Oncology, Leuven Cancer Institute, University Hospitals Leuven, KU Leuven - University of Leuven, Leuven, Belgium; Laboratory of Experimental Radiotherapy, Department of Oncology, University of Leuven, Leuven, Belgium
| | - William M Mendenhall
- Department of Radiation Oncology, University of Florida College of Medicine, Gainesville, FL, USA
| | - Silvia Babighian
- Department of Ophthalmology, Ospedale Sant'Antonio, Azienda Ospedaliera, Padova, Italy
| | - Alfio Ferlito
- Coordinator of the International Head and Neck Scientific Group, Padua, Italy
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Riggenbach E, Waser M, Mueller SA, Aebersold DM, Giger R, Elicin O. Oncologic outcome with versus without target volume compartmentalization in postoperative radiotherapy for oral cavity squamous cell carcinoma. Front Oncol 2024; 14:1362025. [PMID: 38590644 PMCID: PMC10999524 DOI: 10.3389/fonc.2024.1362025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 03/08/2024] [Indexed: 04/10/2024] Open
Abstract
Background and purpose The volume treated with postoperative radiation therapy (PORT) in patients with oral cavity squamous cell carcinoma (OCSCC) is a mediator of toxicity affecting quality of life. Current guidelines only allow for very limited reduction of PORT volumes. This study investigated the safety and efficacy of de-intensified PORT for patients with OCSCC by refined compartmentalization of the treatment volume. Materials and methods This retrospective cohort study identified 103 OCSCC patients treated surgically from 2014 to 2019 with a loco-regional risk profile qualifying for PORT according to guidelines. PORT was administered only to the at-risk compartment and according to a refined compartmentalization concept (CC). Oncological outcome of this CC cohort was compared to a historical cohort (HC) of 98 patients treated before the CC was implemented. Results Median follow-up time was 4.5 and 4.8 years in the CC and HC cohorts, respectively. In the CC cohort, a total of 72 of 103 patients (70%) had a pathological risk profile that allowed for further compartmentalization and, hence, received a reduced treatment volume or omission of PORT altogether. Loco-regional control at 3 and 5 years was 77% and 73% in the CC cohort versus 78% and 73% in the HC (p = 0.93), progression-free survival was 72% and 64% versus75% and 68% (p = 0.58), respectively. Similarly, no statistically significant difference was seen in other outcome measures. Conclusions De-intensified PORT limiting the treatment volume to the at-risk compartment or avoiding PORT altogether for low-risk patients with OCSCC does not seem to compromise disease control in this retrospective comparison. Based on these hypothesis-generating findings, a prospective study is being planned.
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Affiliation(s)
- Elena Riggenbach
- Department of Radiation Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Manuel Waser
- Department of Otorhinolaryngology, Head and Neck Surgery, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Simon A. Mueller
- Department of Otorhinolaryngology, Head and Neck Surgery, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department of Otorhinolaryngology Head and Neck Surgery, University Hospital and University of Zurich, Zurich, Switzerland
| | - Daniel M. Aebersold
- Department of Radiation Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Roland Giger
- Department of Otorhinolaryngology, Head and Neck Surgery, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Olgun Elicin
- Department of Radiation Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
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Ah-Thiane L, Rousseau C, Aumont M, Cailleteau A, Doré M, Mervoyer A, Vaugier L, Supiot S. The Sentinel Lymph Node in Treatment Planning: A Narrative Review of Lymph-Flow-Guided Radiotherapy. Cancers (Basel) 2023; 15:2736. [PMID: 37345071 DOI: 10.3390/cancers15102736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/09/2023] [Accepted: 05/11/2023] [Indexed: 06/23/2023] Open
Abstract
The sentinel lymph node technique is minimally invasive and used routinely by surgeons, reducing the need for morbid extensive lymph node dissections, which is a significant advantage for cancer staging and treatment decisions. The sentinel lymph node could also help radiation oncologists to identify tumor drainage for each of their patients, leading to a more personalized radiotherapy, instead of a probabilistic irradiation based on delineation atlases. The aim is both to avoid recurrence in unexpected areas and to limit the volume of irradiated healthy tissues. The aim of our study is to evaluate the impact of sentinel lymph node mapping for radiation oncologists. This concept, relying on sentinel lymph node mapping for treatment planning, is known as lymph-flow-guided radiotherapy. We present an up-to-date narrative literature review showing the potential applications of the sentinel lymph node technique for radiotherapy, as well as the limits that need to be addressed before its routine usage.
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Affiliation(s)
- Loic Ah-Thiane
- Department of Radiotherapy, ICO René Gauducheau, Boulevard Jacques Monod, 44800 St-Herblain, France
| | - Caroline Rousseau
- Department of Nuclear Medicine, ICO René Gauducheau, Boulevard Jacques Monod, 44800 St-Herblain, France
- CRCI2NA, UMR 1307 Inserm-UMR 6075 CNRS, Nantes University, 44000 Nantes, France
| | - Maud Aumont
- Department of Radiotherapy, ICO René Gauducheau, Boulevard Jacques Monod, 44800 St-Herblain, France
| | - Axel Cailleteau
- Department of Radiotherapy, ICO René Gauducheau, Boulevard Jacques Monod, 44800 St-Herblain, France
| | - Mélanie Doré
- Department of Radiotherapy, ICO René Gauducheau, Boulevard Jacques Monod, 44800 St-Herblain, France
| | - Augustin Mervoyer
- Department of Radiotherapy, ICO René Gauducheau, Boulevard Jacques Monod, 44800 St-Herblain, France
| | - Loig Vaugier
- Department of Radiotherapy, ICO René Gauducheau, Boulevard Jacques Monod, 44800 St-Herblain, France
| | - Stéphane Supiot
- Department of Radiotherapy, ICO René Gauducheau, Boulevard Jacques Monod, 44800 St-Herblain, France
- CRCI2NA, Inserm UMR 1232, CNRS ERL 6001, Nantes University, 44000 Nantes, France
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Watson CN. Contralateral Constrictor Dose Predicts Swallowing Function After Radiation for Head and Neck Cancer. Fed Pract 2023; 40:S46-S52. [PMID: 37727829 PMCID: PMC10506497 DOI: 10.12788/fp.0344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Background Radiation therapy can cause long-term dysphagia that seriously affects quality of life for survivors of head and neck cancer. This study evaluates a novel organ at risk, the contralateral pharyngeal constrictor muscles, to find out whether radiation dose to this structure predicts late swallowing function in patients with head and neck cancer. Methods The study included patients with head and neck cancer treated with radiation and concurrent systemic therapy at a single institution over 3 years. One-year dysphagia was defined as either the presence of a gastrostomy tube or an abnormal modified barium swallow ≥ 1 year after completion of radiation. Results Fifty-five patients met inclusion criteria, of which 46 were alive at 1 year. One-year dysphagia was present in 37% (n = 17) of this population. Contralateral constrictor V60 < 40% was associated with a 1-year dysphagia rate of 6%, compared with 57% in patients with V60 ≥ 40% (P < .001). An uninvolved pharynx mean dose < 45 Gy was associated with a 1-year dysphagia rate of 22%, compared with 52% in patients with an uninvolved pharynx mean dose ≥ 45 Gy (P = .03). Editing the clinical target volume off air cavities was associated with a decrease in 1-year dysphagia from 67% to 12% (P < .001), and with a reduction of contralateral constrictor V60 from 62% to 33% (P < .001). Air cavity editing was not associated with a change in locoregional recurrence or 1-year survival. Conclusions This is the first study to report a connection between contralateral constrictor dose and late swallowing function. The correlation between air cavity editing and contralateral constrictor V60 suggests that contralateral constrictor dose may depend partly on technique. Further studies are needed to explore whether these findings can be replicated prospectively and in other practice settings.
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Effect of lymphoid volume irradiation on radiation-induced lymphopenia in head and neck cancers. Cancer Radiother 2023; 27:145-153. [PMID: 36759240 DOI: 10.1016/j.canrad.2022.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/21/2022] [Accepted: 08/25/2022] [Indexed: 02/10/2023]
Abstract
PURPOSE Radiotherapy induces significant and prolonged lymphopenia in head and neck cancer patients with poorer outcomes and reduced survival. Irradiated volumes may be correlated with lymphopenia with a potential impact on immunotherapy efficacy. We assessed associations between volumes treated with radiotherapy and the nadir of the lymphocyte count in patients with head and neck cancer. MATERIALS AND METHODS We conducted a monocentric retrospective study in patients with head and neck cancer treated with radiation. Univariate analysis used regression analysis to model nadir lymphocyte count and radiotherapy volumes; multivariate analysis then modelled factors associated with nadir lymphocyte count. RESULTS Of the 77 included patients, 97% presented lymphopenia during radiotherapy with an average nadir of 431 cells/mm3 at a median of 40 days after the beginning of treatment. The volume of high-risk radiotherapy and gross tumour volume were correlated with nadir lymphocyte count with a Spearman coefficient of -0.267 (P=0.019) and -0.387 (P=0.001), respectively. After multivariate linear regression, high-risk radiotherapy was significantly associated with nadir lymphocyte count with a regression coefficient of -0.32 (per cubic centimetre) [95% CI=-0.60; -0.03] (P=0.028). CONCLUSION High-risk radiotherapy was significantly associated with nadir lymphocyte count in patients with head and neck cancer treated with radiation. Sparing lymphoid volumes from irradiation by elective nodal irradiation or proton therapy may limit lymphopenia and needs to be investigated in combination with immunotherapy.
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Rao YJ, Goodman JF, Haroun F, Bauman JE. Integrating Immunotherapy into Multimodal Treatment of Head and Neck Cancer. Cancers (Basel) 2023; 15:cancers15030672. [PMID: 36765627 PMCID: PMC9913370 DOI: 10.3390/cancers15030672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/14/2023] [Accepted: 01/18/2023] [Indexed: 01/25/2023] Open
Abstract
Patients with locally advanced head and neck squamous cell carcinoma (HNSCC) have a poor prognosis, with a significant risk of progression or death despite multimodal treatment with surgery, chemotherapy, and radiotherapy. Immune checkpoint inhibitors targeting the programmed death receptor-1 (PD1) have dramatically changed the treatment landscape for recurrent/metastatic disease, improving overall survival in both the first- and second-line palliative settings. This success has driven the investigation of treatment strategies incorporating immunotherapy earlier into the multimodal curative-intent or salvage treatment of both locally advanced and recurrent/metastatic HNSCC. This review encompassed the following three subjects, with a focus on recently reported and ongoing clinical trials: (1) the use of neoadjuvant immunotherapy prior to surgery for locally advanced HNSCC, (2) the use of immunochemoradiotherapy for locally advanced head and neck cancers, and (3) novel uses of immunotherapy in the salvage of recurrent/metastatic HNSCC via a combined modality, including reirradiation paradigms. The results of these studies are eagerly awaited to improve patient outcomes in this challenging disease.
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Affiliation(s)
- Yuan James Rao
- Division of Radiation Oncology, The George Washington University School of Medicine, Washington, DC 20037, USA
| | - Joseph F. Goodman
- Division of Head and Neck Surgery, The George Washington University School of Medicine, Washington, DC 20037, USA
| | - Faysal Haroun
- Division of Hematology/Oncology, The George Washington University School of Medicine, Washington, DC 20037, USA
| | - Julie E. Bauman
- Division of Hematology/Oncology, The George Washington University School of Medicine, Washington, DC 20037, USA
- Correspondence:
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Ansinelli H, Gay C, Nguyen S, Morrison CM, Robbins JR. Personalized precision radiotherapy and its evolving role for human papillomavirus-positive oropharyngeal cancer. JOURNAL OF THE NATIONAL CANCER CENTER 2022. [DOI: 10.1016/j.jncc.2022.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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Tirelli G, Gardenal N, Zanelli E, Borsetto D, Phillips V, Marcuzzo AV, Fussey J, Polesel J, Boscolo-Rizzo P. Prevalence and prognostic impact of retropharyngeal lymph nodes metastases in oropharyngeal squamous cell carcinoma: Meta-analysis of published literature. Head Neck 2022; 44:2265-2276. [PMID: 35913029 PMCID: PMC9540534 DOI: 10.1002/hed.27166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 07/12/2022] [Accepted: 07/15/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND This systematic review and meta-analysis aims to estimate the prevalence and prognostic impact of retropharyngeal lymph node metastases (RLNMs) in oropharyngeal squamous cell carcinoma (OPSCC). METHODS This meta-analysis was conducted according to PRISMA guidelines. INCLUSION CRITERIA studies with more than 20 patients reporting the prevalence or prognostic impact of RLNMs in OPSCC. Whenever available, data on HPV status and subsites were extracted. RESULTS Twenty-two articles were included. The overall prevalence of RLNMs in OPSCC was 13%, with no significant differences depending on HPV status. The highest prevalence was observed for posterior pharyngeal wall SCC (24%), followed by soft palate (17%), palatine tonsil (15%), and base of tongue (8%). RLNMs were associated with a significantly higher risk of death (HR:2.54;IC95%1.89-3.41) and progression (HR:2.44;IC95%1.80-3.30). CONCLUSIONS The prevalence of RLNMs in OPSCC was 13%, being higher in tumors of the posterior pharyngeal wall. RLNMs were associated with unfavorable outcomes.
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Affiliation(s)
- Giancarlo Tirelli
- Department of Medical, Surgical, and Health Sciences, Section of Otolaryngology, University of Trieste, Trieste, Italy
| | - Nicoletta Gardenal
- Department of Medical, Surgical, and Health Sciences, Section of Otolaryngology, University of Trieste, Trieste, Italy
| | - Enrico Zanelli
- Department of Medical, Surgical, and Health Sciences, Section of Otolaryngology, University of Trieste, Trieste, Italy
| | - Daniele Borsetto
- Department of ENT, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | | | - Alberto Vito Marcuzzo
- Department of Medical, Surgical, and Health Sciences, Section of Otolaryngology, University of Trieste, Trieste, Italy
| | - Jonathan Fussey
- Department of ENT/Head and Neck Surgery, Queen Elizabeth University Hospital Birmingham, Birmingham, UK
| | - Jerry Polesel
- Unit of Cancer Epidemiology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, Aviano, Italy
| | - Paolo Boscolo-Rizzo
- Department of Medical, Surgical, and Health Sciences, Section of Otolaryngology, University of Trieste, Trieste, Italy
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Hara JH, Gutiontov SI, Uddin S, Rosenberg AJ, Pearson AT, Gooi Z, Blair EA, Agrawal N, Vokes EE, Ginat DT, Haraf DJ, Juloori A. Characterizing Lymph Node Burden With Elective Unilateral Neck Irradiation in Human Papillomavirus-Positive Tonsil Squamous Cell Carcinoma: Defining the Upper Limits. Cureus 2022; 14:e27521. [PMID: 36060366 PMCID: PMC9424785 DOI: 10.7759/cureus.27521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/31/2022] [Indexed: 11/05/2022] Open
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Garas G, Roland NJ, Lancaster J, Zammit M, Manon VA, Davies K, Jones TM, De M, Holsinger FC, Prestwich RJD, Fleming JC. Novel Strategies for Managing Retropharyngeal Lymph Node Metastases in Head and Neck and Thyroid Cancer with Transoral Robotic Surgery (TORS). Ann Surg Oncol 2022; 29:7881-7890. [PMID: 35842533 DOI: 10.1245/s10434-022-12208-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 07/01/2022] [Indexed: 12/18/2022]
Abstract
Retropharyngeal metastases are encountered in a variety of head and neck malignancies, imposing significant surgical challenges owing to their distinct location and proximity to neurovascular structures. Radiotherapy is the recommended treatment in most cases owing to its oncological efficacy. However, retropharyngeal irradiation affects the superior pharyngeal constrictor muscles and parotid glands, with the potential for long-term dysphagia and xerostomia. A younger oropharyngeal and thyroid cancer patient demographic is trending, fueling interest in treatment de-escalation strategies. Consequently, reducing radiotoxicity and its long-term effects is of special relevance in modern head and neck oncology practice. Through its unique ability to safely extirpate these traditionally difficult-to-access retropharyngeal lymph nodes via a natural orifice, TransOral Robotic Surgery (TORS) can considerably lower the surgical morbidity of retropharyngeal lymph node dissection (RPLND), compared with current existing approaches. This review summarizes the latest developments in the field, exposing current research gaps and discusses specific clinical settings where TORS could enable treatment de-escalation. In early-stage node-negative oropharyngeal cancer, single-modality surgical treatment with TORS RPLND may improve risk stratification of metastasis and recurrence in this region. TORS RPLND is also a potentially viable treatment option in salvage of an isolated retropharyngeal node recurrence or in the primary setting of a thyroid malignancy with a single positive retropharyngeal node. In time, TORS RPLND may provide an alternative de-escalation strategy in these three scenarios. However, with the reported morbidities, further prospective trials with long-term follow-up data are required to prove oncological safety and functional benefits over existing strategies.
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Affiliation(s)
- George Garas
- Head and Neck Unit, Department of Otorhinolaryngology and Head and Neck Surgery, Queen Elizabeth Hospital Birmingham, University Hospitals Birmingham NHS Foundation Trust, Mindelsohn Way, Edgbaston, Birmingham, UK.
| | - Nick J Roland
- Liverpool Head and Neck Centre, Department of Otorhinolaryngology and Head & Neck Surgery, Aintree University Hospital, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
| | - Jeffrey Lancaster
- Liverpool Head and Neck Centre, Department of Otorhinolaryngology and Head & Neck Surgery, Aintree University Hospital, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
| | - Matthew Zammit
- Liverpool Head and Neck Centre, Department of Otorhinolaryngology and Head & Neck Surgery, Aintree University Hospital, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
| | - Victoria A Manon
- Department of Oral and Maxillofacial Surgery, The University of Texas at Houston, Houston, TX, USA
| | - Katharine Davies
- Liverpool Head and Neck Centre, Department of Otorhinolaryngology and Head & Neck Surgery, Aintree University Hospital, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
| | - Terry M Jones
- Liverpool Head and Neck Centre, Department of Otorhinolaryngology and Head & Neck Surgery, Aintree University Hospital, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
| | - Mriganka De
- Head and Neck Unit, Department of Otorhinolaryngology and Head and Neck Surgery, Queen Elizabeth Hospital Birmingham, University Hospitals Birmingham NHS Foundation Trust, Mindelsohn Way, Edgbaston, Birmingham, UK
| | - Floyd C Holsinger
- Department of Otorhinolaryngology and Head and Neck Surgery, Stanford School of Medicine, Stanford, CA, USA
| | - Robin J D Prestwich
- Department of Clinical Oncology, Leeds Cancer Centre, The Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Jason C Fleming
- Liverpool Head and Neck Centre, Department of Otorhinolaryngology and Head & Neck Surgery, Aintree University Hospital, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
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Morand GB, Sultanem K, Mascarella MA, Hier MP, Mlynarek AM. Historical Perspective: How the Discovery of HPV Virus Led to the Utilization of a Robot. FRONTIERS IN ORAL HEALTH 2022; 3:912861. [PMID: 35601819 PMCID: PMC9120614 DOI: 10.3389/froh.2022.912861] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 04/20/2022] [Indexed: 12/14/2022] Open
Abstract
The treatment of oropharyngeal cancer has undergone many paradigms shifts in recent decades. First considered a surgical disease, improvements in radiotherapy led to its popularization in the 1990s. Subsequently, the discovery of the human papillomavirus (HPV) in the pathogenesis of oropharyngeal cancer, as well as the increase in HPV-associated oropharynx cancer incidence, have prompted a reevaluation of its management. Its sensitivity to standard treatment with a favorable prognosis compared to non HPV-associated oropharyngeal cancer led to a focus on minimizing treatment toxicity. Advances in radiation and surgical techniques, including the use of transoral robotic surgery, gave the rationale to ongoing de-escalation clinical trials in HPV-associated oropharynx cancer.
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Affiliation(s)
- Grégoire B. Morand
- Department of Otolaryngology Head and Neck Surgery, Centre Intégré Universitaire de Santé et de Services Sociaux West-Central Montreal-Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Khalil Sultanem
- Department of Radiation Oncology, Centre Intégré Universitaire de Santé et de Services Sociaux West-Central Montreal-Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Marco A. Mascarella
- Department of Otolaryngology Head and Neck Surgery, Centre Intégré Universitaire de Santé et de Services Sociaux West-Central Montreal-Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Michael P. Hier
- Department of Otolaryngology Head and Neck Surgery, Centre Intégré Universitaire de Santé et de Services Sociaux West-Central Montreal-Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Alex M. Mlynarek
- Department of Otolaryngology Head and Neck Surgery, Centre Intégré Universitaire de Santé et de Services Sociaux West-Central Montreal-Jewish General Hospital, McGill University, Montreal, QC, Canada
- *Correspondence: Alex M. Mlynarek
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Witek ME, Woody NM, Musunuru HB, Hill PM, Yadav P, Burr AR, Ko HC, Ross RB, Kimple RJ, Harari PM. Defining high-risk elective contralateral neck radiation volumes for oropharynx cancer. Head Neck 2022; 44:317-324. [PMID: 34761832 PMCID: PMC9723806 DOI: 10.1002/hed.26924] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 09/22/2021] [Accepted: 10/26/2021] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND To define the location of the initial contralateral lymph node (LN) metastasis in patients with oropharynx cancer. METHODS The location of the LN centroids from patients with oropharynx cancer and a single radiographically positive contralateral LN was defined. A clinical target volume (CTV) inclusive of all LN centroids was created, and its impact on dose to organs at risk was assessed. RESULTS We identified 55 patients of which 49/55 had a single contralateral LN in level IIA, 4/55 in level III, 1/55 in level IIB, and 1/55 in the retropharynx. Mean radiation dose to the contralateral parotid gland was 15.1 and 21.0 Gy, (p <0.001) using the modeled high-risk elective CTV and a consensus CTV, respectively. CONCLUSIONS We present a systematic approach for identifying the contralateral nodal regions at highest risk of harboring subclinical disease in patients with oropharynx cancer that warrants prospective clinical study.
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Affiliation(s)
- Matthew E. Witek
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Carbone Cancer Center, Madison, WI,Department of Radiation Oncology, University of Maryland, School of Medicine, MD
| | - Neil M. Woody
- Department of Radiation Oncology, Taussig Cancer Institute, Cleveland Clinic, Cleveland OH, USA
| | - Hima B. Musunuru
- Department of Radiation Oncology, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - Patrick M. Hill
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Carbone Cancer Center, Madison, WI
| | - Poonam Yadav
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Carbone Cancer Center, Madison, WI
| | - Adam R. Burr
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Carbone Cancer Center, Madison, WI
| | - Huaising C. Ko
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Carbone Cancer Center, Madison, WI
| | - Richard B. Ross
- Case Western Reserve University School of Medicine, Cleveland, OH
| | - Randall J. Kimple
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Carbone Cancer Center, Madison, WI
| | - Paul M. Harari
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Carbone Cancer Center, Madison, WI
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Lin CH, Lin CY, Fan KH, Hung SP, Chou YC, Liu CJ, Chou WC, Chen YC, Huang SF, Kang CJ, Chang KP, Wang HM, Cheng AJ, Chang JTC. Efficacy of Postoperative Unilateral Neck Irradiation in Patients with Buccal Mucosa Squamous Carcinoma with Extranodal Extension: A Propensity Score Analysis. Cancers (Basel) 2021; 13:cancers13235997. [PMID: 34885107 PMCID: PMC8656711 DOI: 10.3390/cancers13235997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 11/12/2021] [Accepted: 11/18/2021] [Indexed: 11/16/2022] Open
Abstract
Unilateral radiotherapy (RT) as a postoperative treatment for multiple ipsilateral lymph node (LN) metastases remains controversial. We investigated the efficacy of postoperative unilateral RT for buccal mucosa squamous cell carcinoma (BMSCC) with extranodal extensions (ENEs). We retrospectively reviewed the clinical records of 186 patients with ENE+ BMSCC who received postoperative RT during 1997-2016. Propensity score matching was used to establish comparable cohorts. The endpoints were contralateral nodal control (CLNC), overall survival (OS), disease-free survival (DFS), distant metastasis-free survival (DMFS), local control (LC), and regional control (RC). After matching, 123 patients were selected for analysis; 45 (36.6%) and 78 (63.4%) patients underwent unilateral and bilateral RT, respectively. The median follow-up was 36.27 months. The survival outcomes in the unilateral and bilateral RT groups were similar: 3-year CLNC (85.6% vs. 89.1%, p = 0.748), OS (53.2% vs. 57.4%, p = 0.229), DFS (46.5% vs. 48.6%, p = 0.515), DMFS (70.7% vs. 72.0%, p = 0.499), LC (78.0% vs. 75.6%, p = 0.692), and RC (79.9% vs. 76.2%, p = 0.465). On multivariable Cox regression analysis, unilateral and bilateral RT showed comparable outcomes; the number of ENEs ≥ 4 was the only significant prognostic factor for all clinical outcomes. Using decision tree analysis, we classified our patients to have a low, intermediate, or high risk of contralateral failure based on three factors: number of ENEs, margin status, and tumor stage. In conclusion, postoperative unilateral RT did not worsen outcomes in patients with ENE+ BMSCC in this cohort. The decision tree model may assist physicians in optimizing and tailoring radiation fields.
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Affiliation(s)
- Chia-Hsin Lin
- Department of Radiation Oncology, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan 333, Taiwan; (C.-H.L.); (C.-Y.L.); (K.-H.F.); (S.-P.H.); (Y.-C.C.); (A.-J.C.)
| | - Chien-Yu Lin
- Department of Radiation Oncology, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan 333, Taiwan; (C.-H.L.); (C.-Y.L.); (K.-H.F.); (S.-P.H.); (Y.-C.C.); (A.-J.C.)
| | - Kang-Hsing Fan
- Department of Radiation Oncology, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan 333, Taiwan; (C.-H.L.); (C.-Y.L.); (K.-H.F.); (S.-P.H.); (Y.-C.C.); (A.-J.C.)
| | - Sheng-Ping Hung
- Department of Radiation Oncology, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan 333, Taiwan; (C.-H.L.); (C.-Y.L.); (K.-H.F.); (S.-P.H.); (Y.-C.C.); (A.-J.C.)
| | - Yung-Chih Chou
- Department of Radiation Oncology, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan 333, Taiwan; (C.-H.L.); (C.-Y.L.); (K.-H.F.); (S.-P.H.); (Y.-C.C.); (A.-J.C.)
| | - Chia-Jen Liu
- Division of Hematology and Oncology, Department of Medicine, Taipei Veterans General Hospital, Taipei 112, Taiwan;
- Institute of Public Health, National Yang-Ming University, Taipei 112, Taiwan
| | - Wen-Chi Chou
- Department of Medical Oncology, Chang Gung Memorial Hospital at LinKou, Chang Gung University, Taoyuan 333, Taiwan; (W.-C.C.); (H.-M.W.)
| | - Yen-Chao Chen
- Department of Radiation Oncology, Chang Gung Memorial Hospital-Keelung, Keelung 204, Taiwan;
| | - Shiang-Fu Huang
- Department of Otorhinolaryngology, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan 333, Taiwan; (S.-F.H.); (C.-J.K.); (K.-P.C.)
| | - Chung-Jan Kang
- Department of Otorhinolaryngology, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan 333, Taiwan; (S.-F.H.); (C.-J.K.); (K.-P.C.)
| | - Kai-Ping Chang
- Department of Otorhinolaryngology, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan 333, Taiwan; (S.-F.H.); (C.-J.K.); (K.-P.C.)
| | - Hung-Ming Wang
- Department of Medical Oncology, Chang Gung Memorial Hospital at LinKou, Chang Gung University, Taoyuan 333, Taiwan; (W.-C.C.); (H.-M.W.)
| | - Ann-Joy Cheng
- Department of Radiation Oncology, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan 333, Taiwan; (C.-H.L.); (C.-Y.L.); (K.-H.F.); (S.-P.H.); (Y.-C.C.); (A.-J.C.)
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
| | - Joseph Tung-Chieh Chang
- Department of Radiation Oncology, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan 333, Taiwan; (C.-H.L.); (C.-Y.L.); (K.-H.F.); (S.-P.H.); (Y.-C.C.); (A.-J.C.)
- Correspondence: or ; Tel.: +88-6332812007000
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15
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Chin RI, Schiff JP, Brenneman RJ, Gay HA, Thorstad WL, Lin AJ. A Rational Approach to Unilateral Neck RT for Head and Neck Cancers in the Era of Immunotherapy. Cancers (Basel) 2021; 13:5269. [PMID: 34771432 PMCID: PMC8582444 DOI: 10.3390/cancers13215269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 10/08/2021] [Accepted: 10/14/2021] [Indexed: 11/16/2022] Open
Abstract
Radiotherapy plays an important role in the definitive and adjuvant treatment of head and neck squamous cell carcinoma (HNSCC). However, standard courses of radiation therapy may contribute to the depletion of circulating lymphocytes and potentially attenuate optimal tumor antigen presentation that may be detrimental to the efficacy of novel immunotherapeutic agents. This review explores the advantages of restricting radiation to the primary tumor/tumor bed and ipsilateral elective neck as it pertains to the evolving field of immunotherapy.
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Affiliation(s)
| | | | | | | | | | - Alexander J. Lin
- Department of Radiation Oncology, Washington University School of Medicine, Saint Louis, MI 63110, USA; (R.-I.C.); (J.P.S.); (R.J.B.); (H.A.G.); (W.L.T.)
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16
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Kang BH, Eom KY, Song C, Kim JH, Wu HG, Kim IA, Kim JS. Retropharyngeal lymph node-sparing radiotherapy in patients with oropharyngeal carcinoma. Radiat Oncol J 2021; 39:99-106. [PMID: 34619826 PMCID: PMC8497855 DOI: 10.3857/roj.2021.00381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 05/28/2021] [Indexed: 11/29/2022] Open
Abstract
Purpose In radiotherapy for head and neck cancer, it is crucial to define the appropriate treatment volume to determine treatment outcome and toxicity. We examined the feasibility of omitting elective high retropharyngeal lymph node (RPLN) irradiation in patients with oropharyngeal cancer. Materials and Methods We performed a retrospective review of 189 patients with oropharyngeal squamous cell carcinoma who were treated with definitive or postoperative radiation therapy between 2009 and 2016. Of them, 144 (76.2%) underwent ipsilateral RPLN irradiation up to the superior border of the C1 vertebral body, while the other 45 (23.8%) were irradiated up to the transverse process of the C1 vertebra. High RPLN-treated and spared group were propensity matched based on key clinical variables. Results During the follow-up period, only three patients (one in the high RPLN-treated group and two in the high RPLN-spared group) developed RPLN recurrence. There were no significant between-group differences in 5-year locoregional failure-free survival (82.8% vs. 90.6%; p = 0.14), distant metastasis-free survival (93.1% vs. 93.3%; p = 0.98) and RPLN failure-free survival (99.3% vs. 95.0%; p = 0.09). In the matched groups, high RPLN-spared patients received a lower mean ipsilateral parotid gland dose (mean, 20.8 Gy vs. 29.9 Gy; p < 0.001) and had a lower incidence of chronic xerostomia (grade 0, 43.5% vs. 13.0%; p = 0.023) at 1 year after radiotherapy compared with high RPLN-treated patients. Conclusion Omission of ipsilateral high RPLN irradiation seems safe, and reduces the incidence of chronic xerostomia in patients with oropharyngeal squamous cell carcinoma.
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Affiliation(s)
- Byung-Hee Kang
- Department of Radiation Oncology, Seoul National University College of Medicine, Seoul, Korea
| | - Keun-Yong Eom
- Department of Radiation Oncology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Changhoon Song
- Department of Radiation Oncology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Jin Ho Kim
- Department of Radiation Oncology, Seoul National University College of Medicine, Seoul, Korea
| | - Hong-Gyun Wu
- Department of Radiation Oncology, Seoul National University College of Medicine, Seoul, Korea
| | - In Ah Kim
- Department of Radiation Oncology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Jae-Sung Kim
- Department of Radiation Oncology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
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17
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Dagan R, Galloway TJ. Radiation Treatment Deintensification for HPV-Associated Oropharyngeal Cancer. Semin Radiat Oncol 2021; 31:324-331. [PMID: 34455987 DOI: 10.1016/j.semradonc.2021.02.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Human papillomavirus-associated oropharyngeal cancer (HPV-OPC) is a distinct clinical entity with a favorable prognosis compared with non-HPV-OPC. Surgery and radiotherapy (RT) result in adverse effects, and negative quality of life or functional outcomes, which impact a significant proportion of HPV-OPC survivors. Ongoing studies aim to reduce these negative treatment effects while maintaining high cure rates through deintensified therapy typically use either a primary surgical or RT approach. A single-day curative surgery will remain relevant for many patients with early-stage disease. However, the average patient with HPV-OPC will have indications for adjuvant therapy. A primary RT approach to deintensified therapy has more available data from patients on prospective multi-institutional trials, provides broader patient selection, and may be more cost-effective. Anticipated results from an active phase II/III NCTN trial will help guide the standard of care using primary RT. Next generation trials will help further refine patient selection and/or radical deintensification (30-50 Gy).
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Affiliation(s)
- Roi Dagan
- Department of Radiation Oncology, University of Florida Proton Therapy Institute, Jacksonville, FL.
| | - Thomas J Galloway
- Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA
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18
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Held T, Herpel C, Schwindling FS, Christ L, Lang K, Regnery S, Eichkorn T, Hommertgen A, Jaekel C, Krisam J, Moratin J, Mrosek J, Metzger K, Zaoui K, Moutsis T, Harrabi S, Herfarth K, Freudlsperger C, Rammelsberg P, Debus J, Adeberg S. 3D-printed individualized tooth-borne tissue retraction devices compared to conventional dental splints for head and neck cancer radiotherapy: a randomized controlled trial. Radiat Oncol 2021; 16:75. [PMID: 33865401 PMCID: PMC8052727 DOI: 10.1186/s13014-021-01803-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 04/07/2021] [Indexed: 02/19/2023] Open
Abstract
BACKGROUND Despite modern treatment techniques, radiotherapy (RT) in patients with head and neck cancer (HNC) may be associated with high rates of acute and late treatment-related toxicity. The most effective approach to reduce sequelae after RT is to avoid as best as possible healthy tissues and organs at risk from the radiation target volume. Even small geometric changes can lead to a significant dose reduction in normal tissue and better treatment tolerability. The major objective of the current study is to investigate 3D printed, tooth-borne tissue retraction devices (TRDs) compared to conventional dental splints for head and neck RT. METHODS In the current two-arm randomized controlled phase II trial, a maximum of 34 patients with HNC will be enrolled. Patients will receive either TRDs or conventional dental splints (randomization ratio 1:1) for the RT. The definition of the target volume, modality, total dose, fractionation, and imaging guidance is not study-specific. The primary endpoint of the study is the rate of acute radiation-induced oral mucositis after RT. The quality of life, local control and overall survival 12 months after RT are the secondary endpoints. Also, patient-reported outcomes and dental status, as well as RT plan comparisons and robustness analyzes, will be assessed as exploratory endpoints. Finally, mesenchymal stem cells, derived from the patients' gingiva, will be tested in vitro for regenerative and radioprotective properties. DISCUSSION The preliminary clinical application of TRD showed a high potential for reducing acute and late toxicity of RT in patients with HNC. The current randomized study is the first to prospectively investigate the clinical tolerability and efficacy of TRDs for radiation treatment of head and neck tumors. TRIAL REGISTRATION ClinicalTrials.gov; NCT04454697; July 1st 2020; https://clinicaltrials.gov/ct2/show/record/NCT04454697 .
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Affiliation(s)
- Thomas Held
- Department of Radiation Oncology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany.
- Heidelberg Institute of Radiation Oncology (HIRO), Heidelberg, Germany.
- National Center for Tumor Diseases (NCT), Heidelberg, Germany.
| | - Christopher Herpel
- Department of Prosthetic Dentistry, Heidelberg University Hospital, Heidelberg, Germany
| | | | - Leo Christ
- Department of Radiation Oncology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany
- Heidelberg Institute of Radiation Oncology (HIRO), Heidelberg, Germany
| | - Kristin Lang
- Department of Radiation Oncology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany
- Heidelberg Institute of Radiation Oncology (HIRO), Heidelberg, Germany
- National Center for Tumor Diseases (NCT), Heidelberg, Germany
| | - Sebastian Regnery
- Department of Radiation Oncology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany
- Heidelberg Institute of Radiation Oncology (HIRO), Heidelberg, Germany
- National Center for Tumor Diseases (NCT), Heidelberg, Germany
| | - Tanja Eichkorn
- Department of Radiation Oncology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany
- Heidelberg Institute of Radiation Oncology (HIRO), Heidelberg, Germany
- National Center for Tumor Diseases (NCT), Heidelberg, Germany
| | - Adriane Hommertgen
- Department of Radiation Oncology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany
- Heidelberg Institute of Radiation Oncology (HIRO), Heidelberg, Germany
| | - Cornelia Jaekel
- Department of Radiation Oncology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany
- Heidelberg Institute of Radiation Oncology (HIRO), Heidelberg, Germany
| | - Johannes Krisam
- Institute of Medical Biometry and Informatics (IMBI), Heidelberg University Hospital, Heidelberg, Germany
| | - Julius Moratin
- Department of Oral and Maxillofacial Surgery, University Hospital Heidelberg, Heidelberg, Germany
| | - Jan Mrosek
- Department of Oral and Maxillofacial Surgery, University Hospital Heidelberg, Heidelberg, Germany
| | - Karl Metzger
- Department of Oral and Maxillofacial Surgery, University Hospital Heidelberg, Heidelberg, Germany
| | - Karim Zaoui
- Department of Otorhinolaryngology, University of Heidelberg, Heidelberg, Germany
| | - Tracy Moutsis
- Department of Otorhinolaryngology, University of Heidelberg, Heidelberg, Germany
| | - Semi Harrabi
- Department of Radiation Oncology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany
- Heidelberg Institute of Radiation Oncology (HIRO), Heidelberg, Germany
- National Center for Tumor Diseases (NCT), Heidelberg, Germany
- Clinical Cooperation Unit Radiation Oncology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg Ion-Beam Therapy Center (HIT), Heidelberg, Germany
- German Cancer Consortium (DKTK), partner site Heidelberg, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Klaus Herfarth
- Department of Radiation Oncology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany
- Heidelberg Institute of Radiation Oncology (HIRO), Heidelberg, Germany
- National Center for Tumor Diseases (NCT), Heidelberg, Germany
- Clinical Cooperation Unit Radiation Oncology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg Ion-Beam Therapy Center (HIT), Heidelberg, Germany
- German Cancer Consortium (DKTK), partner site Heidelberg, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Christian Freudlsperger
- Department of Oral and Maxillofacial Surgery, University Hospital Heidelberg, Heidelberg, Germany
| | - Peter Rammelsberg
- Department of Prosthetic Dentistry, Heidelberg University Hospital, Heidelberg, Germany
| | - Jürgen Debus
- Department of Radiation Oncology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany
- Heidelberg Institute of Radiation Oncology (HIRO), Heidelberg, Germany
- National Center for Tumor Diseases (NCT), Heidelberg, Germany
- Clinical Cooperation Unit Radiation Oncology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg Ion-Beam Therapy Center (HIT), Heidelberg, Germany
- German Cancer Consortium (DKTK), partner site Heidelberg, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Sebastian Adeberg
- Department of Radiation Oncology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany
- Heidelberg Institute of Radiation Oncology (HIRO), Heidelberg, Germany
- National Center for Tumor Diseases (NCT), Heidelberg, Germany
- Clinical Cooperation Unit Radiation Oncology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg Ion-Beam Therapy Center (HIT), Heidelberg, Germany
- German Cancer Consortium (DKTK), partner site Heidelberg, German Cancer Research Center (DKFZ), Heidelberg, Germany
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19
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Iqbal MS, Kovarik J, Kelly CG. Response to "Evaluation of purely accelerated six fractions per week radiotherapy in postoperative oral cavity squamous cell carcinoma"-Does it require to irradiate neck in pN0 disease? Asia Pac J Clin Oncol 2021; 17:159. [PMID: 33511772 DOI: 10.1111/ajco.13351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 04/01/2020] [Indexed: 11/30/2022]
Affiliation(s)
- M S Iqbal
- Northern Centre for Cancer Care, The Newcastle upon Tyne Hospitals NHS Foundation Trust
| | - J Kovarik
- Northern Centre for Cancer Care, The Newcastle upon Tyne Hospitals NHS Foundation Trust
| | - C G Kelly
- Northern Centre for Cancer Care, The Newcastle upon Tyne Hospitals NHS Foundation Trust
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20
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Panda S, Thakar A, Kakkar A, Kumar R, Seenu V, Singh CA, Sharma SC. Is the retropharyngeal lymph node the first echelon node for carcinoma tonsil? Prospective evaluation and literature review. Eur Arch Otorhinolaryngol 2021; 278:3995-4004. [PMID: 33417147 DOI: 10.1007/s00405-020-06585-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 12/22/2020] [Indexed: 11/26/2022]
Abstract
PURPOSE Tonsil cancer being predominantly treated by non-surgical means, there is a paucity of data on lymph nodal drainage pathways and histo-pathologically confirmed metastatic rates. This study assesses the retropharyngeal lymph node (RPLN) in N0 squamous cell carcinoma tonsil as a possible first echelon node and a site for occult metastasis. METHODS Prospective study involving treatment naïve N0 carcinoma tonsil treated by primary surgery and adjuvant treatment from June 2017 to March 2019. In-vivo lymph nodal drainage patterns were assessed by sentinel node mapping by preoperative SPECT-CT and intra-operative hand-held Gamma probe. All patients had a subsequent Level I-III/IV sampling neck dissection supplemented with RPLN dissection. Histological evaluation of sentinel nodes and RPLN involved step-serial sectioning and pan-cytokeratin immunohistochemistry. A comprehensive literature review was performed with keywords "retropharyngeal lymph node", "oropharynx", "tonsil", "squamous cell carcinoma" to determine the incidence of RPLN positivity in previously published series. RESULTS Sentinel node was successfully identified by SPECT-CT in all 17 patients (ipsilateral level 2a-13/17, 2b-1/17, 3-1/17; bilateral 2a-1/17; isolated contralateral retropharyngeal node-1/17). 8/17 had occult neck metastasis. In no patient was an ipsilateral RPLN identified as the sentinel node. Histological sampling did not indicate metastatic tumor in the RPLN in any patient (0/17). A systematic literature review further confirmed that RPLN metastasis in oropharyngeal cancer is noted only in the presence of pN + disease at other neck levels, and isolated RPLN metastasis is extremely rare (1.2%). CONCLUSION The ipsilateral RPLN is not identified either as the first echelon node or as a site of occult metastatic disease in N0 tonsil cancer. CTRI REGISTRATION CTRI/2019/06/019551.
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Affiliation(s)
- Smriti Panda
- Department of Otorhinolaryngology and Head and Neck Surgery, All India Institute of Medical Sciences, Teaching Block, 4th Floor, Ansari Nagar East, New Delhi, 110029, India
| | - Alok Thakar
- Department of Otorhinolaryngology and Head and Neck Surgery, All India Institute of Medical Sciences, Teaching Block, 4th Floor, Ansari Nagar East, New Delhi, 110029, India.
| | - Aanchal Kakkar
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Rakesh Kumar
- Department of Nuclear Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - V Seenu
- Department of Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Chirom Amit Singh
- Department of Otorhinolaryngology and Head and Neck Surgery, All India Institute of Medical Sciences, Teaching Block, 4th Floor, Ansari Nagar East, New Delhi, 110029, India
| | - Suresh C Sharma
- Department of Otorhinolaryngology and Head and Neck Surgery, All India Institute of Medical Sciences, Teaching Block, 4th Floor, Ansari Nagar East, New Delhi, 110029, India
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21
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Yang C, Cheng X, Shen P. Silencing of BCSG1 with specific siRNA via nanocarriers for breast cancer treatment. Bull Cancer 2021; 108:323-332. [PMID: 33423781 DOI: 10.1016/j.bulcan.2020.10.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 10/15/2020] [Accepted: 10/29/2020] [Indexed: 01/22/2023]
Abstract
Breast cancer is the most common cancer diagnosed in women worldwide. The current treatments for breast cancer, including surgery, radiotherapy and chemotherapy aim to destroy cancer cells, whereas they also cause damage to normal tissues and cells. Thus, an effective, safe and specific breast cancer treatment is urgently needed. The breast cancer-specific gene 1 (BCSG1) has been shown to be specific for the development of breast cancer and is a target for breast cancer diagnosis and treatment. It is expected to silence the expression of BCSG1 at the gene level for the purpose of treating breast cancer. The effect of RNAi technology on silencing target genes is comparable to gene knockout and has been widely used in animal experiments and plant genetic research. In the field of cancer therapy, numerous investigators have used siRNAs to specifically inhibit target genes, demonstrating that siRNAs can treat cancers at the molecular level. However, the delivery of siRNAs into humans needs to overcome multiple physiological barriers, limiting the clinical applications of siRNAs. This review focuses on the application of BCSG1 gene, siRNAs in cancer treatments, and the nanocarrier delivery system of siRNAs. The potential application and research value of BCSG1-specific siRNA in the treatment of breast cancer are discussed.
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Affiliation(s)
- Chenbo Yang
- Zhengzhou University, School of Basic Medical Sciences, Zhengzhou, Henan Province 450001, China
| | - Xiaoman Cheng
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450001, China
| | - Peihong Shen
- The Cancer Hospital Affiliated of Zhengzhou University, Zhengzhou, Henan Province 450008, China.
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Iyizoba-Ebozue Z, Murray LJ, Ramasamy S, Sen M, Murray P, Cardale K, Dyker K, Prestwich RJD. Radiotherapy for Oropharyngeal Carcinoma With an Uninvolved Contralateral Neck: The Safety of Omission of Contralateral High Level II and Retropharyngeal Lymph Nodes From Elective Target Volumes. Clin Oncol (R Coll Radiol) 2020; 33:331-339. [PMID: 33358282 DOI: 10.1016/j.clon.2020.12.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 11/05/2020] [Accepted: 12/07/2020] [Indexed: 11/26/2022]
Abstract
AIMS To analyse outcomes and patterns of failure in patients with oropharyngeal carcinoma (OPC) treated with definitive volumetric modulated arc therapy with omission of contralateral high level II lymph nodes (HLII) and retropharyngeal lymph nodes (RPLN) in the contralateral uninvolved neck. MATERIALS AND METHODS Patients with OPC treated between January 2016 and July 2019 were retrospectively identified. In the absence of contralateral neck disease, institutional protocols allowed omission of contralateral HLII and contralateral RPLN in the additional absence of ipsilateral RPLN, soft palate/posterior pharyngeal wall primary. RESULTS In total, 238 patients with OPC and an uninvolved contralateral neck received definitive (chemo)radiotherapy with bilateral neck treatment. The median follow-up was 30.6 months. Two-year local control, regional control and overall survival were 91.0, 91.6 and 86.5%, respectively. Contralateral HLII were omitted in 159/238 (66.8%) patients; this included 106 patients in whom the primary tumour was at/crossed the midline. The contralateral RPLN region was omitted from elective target volumes for 175/238 (73.5%); this included 114 patients with a primary tumour at/crossed the midline. The mean contralateral parotid dose when contralateral HLII and RPLN were both omitted was 24.4 Gy, compared with 28.3 Gy without HLII/RPLN omission (P < 0.001). Regional progression occurred in 18/238 (7.6%) patients, all involving the ipsilateral neck with one bilateral. There were no recurrences in the contralateral HLII or RPLN regions. CONCLUSION In patients with OPC and an uninvolved contralateral neck receiving bilateral (chemo)radiotherapy, the omission of contralateral RPLN and HLII from elective target volumes was safe and could lead to reduced contralateral parotid doses.
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Affiliation(s)
| | - L J Murray
- Department of Clinical Oncology, Leeds Cancer Centre, Leeds, UK; Leeds Institute of Medical Research at St James's, University of Leeds, UK
| | - S Ramasamy
- Department of Clinical Oncology, Leeds Cancer Centre, Leeds, UK
| | - M Sen
- Department of Clinical Oncology, Leeds Cancer Centre, Leeds, UK
| | - P Murray
- Department of Clinical Oncology, Leeds Cancer Centre, Leeds, UK
| | - K Cardale
- Department of Clinical Oncology, Leeds Cancer Centre, Leeds, UK
| | - K Dyker
- Department of Clinical Oncology, Leeds Cancer Centre, Leeds, UK
| | - R J D Prestwich
- Department of Clinical Oncology, Leeds Cancer Centre, Leeds, UK.
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Moratin J, Horn D, Metzger K, Ristow O, Flechtenmacher C, Engel M, Hoffmann J, Freier K, Freudlsperger C. Squamous cell carcinoma of the mandible - Patterns of metastasis and disease recurrence in dependence of localization and therapy. J Craniomaxillofac Surg 2020; 48:1158-1163. [PMID: 33199211 DOI: 10.1016/j.jcms.2020.10.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 07/20/2020] [Accepted: 10/25/2020] [Indexed: 11/28/2022] Open
Abstract
INTRODUCTION Oral squamous cell carcinomas exhibit distinct patterns of disease progression, depending on their localisation. This study aimed to evaluate clinicopathological data in patients with tumors of the mandibular alveolar process, to facilitate risk assessment and therapy planning. MATERIALS AND METHODS A retrospective cohort study was designed including patients with squamous cell carcinoma of the mandibular gingiva. Clinical and pathological data were collected to determine the rate of cervical metastases and clinical outcomes depending on tumor stage, localization (anterior, intermediate and posterior) and the extent of tumor resection. RESULTS 120 patients were included in the analysis. Rate of metastases was 42.6%. Tumors of the anterior part of the mandible exhibited significantly higher rates of bilateral metastases (anterior: 85.7%, intermediate: 15.8%, posterior: 4%, p < 0.001) and local recurrence (anterior: 25%, intermediate: 16.3%, posterior: 5.5%, p = 0.03) compared to posterior malignancies. CONCLUSION Tumors of the anterior segment of the mandible are characterized by high rates of metastases and local recurrence. Therefore, we propose radical segmental resection and bilateral neck dissection in those patients.
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Affiliation(s)
- Julius Moratin
- University of Heidelberg, Department of Oral and Cranio-Maxillofacial Surgery (Head of Department: Prof. Dr. Dr. J. Hoffmann), Im Neuenheimer Feld 400, D-69120 Heidelberg, Germany.
| | - Dominik Horn
- Saarland University Hospital, Department of Oral and Cranio-Maxillofacial Surgery (Head of Department: Prof. Dr. Dr. K. Freier), Kirrberger Straße, D-66424 Homburg, Germany
| | - Karl Metzger
- University of Heidelberg, Department of Oral and Cranio-Maxillofacial Surgery (Head of Department: Prof. Dr. Dr. J. Hoffmann), Im Neuenheimer Feld 400, D-69120 Heidelberg, Germany
| | - Oliver Ristow
- University of Heidelberg, Department of Oral and Cranio-Maxillofacial Surgery (Head of Department: Prof. Dr. Dr. J. Hoffmann), Im Neuenheimer Feld 400, D-69120 Heidelberg, Germany
| | - Christa Flechtenmacher
- University of Heidelberg, Institute of Pathology (Head of Department: Prof. Dr. P. Schirmacher), Im Neuenheimer Feld 224, D-69120 Heidelberg, Germany
| | - Michael Engel
- University of Heidelberg, Department of Oral and Cranio-Maxillofacial Surgery (Head of Department: Prof. Dr. Dr. J. Hoffmann), Im Neuenheimer Feld 400, D-69120 Heidelberg, Germany
| | - Jürgen Hoffmann
- University of Heidelberg, Department of Oral and Cranio-Maxillofacial Surgery (Head of Department: Prof. Dr. Dr. J. Hoffmann), Im Neuenheimer Feld 400, D-69120 Heidelberg, Germany
| | - Kolja Freier
- Saarland University Hospital, Department of Oral and Cranio-Maxillofacial Surgery (Head of Department: Prof. Dr. Dr. K. Freier), Kirrberger Straße, D-66424 Homburg, Germany
| | - Christian Freudlsperger
- University of Heidelberg, Department of Oral and Cranio-Maxillofacial Surgery (Head of Department: Prof. Dr. Dr. J. Hoffmann), Im Neuenheimer Feld 400, D-69120 Heidelberg, Germany
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24
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Bahig H, Lambert L, Filion E, Soulières D, Guertin L, Ayad T, Christopoulos A, Bissada E, Alizadeh M, Bélair M, Nguyen-Tan PF. Phase II study of de-intensified intensity-modulated radiotherapy and concurrent carboplatin/5-fluorouracil in lateralized p16-associated oropharyngeal carcinoma. Head Neck 2020; 42:3479-3489. [PMID: 32866313 DOI: 10.1002/hed.26401] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 06/16/2020] [Accepted: 07/14/2020] [Indexed: 11/12/2022] Open
Abstract
PURPOSE To assess cancer control and patient-reported outcomes (PROs) after de-intensified intensity-modulated radiotherapy (IMRT) in lateralized p16-associated oropharyngeal cancer (p16-OPC). METHODS Lateralized p16-OPC treated with radiotherapy and concurrent Carboplatin/5-fluorouracil between 2011 and 2014 were enrolled. De-intensified IMRT consisted in elective neck dose of 43.2 Gy/24 fractions and omission of contralateral retropharyngeal/level IV nodes. PROs were assessed using the EORTC QLC-C30 and QLQ-HN35 scales. RESULTS Twenty-nine patients were included. Median follow-up was 44 months. As per AJCC 7th Ed, 7%, 83% and 10% of patients had stage III, IVa and IVb. 5-year locoregional control and overall survival rates were 100% and 100%, respectively. Rates of acute were 52% and 35%, respectively. At 2 years post-treatment, 50% and 14% of patients had grade 1 xerostomia and dysgueusia, respectively. Most PROs scores returned to baseline within 8 months post-treatment. CONCLUSION De-intensified IMRT was associated with excellent cancer outcomes, and rapid recovery of PROs in lateralized p16-OPC.
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Affiliation(s)
- Houda Bahig
- Radiation Oncology Department, Centre Hospitalier de l'Université de Montréal, Montreal, Québec, Canada
| | - Louise Lambert
- Radiation Oncology Department, Centre Hospitalier de l'Université de Montréal, Montreal, Québec, Canada
| | - Edith Filion
- Radiation Oncology Department, Centre Hospitalier de l'Université de Montréal, Montreal, Québec, Canada
| | - Denis Soulières
- Medical Oncology Department, Centre Hospitalier de l'Université de Montréal, Montreal, Québec, Canada
| | - Louis Guertin
- Otolaryngology Department, Centre Hospitalier de l'Université de Montréal, Montreal, Québec, Canada
| | - Tareck Ayad
- Otolaryngology Department, Centre Hospitalier de l'Université de Montréal, Montreal, Québec, Canada
| | - Apostolos Christopoulos
- Otolaryngology Department, Centre Hospitalier de l'Université de Montréal, Montreal, Québec, Canada
| | - Eric Bissada
- Otolaryngology Department, Centre Hospitalier de l'Université de Montréal, Montreal, Québec, Canada
| | - Moein Alizadeh
- Radiation Oncology Department, Centre Intégré de Cancérologie de la Cité de la Santé à Laval, Montreal, Québec, Canada
| | - Manon Bélair
- Radiology Department, Centre Hospitalier de l'Université de Montréal, Montreal, Québec, Canada
| | - Phuc Felix Nguyen-Tan
- Radiation Oncology Department, Centre Hospitalier de l'Université de Montréal, Montreal, Québec, Canada
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25
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Iqbal MS, Kovarik J, Kelly C. Role of Adjuvant Radiotherapy to the Neck in pN0 Carcinoma of the Oral Cavity. Clin Oncol (R Coll Radiol) 2020; 32:546-547. [PMID: 32327213 DOI: 10.1016/j.clon.2020.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 04/06/2020] [Indexed: 10/24/2022]
Affiliation(s)
- M S Iqbal
- Department of Clinical Oncology, Northern Centre for Cancer Care, The Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK
| | - J Kovarik
- Department of Clinical Oncology, Northern Centre for Cancer Care, The Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK
| | - C Kelly
- Department of Clinical Oncology, Northern Centre for Cancer Care, The Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK
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Luciani T, Wentzel A, Elgohari B, Elhalawani H, Mohamed A, Canahuate G, Vock DM, Fuller CD, Marai GE. A spatial neighborhood methodology for computing and analyzing lymph node carcinoma similarity in precision medicine. J Biomed Inform 2020; 112S:100067. [PMID: 34417010 PMCID: PMC10695270 DOI: 10.1016/j.yjbinx.2020.100067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 11/29/2019] [Accepted: 01/09/2020] [Indexed: 10/25/2022]
Abstract
Precision medicine seeks to tailor therapy to the individual patient, based on statistical correlates from patients who are similar to the one under consideration. These correlates can and should go beyond genetics, and in general, beyond tabular or array data that can be easily represented computationally and compared. For example, in many types of cancer, cancer treatment and toxicity depend in large measure on the spatial disease spread-e.g., metastasizes to regional lymph nodes in head and neck cancer. However, there is currently a lack of methodology for integrating spatial information when considering patient similarity. We present a novel modeling methodology for the comparison of cancer patients within a cohort, based on the spatial spread of the lymph nodes affected in each patient. The method uses a topological map, bigrams, and hierarchical clustering to group patients based on their similarity. We compare this approach against a nonspatial (categorical) similarity approach where patients are binned solely by their affected nodes. We present similarity results on a 582 head and neck cancer patient cohort, along with two visual abstractions for analysis of the results, and we present clinician feedback. Our novel methodology partitions a patient cohort into clinically meaningful groups more susceptible to treatment side-effects. Such spatially-aware similarity approaches can help maximize the effectiveness of each patient's treatment.
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Affiliation(s)
- T Luciani
- Department of Computer Science, University of Illinois at Chicago, United States
| | - A Wentzel
- Department of Computer Science, University of Illinois at Chicago, United States
| | - B Elgohari
- MD Anderson Cancer Center, United States
| | | | - A Mohamed
- MD Anderson Cancer Center, United States
| | - G Canahuate
- Department of Computer Science, University of Iowa, United States
| | - D M Vock
- Department of Biostatistics, University of Minnesota, United States
| | - C D Fuller
- MD Anderson Cancer Center, United States
| | - G E Marai
- Department of Computer Science, University of Illinois at Chicago, United States.
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Retropharyngeal Lymph Node Involvement in Oropharyngeal Carcinoma: Impact upon Risk of Distant Metastases and Survival Outcomes. Cancers (Basel) 2019; 12:cancers12010083. [PMID: 31905773 PMCID: PMC7016660 DOI: 10.3390/cancers12010083] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 12/09/2019] [Accepted: 12/23/2019] [Indexed: 12/28/2022] Open
Abstract
The influence of retropharyngeal lymph node (RPLN) involvement on prognosis in oropharyngeal carcinoma remains poorly defined. The aim of this study was to assess the impact of RPLN involvement upon outcomes. A single-centre retrospective analysis of 402 patients with oropharyngeal carcinoma treated nonsurgically between 2010 and 2017 was performed. All had a baseline 2-[fluorine-18]-fluoro-2-deoxy-d-glucose (FDG) PET-CT and contrast-enhanced MRI and/or CT. RPLN status was determined by radiology review of cases with reported abnormal RPLN. Multivariate backwards logistic regression was used to examine impact on outcomes of factors. Abnormal RPLNs were identified in 40/402 (10%) of patients. Median follow up was 42.9 months. RPLN involvement was associated with inferior 3 year outcomes for overall survival (OS) (67.1% vs. 79.1%, p = 0.006) and distant metastases-free survival (DMFS) (73.9% versus 88.0%, p = 0.011), with no significant difference in local control (81.6% vs. 87.7%, p = 0.154) or regional control (80.7% vs. 85.4%, p = 0.252). On multivariate analysis abnormal RPLN, no concurrent chemotherapy and ongoing smoking were associated with inferior DMFS and OS, while advanced T stage was also associated with inferior OS. In summary, RPLN involvement, present in 10% of patients, was an independent prognostic factor for the development of distant disease failure translating into inferior OS. These findings need confirmation in future studies.
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Gershowitz J, Chao HH, Doucette A, Lukens JN, Swisher-McClure S, Weinstein GS, O'Malley BW, Chalian AA, Rassekh CH, Newman JG, Cohen RB, Bauml JM, Aggarwal C, Lin A. Risk of post-operative, pre-radiotherapy contralateral neck recurrence in patients treated with surgery followed by adjuvant radiotherapy for human papilloma virus-associated tonsil cancer. Br J Radiol 2019; 92:20190466. [PMID: 31600090 DOI: 10.1259/bjr.20190466] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
OBJECTIVE One approach to reduce treatment-related morbidity for human papilloma virus (HPV)-associated tonsil cancer is omitting radiotherapy to the contralateral neck. Pathologic risk factors for early contralateral neck disease, however, are poorly understood. We report on the risk contralateral neck failures from the time of pre-operative diagnostic imaging to time of planning for adjuvant radiation in a single institution series of HPV-associated tonsillar cancer patients undergoing surgery followed by radiotherapy (RT). METHODS Retrospective analysis of 123 patients with T1-T3 HPV-positive tonsillar squamous cell carcinoma treated between 2010 and 2016 with transoral robotic surgery and selective ipsilateral neck dissection followed by adjuvant RT. Contralateral neck recurrence was classified as the detection of a pathologic node in the contralateral neck prior to initiation of adjuvant RT. RESULTS Seven patients (5.7%) developed contralateral neck disease/failure between the time of pre-operative diagnostic neck imaging and time of planning of adjuvant radiation. Increased ratio of positive/resected nodes [odds ratio (OR) 1.073, p = 0.005] was significantly associated with increased risk of contralateral neck recurrence, with a trend found for close/positive margins (OR 5.355, p = 0.06), tumor size (OR 2.046, p = 0.09), and total number of nodes positive (OR 1.179, p = 0.062). CONCLUSIONS Patients who develop very early contralateral neck disease, between completion of ipsilateral neck dissection and the initiation of radiotherapy, have a higher ratio of positive nodes to total nodes resected in the ipsilateral neck. These findings suggest that proper selection of patients for omission of treatment of the contralateral, node-negative neck should be made with this in mind, with future studies needed to document the impact on toxicity and disease outcomes from such an approach. ADVANCES IN KNOWLEDGE Pathologic risk factors in the dissected, ipsilateral neck in patients with tonsil cancer may inform the risk of contralateral neck failure. Patient selection for future, prospective efforts to examine sparing of the contralateral neck need to be based with these risk factors in mind.
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Affiliation(s)
- Jared Gershowitz
- Department of Radiation Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Hann-Hsiang Chao
- Department of Radiation Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Abigail Doucette
- Department of Radiation Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - John N Lukens
- Department of Radiation Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Samuel Swisher-McClure
- Department of Radiation Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Gregory S Weinstein
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Bert W O'Malley
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Ara A Chalian
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Christopher H Rassekh
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Jason G Newman
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Roger B Cohen
- Department of Internal Medicine, Division of Medical Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Joshua M Bauml
- Department of Internal Medicine, Division of Medical Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Charu Aggarwal
- Department of Internal Medicine, Division of Medical Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Alexander Lin
- Department of Radiation Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
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Maskell D, Buckley H, Sisson K, Roques T, Geropantas D. In reply to McDowell et al. Head Neck 2019; 41:3470-3471. [DOI: 10.1002/hed.25847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 06/14/2019] [Indexed: 11/10/2022] Open
Affiliation(s)
- David Maskell
- Department of OncologyNorfolk and Norwich University Hospitals, NHS Foundation Trust
| | - Hannah Buckley
- Department of OncologyNorfolk and Norwich University Hospitals, NHS Foundation Trust
| | - Katherine Sisson
- Department of HistopathologyNorfolk and Norwich University Hospital, NHS Foundation Trust
| | - Tom Roques
- Department of OncologyNorfolk and Norwich University Hospitals, NHS Foundation Trust
| | - Dinos Geropantas
- Department of OncologyNorfolk and Norwich University Hospitals, NHS Foundation Trust
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Jackson RS, Chen S, Last A, Khan A, Kallogjeri D, Van Abel KM, Moore EJ, Pipkorn P. Multi-institutional analysis of outcomes following transoral surgery for HPV-positive oropharyngeal squamous cell carcinoma in elderly patients. Head Neck 2019; 41:3933-3939. [PMID: 31460691 DOI: 10.1002/hed.25946] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 07/12/2019] [Accepted: 08/15/2019] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND The incidence of human papillomavirus (HPV)-related oropharyngeal squamous cell carcinoma (OPSCC) is rising, even in elderly patients. The outcomes of transoral surgery (TOS) in this population are not entirely known. METHODS A retrospective review was performed at two institutions from October 2003 to September 2016 on patients 70 years or older with HPV-related OPSCC treated with TOS. RESULTS A total of 75 patients were included with a mean age of 74 years (70-87 years). At a median follow-up of 35.7 months, 3-year overall survival was 81.5% and disease-specific survival was 94.3%. Advanced cT stage (odds ratio, 2.74; 95% confidence interval, 1.13-6.64) negatively impacted OS. Conjunctive consolidation was performed to create a staging system with patients older than 80 years, severe comorbidity, and cT3-4 having worse survival. CONCLUSIONS Elderly patients with HPV-related OPSCC treated with TOS have excellent survival and therefore should not be excluded from such therapy based on age alone.
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Affiliation(s)
- Ryan S Jackson
- Department of Otolaryngology-Head and Neck Surgery, Washington University School of Medicine, St. Louis, Missouri
| | - Stephanie Chen
- Department of Otolaryngology-Head and Neck Surgery, Washington University School of Medicine, St. Louis, Missouri
| | - Aisling Last
- Washington University School of Medicine, St. Louis, Missouri
| | - Amish Khan
- Washington University School of Medicine, St. Louis, Missouri
| | - Dorina Kallogjeri
- Department of Otolaryngology-Head and Neck Surgery, Washington University School of Medicine, St. Louis, Missouri
| | | | - Eric J Moore
- Department of Otorhinolaryngology, Mayo Clinic, Rochester, Minnesota
| | - Patrik Pipkorn
- Department of Otolaryngology-Head and Neck Surgery, Washington University School of Medicine, St. Louis, Missouri
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Iyizoba-Ebozue Z, Murray LJ, Arunsingh M, Vaidyanathan S, Scarsbrook AF, Prestwich RJD. Incidence and patterns of retropharyngeal lymph node involvement in oropharyngeal carcinoma. Radiother Oncol 2019; 142:92-99. [PMID: 31431388 DOI: 10.1016/j.radonc.2019.07.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 06/27/2019] [Accepted: 07/17/2019] [Indexed: 11/20/2022]
Abstract
INTRODUCTION The aim was to evaluate in oropharyngeal carcinoma the: (1) incidence and predictors of retropharyngeal (RP) lymph node (LN) involvement, (2) pattern of ipsilateral/bilateral/contralateral-only RP LNs (3) location of RP LNs in relation to contouring guidelines. METHODS Single centre retrospective analysis of 402 patients with oropharyngeal carcinoma treated non-surgically between 2010 and 2017. All patients had a baseline FDG PET-CT and contrast-enhanced MRI and/or CT. All cases with reported abnormal RP LNs underwent radiology review. RESULTS Abnormal RP LNs were identified in 40/402 (10%) of patients. On multivariate analysis, RP LN involvement was associated with posterior pharyngeal wall/soft palate primaries (OR 10.13 (95% CI 2.29-19.08), p = 0.002) and contralateral cervical LN involvement (OR 2.26 (95% CI 1.05-4.86), p = 0.036). T stage, largest LN size, levels of ipsilateral LN level involvement, HPV and smoking status did not predict risk. 5/402 (1.2%) patients had bilateral RP involvement. 3/402 patients (0.7%) had contralateral-only RP LNs. All patients with contralateral RP LNs had contralateral neck nodes or primary cancers extending across midline. In 5/40 (12.5%) cases with involved RP LNs, the RP LNs were superior to hard palate/upper edge of body of C1 vertebra. CONCLUSIONS RP LNs were identified in 10% of oropharyngeal carcinoma patients, and were associated with contralateral neck disease and/or posterior pharyngeal wall/soft palate primary. Contralateral RP LN involvement was rare and associated with contralateral neck disease and/or primary crossing midline, suggesting potential for omission from target volumes for selected patients. Involvement of RP LNs close to the skull base highlights the need for generous elective outlining.
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Affiliation(s)
| | - Louise J Murray
- Department of Clinical Oncology, Leeds Cancer Centre, UK; Leeds Institute of Medical Research at St James's, University of Leeds, UK
| | | | | | - Andrew F Scarsbrook
- Leeds Institute of Medical Research at St James's, University of Leeds, UK; Department of Nuclear Medicine and Radiology, Leeds Cancer Centre, UK
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Alterio D, Marvaso G, Ferrari A, Volpe S, Orecchia R, Jereczek-Fossa BA. Modern radiotherapy for head and neck cancer. Semin Oncol 2019; 46:233-245. [PMID: 31378376 DOI: 10.1053/j.seminoncol.2019.07.002] [Citation(s) in RCA: 120] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 07/15/2019] [Indexed: 02/07/2023]
Abstract
Radiation therapy (RT) plays a key role in curative-intent treatments for head and neck cancers. Its use is indicated as a sole therapy in early stage tumors or in combination with surgery or concurrent chemotherapy in advanced stages. Recent technologic advances have resulted in both improved oncologic results and expansion of the indications for RT in clinical practice. Despite this, RT administered to the head and neck region is still burdened by a high rate of acute and late side effects. Moreover, about 50% of patients with high-risk disease experience loco-regional recurrence within 3 years of follow-up. Therefore, in recent decades, efforts have been dedicated to optimize the cost/benefit ratio of RT in this subset of patients. The aim of the present review was to highlight modern concepts of RT for head and neck cancers considering both the technological advances that have been achieved and recent knowledge that has informed the biological interaction between radiation and both tumor and healthy tissues.
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Affiliation(s)
- Daniela Alterio
- Division of Radiotherapy, IEO European Institute of Oncology, IRCCS, Milan, Italy
| | - Giulia Marvaso
- Division of Radiotherapy, IEO European Institute of Oncology, IRCCS, Milan, Italy.
| | - Annamaria Ferrari
- Division of Radiotherapy, IEO European Institute of Oncology, IRCCS, Milan, Italy
| | - Stefania Volpe
- Department of Oncology and Hemato-oncology, University of Milan, Milan, Italy
| | | | - Barbara Alicja Jereczek-Fossa
- Division of Radiotherapy, IEO European Institute of Oncology, IRCCS, Milan, Italy; Department of Oncology and Hemato-oncology, University of Milan, Milan, Italy
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Moratin J, Metzger K, Engel M, Hoffmann J, Freudlsperger C, Freier K, Horn D. The occurrence of cervical metastases in squamous cell carcinoma of the tongue: Is there a rationale for bilateral neck dissection in early-stage tumors? J Craniomaxillofac Surg 2019; 47:1134-1138. [DOI: 10.1016/j.jcms.2019.03.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 02/05/2019] [Accepted: 03/04/2019] [Indexed: 10/27/2022] Open
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Contreras JA, Spencer C, DeWees T, Haughey B, Henke LE, Chin RI, Paniello R, Rich J, Jackson R, Oppelt P, Pipkorn P, Zevallos J, Chernock R, Nussenbaum B, Daly M, Gay H, Adkins D, Thorstad W. Eliminating Postoperative Radiation to the Pathologically Node-Negative Neck: Long-Term Results of a Prospective Phase II Study. J Clin Oncol 2019; 37:2548-2555. [PMID: 31246526 DOI: 10.1200/jco.19.00186] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE The volume treated with postoperative radiation therapy (PORT) is a mediator of toxicity, and reduced volumes result in improved quality of life (QOL). In this phase II trial, treatment volumes were reduced by omitting PORT to the pathologically negative (PN0) neck in patients with primary head and neck squamous cell carcinoma. METHODS Patients with head and neck squamous cell carcinoma who underwent surgical resection and neck dissection with a PN0 neck and high-risk features mandating PORT to the primary and/or involved neck were eligible. The primary end point was greater than 90% disease control in the unirradiated neck. QOL was evaluated using the MD Anderson Dysphagia Inventory and the University of Michigan patient-reported xerostomia questionnaire. RESULTS Seventy-three patients were enrolled, and 72 were evaluable. Median age was 56 years (range, 31 to 81 years); 58 patients were male, and 47 (65%) had a smoking history. Sites included oral cavity (n = 14), oropharynx (n = 37), hypopharynx (n = 4), larynx (n = 16), and unknown primary tumor (n = 1). According to the American Joint Committee on Cancer Staging Manual (7th edition), 67 patients (93%) had stage III/IV disease, and 71% of tumors involved or crossed midline. No patient had contralateral neck PORT. In 17 patients (24%), only the primary site was treated. At a median follow-up of 53 months, two patients experienced treatment failure of the PN0 unirradiated neck; they also experienced treatment failure locally. Unirradiated neck control was 97% (95% CI, 93.4% to 100.0%). Five-year rates of local control, regional control, progression-free survival, and overall survival were 84%, 93%, 60%, and 64%, respectively. QOL measures were not significantly different from baseline at 12 and 24 months post-PORT (P > .05). CONCLUSION Eliminating PORT to the PN0 neck resulted in excellent control rates in the unirradiated neck without long-term adverse effects on global QOL.
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Affiliation(s)
| | | | | | - Bruce Haughey
- Advent Health Celebration, Celebration; Morsani College of Medicine, Tampa, FL.,University of Auckland Faculty of Medicine and Health Sciences, Auckland, New Zealand
| | | | | | | | | | | | | | | | | | | | - Brian Nussenbaum
- American Board of Otolaryngology-Head and Neck Surgery, Houston, TX
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35
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Ramasamy S, Murray L, Cardale K, Dyker K, Murray P, Sen M, Prestwich R. Quality Assurance Peer Review of Head and Neck Contours in a Large Cancer Centre via a Weekly Meeting Approach. Clin Oncol (R Coll Radiol) 2019; 31:344-351. [DOI: 10.1016/j.clon.2019.03.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 02/01/2019] [Accepted: 02/04/2019] [Indexed: 10/27/2022]
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36
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Maskell D, Buckley H, Sission K, Roques T, Geropantas K. Ipsilateral neck radiotherapy in N2b well‐lateralized tonsil cancer – Approach with caution. Head Neck 2019; 41:2937-2946. [DOI: 10.1002/hed.25776] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 03/26/2019] [Accepted: 04/02/2019] [Indexed: 12/16/2022] Open
Affiliation(s)
- David Maskell
- Department of OncologyNorfolk and Norwich University Hospital Foundation Trust Norfolk UK
| | - Hannah Buckley
- Department of OncologyNorfolk and Norwich University Hospital Foundation Trust Norfolk UK
| | - Katherine Sission
- Department of HistopathologyNorfolk and Norwich University Hospital Foundation Trust Norfolk UK
| | - Tom Roques
- Department of OncologyNorfolk and Norwich University Hospital Foundation Trust Norfolk UK
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37
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Abstract
Oropharyngeal carcinoma associated with the human papillomavirus is increasing in incidence and represents a unique head and neck disease with favorable treatment outcomes. This review evaluates the evolving role of radiotherapy in regional management with an overall goal of treatment de-escalation in the appropriate patient. Determining the optimal approach and selection factors for treatment de-escalation is under active investigation. Response to induction chemotherapy, refining adverse pathologic factors after a primary surgical approach, decreasing radiation dose with or without chemotherapy in the definitive or adjuvant settings as well as more selective nodal level irradiation all are current strategies for treatment de-escalation. This review details the likely changes in regional radiotherapy management for oropharyngeal carcinoma in the modern human papillomavirus era and discusses future approaches to patient selection with the goal of reducing toxicities while maintaining function preservation and quality of life in group of patients who are younger and healthier than traditional head and neck cancer patients.
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Affiliation(s)
- Moses Tam
- Department of Radiation Oncology, New York University Langone Health, New York, NY.
| | - Kenneth Hu
- Department of Radiation Oncology, New York University Langone Health, New York, NY
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38
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Amdur RJ. Throwing Down the Gauntlet Regarding Lowering the Elective Nodal Irradiation Dose in HPV-Associated Oropharyngeal Cancer. Pract Radiat Oncol 2019; 9:63-64. [DOI: 10.1016/j.prro.2018.10.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 10/29/2018] [Indexed: 10/27/2022]
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Charters EK, Bogaardt H, Freeman-Sanderson AL, Ballard KJ. Systematic review and meta-analysis of the impact of dosimetry to dysphagia and aspiration related structures. Head Neck 2019; 41:1984-1998. [PMID: 30680831 DOI: 10.1002/hed.25631] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 10/21/2018] [Accepted: 12/14/2018] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND Technological advances in radiotherapy have allowed investigations into new methods to spare healthy tissue in those treated for head and neck cancer. This systematic review with meta-analysis demonstrates the effect that radiation has on swallowing. METHODS Selection and analysis of studies examining the effect of radiation to swallowing structures. A fixed effects meta-analysis calculated the pooled proportions for select outcomes of dysphagia, common across many studies. RESULTS The majority of the papers found a correlation between radiation dose to the swallowing structures and dysphagia, however a meta-analysis found the studies carried a significant degree of heterogeneity. The appraisal demonstrates the need for large-scale studies using a randomized design and instrumental dysphagia assessments. CONCLUSIONS Radiation dose to dysphagia and aspiration structures is correlated with incidence of dysphagia and aspiration. The variables in this population contribute to the heterogeneity within and cross studies and future studies should consider controlling for this.
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Affiliation(s)
| | - Hans Bogaardt
- Faculty of Health Sciences, The University of Sydney, Sydney, Australia
| | | | - Kirrie J Ballard
- Faculty of Health Sciences, The University of Sydney, Sydney, Australia
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40
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Lin TA, Garden AS, Elhalawani H, Elgohari B, Jethanandani A, Ng SP, Mohamed AS, Frank SJ, Glisson BS, Debnam JM, Sturgis EM, Phan J, Reddy JP, Fuller CD, Morrison WH, Skinner HD, Rosenthal DI, Gunn GB. Radiographic retropharyngeal lymph node involvement in HPV-associated oropharyngeal carcinoma: Patterns of involvement and impact on patient outcomes. Cancer 2019; 125:1536-1546. [PMID: 30620385 DOI: 10.1002/cncr.31944] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 10/17/2018] [Accepted: 10/18/2018] [Indexed: 11/07/2022]
Abstract
BACKGROUND The objective of the current study was to characterize the incidence, pattern, and impact on oncologic outcomes of retropharyngeal lymph node (RPLN) involvement in HPV-associated oropharyngeal cancer (OPC). METHODS Data regarding patients with HPV-associated OPC who were treated at The University of Texas MD Anderson Cancer Center with intensity-modulated radiotherapy from 2004 through 2013 were analyzed retrospectively. RPLN status was determined by reviewing pretreatment imaging and/or reports. Outcomes analysis was restricted to patients with lymph node-positive (+) disease. Kaplan-Meier survival estimates were generated and survival curves were compared using the log-rank test. Bayesian information criterion assessed model performance changes with the addition of RPLN status to current American Joint Committee on Cancer staging. Competing risk analysis compared modes of disease recurrence. RESULTS The incidence of radiographic RPLN involvement was 9% (73 of 796 patients) and was found to vary by primary tumor site. The 5-year rates of freedom from distant metastases (FDM) and overall survival were lower in patients with RPLN(+) status compared with those with RPLN-negative (-) status (84% vs 93% [P = .0327] and 74% vs 87% [P = .0078], respectively). RPLN(+) status was not found to be associated with outcomes on multivariate analysis. Bayesian information criterion analysis demonstrated that current American Joint Committee on Cancer staging was not improved with the inclusion of RPLN. Locoregional and distant disease recurrence probabilities for those patients with RPLN(+) status were 8% and 13%, respectively, compared with 10% and 6%, respectively, for those with RPLN(-) status. RPLN(+) status portended worse 5-year FDM in the low-risk subgroup (smoking history of <10 pack-years) and among patients who received concurrent chemotherapy but not induction chemotherapy. CONCLUSIONS RPLN(+) status was associated with worse overall survival and FDM on univariate but not multivariate analysis. In subgroup analyses, RPLN(+) status was associated with poorer FDM in both patients with a smoking history of <10 pack-years and those who received concurrent chemotherapy, suggesting that RPLN(+) status could be considered an exclusion criteria in treatment deintensification efforts seeking to omit chemotherapy.
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Affiliation(s)
- Timothy A Lin
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Baylor College of Medicine, Houston, Texas
| | - Adam S Garden
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Hesham Elhalawani
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Baher Elgohari
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Amit Jethanandani
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Sweet P Ng
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Abdallah S Mohamed
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Department of Clinical Oncology and Nuclear Medicine, Faculty of Medicine, University of Alexandria, Alexandria, Egypt
| | - Steven J Frank
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Bonnie S Glisson
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - J Matthew Debnam
- Department of Diagnostic Radiology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Erich M Sturgis
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Jack Phan
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Jay P Reddy
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Clifton D Fuller
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - William H Morrison
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Heath D Skinner
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - David I Rosenthal
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - G Brandon Gunn
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
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41
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Nagatsuka M, Hughes RT, Shenker RF, Frizzell BA, Greven KM. Omitting Elective Irradiation of the Contralateral Retropharyngeal Nodes in Oropharyngeal Squamous Cell Carcinoma Treated with Intensity-modulated Radiotherapy. Cureus 2019; 11:e3825. [PMID: 30868038 PMCID: PMC6402860 DOI: 10.7759/cureus.3825] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Introduction: The use of intensity-modulated radiation therapy (IMRT) in head and neck cancers has allowed for selective sparing of low-risk or uninvolved lymph nodes. In oropharyngeal cancers, the benefits and risks of omitting contralateral retropharyngeal lymph nodes (RPLN) remain uncertain. This study examines the outcomes of elective coverage of contralateral RPLN in oropharyngeal cancer treated with definitive IMRT. Methods: We analyzed 54 patients with newly diagnosed unilateral tonsil or base of tongue squamous cell carcinoma with at most unilateral neck involvement (cN0-N2b) and no RPLN involvement. These patients had no prior head and neck irradiation and were treated with definitive radiotherapy or chemoradiotherapy between 2012 and 2017. Cumulative incidences of local/regional/distant failure were estimated using competing risks methodology, and overall survival (OS) was estimated using the Kaplan-Meier method. Results: All patients received elective nodal coverage to the ipsilateral RPLN, and 38 (62%) patients did not receive elective treatment of the contralateral RPLN. There were no significant differences in baseline characteristics. There were no contralateral RPLN failures observed. When comparing patients who received contralateral RP treatment with those who did not, there were no significant differences in two-year local failure (23% vs. 9%, p = 0.09), regional failure (18% vs. 4%, p = 0.12), or distant failure (15% vs. 9%, p = 0.62). Two-year OS was 89%. Mean parotid dose was not significantly lower after sparing vs. treating the contralateral RPLN (median 25.6 vs. 32.7 Gy, p = 0.15). Conclusions: The omission of contralateral RPLN irradiation in tonsil or tongue base carcinomas with unilateral neck involvement is safe without compromising disease control.
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Affiliation(s)
- Moeko Nagatsuka
- Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, USA
| | - Ryan T Hughes
- Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, USA
| | - Rachel F Shenker
- Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, USA
| | - Bart A Frizzell
- Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, USA
| | - Kathryn M Greven
- Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, USA
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42
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Pipkorn P, Sinha P, Kallogjeri D, Adkins D, Thorstad WT, Rich JT, Jackson RS. Outcomes of relapsed human papillomavirus‐related oropharyngeal squamous cell carcinoma treated with curative intent. Head Neck 2018; 41:1312-1319. [DOI: 10.1002/hed.25557] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 08/20/2018] [Accepted: 11/14/2018] [Indexed: 12/12/2022] Open
Affiliation(s)
- Patrik Pipkorn
- Department of Otolaryngology‐Head and Neck SurgeryWashington University Saint Louis Missouri
| | - Parul Sinha
- Department of Otolaryngology‐Head and Neck SurgeryWashington University Saint Louis Missouri
| | - Dorina Kallogjeri
- Department of Otolaryngology‐Head and Neck SurgeryWashington University Saint Louis Missouri
| | - Douglas Adkins
- Division of Medical OncologyWashington University Saint Louis Missouri
| | - Wade T. Thorstad
- Department of Radiation OncologyWashington University Saint Louis Missouri
| | - Jason T. Rich
- Department of Otolaryngology‐Head and Neck SurgeryWashington University Saint Louis Missouri
| | - Ryan S. Jackson
- Department of Otolaryngology‐Head and Neck SurgeryWashington University Saint Louis Missouri
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43
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Tsai CJ, McBride SM, Riaz N, Lee NY. Reducing the Radiation Therapy Dose Prescription for Elective Treatment Areas in Human Papillomavirus-Associated Oropharyngeal Carcinoma Being Treated With Primary Chemoradiotherapy at Memorial Sloan Kettering Cancer Center. Pract Radiat Oncol 2018; 9:98-101. [PMID: 30445229 DOI: 10.1016/j.prro.2018.10.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 10/17/2018] [Accepted: 10/29/2018] [Indexed: 11/17/2022]
Abstract
Data on the biology and radiosensitivity of human papillomavirus-related cancers have led many expert radiation oncologists to decrease the radiation dose to target areas in selected situations. At Memorial Sloan Kettering Cancer Center, we have altered our radiation guidelines to allow substantial dose reduction to elective treatment regions and to omit radiation completely in other regions that have historically been included in the elective treatment volume. Here we summarize our current dose prescriptions and briefly explain the rationale behind these choices, which we anticipate will change when additional data mature. These recommendations are based on the American Joint Committee on Cancer seventh edition TNM Staging System and applicable only to patients who receive concurrent platinum-based chemotherapy and in whom both p16 immunohistochemistry and human papillomavirus RNA in situ hybridization tests are positive.
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Affiliation(s)
- C Jillian Tsai
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Sean M McBride
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Nadeem Riaz
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Nancy Y Lee
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York.
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44
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Sinha P, Haughey BH, Kallogjeri D, Jackson RS. Long‐term analysis of transorally resected p16 + Oropharynx cancer: Outcomes and prognostic factors. Laryngoscope 2018; 129:1141-1149. [DOI: 10.1002/lary.27472] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Parul Sinha
- Department of Otolaryngology–Head and Neck SurgeryWashington University School of Medicine St. Louis Missouri U.S.A
| | - Bruce H. Haughey
- Department of Head and Neck SurgeryFlorida Hospital Celebration Health, Celebration Florida U.S.A
- Department of SurgeryUniversity of Auckland Faculty of Medicine and Health Sciences Auckland New Zealand
| | - Dorina Kallogjeri
- Department of Otolaryngology–Head and Neck SurgeryWashington University School of Medicine St. Louis Missouri U.S.A
| | - Ryan S. Jackson
- Department of Otolaryngology–Head and Neck SurgeryWashington University School of Medicine St. Louis Missouri U.S.A
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45
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Prevalence, prognosis, and treatment implications of retropharyngeal nodes in unknown primary head and neck carcinoma. Oral Oncol 2018; 82:162-167. [DOI: 10.1016/j.oraloncology.2018.05.023] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Revised: 05/01/2018] [Accepted: 05/25/2018] [Indexed: 12/24/2022]
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46
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Chhabra A, Schneider C, Chowdhary M, Diwanji TP, Mohindra P, Mishra MV. How Histopathologic Tumor Extent and Patterns of Recurrence Data Inform the Development of Radiation Therapy Treatment Volumes in Solid Malignancies. Semin Radiat Oncol 2018; 28:218-237. [PMID: 29933882 DOI: 10.1016/j.semradonc.2018.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The ability to deliver highly conformal radiation therapy using intensity-modulated radiation therapy and particle therapy provides for new opportunities to improve patient outcomes by reducing treatment-related morbidities following radiation therapy. By reducing the volume of normal tissue exposed to radiation therapy (RT), while also allowing for the opportunity to escalate the dose of RT delivered to the tumor, use of conformal RT delivery should also provide the possibility of expanding the therapeutic index of radiotherapy. However, the ability to safely and confidently deliver conformal RT is largely dependent on our ability to clearly define the clinical target volume for radiation therapy, which requires an in-depth knowledge of histopathologic extent of different tumor types, as well as patterns of recurrence data. In this article, we provide a comprehensive review of the histopathologic and radiographic data that provide the basis for evidence-based guidelines for clinical tumor volume delineation.
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Affiliation(s)
- Arpit Chhabra
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
| | - Craig Schneider
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
| | - Mudit Chowdhary
- Department of Radiation Oncology, Rush University, Chicago, IL
| | - Tejan P Diwanji
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
| | - Pranshu Mohindra
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
| | - Mark V Mishra
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD.
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47
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Loganadane G, Kelly JR, Lee NC, Kann BH, Mahajan A, Hansen JE, Belkacémi Y, Yarbrough W, Husain ZA. Incidence of radiographically occult nodal metastases in HPV+ oropharyngeal carcinoma: Implications for reducing elective nodal coverage. Pract Radiat Oncol 2018; 8:397-403. [PMID: 29730282 DOI: 10.1016/j.prro.2018.03.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 03/13/2018] [Accepted: 03/20/2018] [Indexed: 11/18/2022]
Abstract
PURPOSE Initial deescalation studies for human papilloma virus (HPV)-positive driven oropharyngeal squamous cell carcinomas (HPV+ OPSCC) altered radiation therapy dose or the systemic agent used. Newer trials examine the disease control achieved with a reduced elective nodal field. We examined patterns of nodal involvement in patients with HPV+ OPSCC with a focus on implications for radiation field design for treatment deescalation. METHODS AND MATERIALS Records of patients with HPV+ OPSCC with preoperative imaging (computed tomography or fludeoxyglucose positron emission tomography/computed tomography) who underwent neck dissection without neoadjuvant therapy from 2010 to 2017 were retrospectively reviewed. The number and location of clinically positive lymph nodes on preoperative imaging were compared with those documented on pathology. These data were then used to establish the probability of missing nodal disease in 3 modified radiation field designs. RESULTS One hundred patients were included. The median time between imaging and surgery was 22 days. The most common clinical N stage was cN2a (35%), whereas the most common pathologic N stage was pN2b (45%). The median number of radiographically and pathologically involved nodes was 1 (range, 0-6) and 2 (range, 0-11), respectively. Forty-three percent of patients had more pathologically involved nodes than predicted on imaging, whereas 21% had pathologic involvement at an additional nodal level not predicted on imaging. Of the 21 patients with additional pathologically involved nodal levels, 14 had involvement of a directly adjacent station, 4 were patients with a cN0 hemineck with pathologically positive level II disease, and 3 had pathologic involvement of level 2 echelons removed from that predicted on imaging. CONCLUSION Our study suggests that radiation fields encompassing only clinically involved nodes or levels has an unacceptably high likelihood of missing subclinical disease. Alternatively, treating the first uninvolved echelon nodes in addition would cover pathologic sites of disease in 97% of patients. This approach merits further study in prospective trials.
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Affiliation(s)
- Gokoulakrichenane Loganadane
- Department of Therapeutic Radiology, Yale School of Medicine, New Haven, Connecticut; APHP, University of Paris-Est Créteil, Department of Radiation Oncology, Créteil, France
| | - Jacqueline R Kelly
- Department of Therapeutic Radiology, Yale School of Medicine, New Haven, Connecticut
| | | | - Benjamin H Kann
- Department of Therapeutic Radiology, Yale School of Medicine, New Haven, Connecticut
| | - Amit Mahajan
- Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, Connecticut
| | - James E Hansen
- Department of Therapeutic Radiology, Yale School of Medicine, New Haven, Connecticut
| | - Yazid Belkacémi
- APHP, University of Paris-Est Créteil, Department of Radiation Oncology, Créteil, France
| | - Wendell Yarbrough
- Division of Otolaryngology, Department of Surgery, Yale School of Medicine, New Haven, Connecticut
| | - Zain A Husain
- Department of Therapeutic Radiology, Yale School of Medicine, New Haven, Connecticut
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48
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Mirghani H, Blanchard P. Treatment de-escalation for HPV-driven oropharyngeal cancer: Where do we stand? Clin Transl Radiat Oncol 2018; 8:4-11. [PMID: 29594236 PMCID: PMC5862680 DOI: 10.1016/j.ctro.2017.10.005] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 10/28/2017] [Accepted: 10/29/2017] [Indexed: 01/30/2023] Open
Abstract
HPV-driven oropharyngeal cancers have significantly better survival rates than tobacco and alcohol induced head and neck cancers. As HPV-positive patients are younger, healthier and far more likely to survive their disease, long-term treatment side effects are becoming a major issue. This has led the scientific and medical community to reassess the current treatment protocols in order to develop less toxic strategies while maintaining good oncological outcomes. In this article, we discuss the ongoing treatment de-escalation trials and highlight the issues raised by these studies.
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Affiliation(s)
- Haitham Mirghani
- Department of Head and Neck Oncology, Gustave Roussy Cancer Campus, 114 Rue Edouard Vaillant, Villejuif, France
| | - Pierre Blanchard
- Department of Radiation Oncology, Gustave Roussy Cancer Campus, 114 Rue Edouard Vaillant, Villejuif, France
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49
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Leeman JE, Li JG, Pei X, Venigalla P, Zumsteg ZS, Katsoulakis E, Lupovitch E, McBride SM, Tsai CJ, Boyle JO, Roman BR, Morris LGT, Dunn LA, Sherman EJ, Lee NY, Riaz N. Patterns of Treatment Failure and Postrecurrence Outcomes Among Patients With Locally Advanced Head and Neck Squamous Cell Carcinoma After Chemoradiotherapy Using Modern Radiation Techniques. JAMA Oncol 2017; 3:1487-1494. [PMID: 28542679 DOI: 10.1001/jamaoncol.2017.0973] [Citation(s) in RCA: 137] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Importance Even though 15% to 50% of patients with head and neck squamous cell carcinoma (HNSCC) experience recurrence, relatively little is known regarding patterns of treatment failure and postrecurrence outcomes after chemoradiotherapy using modern radiation techniques (intensity-modulated radiotherapy [IMRT]). Recurrence patterns are significantly affected by variations in the quality of radiotherapy, which may confound findings from multicenter trials. Objective To assess patterns of treatment failure and postrecurrence outcomes for patients with HNSCC treated with contemporary radiotherapy techniques. Design, Setting, and Participants This large single-institution cohort study reviewed the outcomes of 1000 consecutive patients with stage III to IVB oropharyngeal carcinoma (n = 703), laryngeal carcinoma (n = 126), or hypopharyngeal carcinoma (n = 46) treated with definitive IMRT with or without concurrent chemotherapy, as well as patients with oral cavity carcinoma (n = 125) treated with postoperative IMRT with or without concurrent systemic therapy, from December 1, 2001, to December 31, 2013, with a median follow-up of 65.1 months among surviving patients. Data analysis was performed from January 31, 2016, to February 17, 2017. Main Outcomes and Measures Patterns of treatment failure and overall survival following locoregional failure or distant metastasis. Results Among the 1000 patients (186 women and 814 men; mean [SD] age, 59.3 [10.8] years), there were no marginal or isolated out-of-radiation-field failures. Among subsites, the cumulative incidence of local failure was highest among patients with oral cavity carcinoma vs those with oropharyngeal carcinoma (hazard ratio, 5.2; 95% CI, 3.1-8.6; P < .001). Furthermore, patients with oral cavity carcinoma experienced significantly shorter survival following distant metastasis (hazard ratio, 3.66; 95% CI, 1.98-6.80; P < .001). Patients with oropharyngeal carcinoma positive for human papillomavirus or p16 lived longer after locoregional failure compared with patents with oropharyngeal carcinoma negative for human papillomavirus or p16 (median survival, 36.5 vs 13.6 months; P = .007) but not after distant metastasis. Salvage surgery was associated with improved overall survival following locoregional failure (hazard ratio, 0.51; 95% CI, 0.34-0.77; P = .001); oligometastatic disease (1 vs ≥2 lesions: hazard ratio, 0.32; 95% CI, 0.16-0.63; P = .001) was associated with improved overall survival following distant metastasis. Conclusions and Relevance Overall survival after recurrence of HNSCC is influenced by the HNSCC subsite and human papillomavirus or p16 status, as well surgical and systemic interventions. An oligometastatic phenotype characterizes patients with solitary metastasis after chemoradiotherapy. These findings have important implications for clinical trial designs for HNSCC in the recurrent and oligometastatic setting.
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Affiliation(s)
- Jonathan E Leeman
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Jin-Gao Li
- Department of Radiation Oncology, Jiangxi Cancer Hospital, Nanchang, China
| | - Xin Pei
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Praveen Venigalla
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Zachary S Zumsteg
- Department of Radiation Oncology, Cedars-Sinai Medical Center, Los Angeles, California
| | - Evangelia Katsoulakis
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Eitan Lupovitch
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Sean M McBride
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Chiaojung J Tsai
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Jay O Boyle
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Benjamin R Roman
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Luc G T Morris
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Lara A Dunn
- Department of Medical Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Eric J Sherman
- Department of Medical Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Nancy Y Lee
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Nadeem Riaz
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
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Sozio S, Rivera-Núñez Z, Mahmoud O, Kim S. Safety of differential radiation dosing in lymph node positive necks treated with IMRT. Pract Radiat Oncol 2017; 8:20-24. [PMID: 28919248 DOI: 10.1016/j.prro.2017.07.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 07/11/2017] [Accepted: 07/13/2017] [Indexed: 11/20/2022]
Abstract
PURPOSE When treating head and neck squamous cell carcinoma (HNSCC) with intensity modulated radiation therapy (IMRT), it is common to use several dose levels for a lymph node positive neck: full dose (66-70 Gy) to gross cancer, intermediate dose (59-63 Gy) to higher risk neck regions, and standard dose (50-54 Gy) to lower risk neck regions. There is no consensus regarding how much of the neck should receive intermediate versus standard dose, however. METHODS AND MATERIALS HNSCC patients treated with IMRT were identified from 2 academic medical centers between 2004 and 2016. Intermediate dose was restricted to a region of the neck 2 cm above and below the most superior and inferior involved lymph nodes; standard dose was delivered to more distal neck regions. Descriptive statistics were calculated for demographics and clinical characteristics as well as proportions for failures 2 years after treatment. Failure outside the intermediate dose region was determined by calculating confidence intervals from a modification of the Poisson distribution. RESULTS Of the 57 necks included in this study, 17.5% experienced disease recurrence in the neck within 2 years of completing treatment. All failures were within the 2-cm margin above or below the most superior and inferior involved nodes; there were no failures outside this 2-cm margin (95% confidence interval, 0-7.7). CONCLUSIONS The results of this study support the feasibility of treating only the neck adjacent to gross neck disease to an intermediate dose, and treating the remainder of the neck to a lower, standard dose. Although these results are encouraging, additional study of this treatment paradigm is warranted.
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Affiliation(s)
- Stephen Sozio
- Rutgers Cancer Institute of New Jersey, Department of Radiation Oncology, New Brunswick, New Jersey
| | - Zorimar Rivera-Núñez
- Rutgers Cancer Institute of New Jersey, Department of Radiation Oncology, New Brunswick, New Jersey
| | - Omar Mahmoud
- Rutgers Cancer Institute of New Jersey, Department of Radiation Oncology, New Brunswick, New Jersey
| | - Sung Kim
- Rutgers Cancer Institute of New Jersey, Department of Radiation Oncology, New Brunswick, New Jersey.
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