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Patel AM, Haleem A, Choudhry HS, Brant JA, Brody RM, Carey RM. Surgical Resection Improves Overall Survival in cT4b Major Salivary Gland Cancer. Otolaryngol Head Neck Surg 2024; 170:1349-1363. [PMID: 38426575 DOI: 10.1002/ohn.686] [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: 11/05/2023] [Revised: 01/09/2024] [Accepted: 01/21/2024] [Indexed: 03/02/2024]
Abstract
OBJECTIVE To compare surgical and nonsurgical definitive treatment in cT4b major salivary gland cancer (MSGC). STUDY DESIGN Retrospective cohort study. SETTING The 2004 to 2019 National Cancer Database. METHODS The NCDB was queried for patients with cT4b MSGC (N = 976). Patients undergoing definitive treatment with (1) surgical resection + adjuvant therapy, (2) radiotherapy (RT) alone, or (3) chemoradiotherapy (CRT) were included in Kaplan-Meier and Cox survival analyses. RESULTS Of 219 patients undergoing definitive treatment, 148 (67.6%) underwent surgical resection + adjuvant therapy and 71 (32.4%) underwent RT or CRT. There were no documented mortalities within 90 days of surgical resection. Tumor diameter and nodal metastasis were associated with decreased odds of undergoing definitive treatment (P < 0.025). Patients with positive surgical margins (PSM) had higher 5-year overall survival (OS) than those undergoing definitive RT or CRT (48.5% vs 30.1%, P = 0.018) and similar 5-year OS as those with negative margins (48.5% vs 54.0%, P = 0.205). Surgical resection + adjuvant therapy (adjusted hazard ratio: 0.55, 95% confidence interval [CI]: 0.37-0.84) was associated with higher OS than definitive RT or CRT (P < 0.025). A separate cohort of 961 patients with cT4a tumors undergoing surgical resection + adjuvant therapy was created; cT4a and cT4b (hazard ratio: 1.02, 95% CI: 0.80-1.29, P = 0.896) tumors had similar OS. CONCLUSION A minority of patients with cT4b MSGC undergo definitive treatment. Surgical resection + adjuvant therapy was safe and associated with higher OS than definitive RT or CRT, despite high rate of PSM. In the absence of clinical trial data, appropriately selected patients with cT4b MSGC may benefit from surgical resection.
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Affiliation(s)
- Aman M Patel
- Department of Otolaryngology-Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, New Jersey, USA
| | - Afash Haleem
- Department of Otolaryngology-Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, New Jersey, USA
| | - Hassaam S Choudhry
- Department of Otolaryngology-Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, New Jersey, USA
| | - Jason A Brant
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Department of Otolaryngology-Head and Neck Surgery, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, Pennsylvania, USA
| | - Robert M Brody
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Department of Otolaryngology-Head and Neck Surgery, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, Pennsylvania, USA
| | - Ryan M Carey
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Department of Otolaryngology-Head and Neck Surgery, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, Pennsylvania, USA
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Patel AM, Haleem A, Choudhry HS, Brody RM, Brant JA, Carey RM. Elective Neck Dissection in cT1-4 N0M0 Head and Neck Basaloid Carcinoma. Otolaryngol Head Neck Surg 2024. [PMID: 38613196 DOI: 10.1002/ohn.757] [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: 11/20/2023] [Revised: 02/21/2024] [Accepted: 03/15/2024] [Indexed: 04/14/2024]
Abstract
OBJECTIVE To investigate the survival benefit of elective neck dissection (END) over neck observation in surgically resected cT1-4 N0M0 head and neck basaloid carcinoma (HNBC). STUDY DESIGN Retrospective cohort study. SETTING The 2006 to 2017 hospital-based National Cancer Database. METHODS Patients with surgically resected cT1-4 N0M0 HNBC were selected. Linear, binary logistic, Kaplan-Meier, and Cox proportional hazards regression models were implemented. RESULTS Of 857 patients satisfying inclusion criteria, the majority were male (77.0%) and white (88.1%) with disease of the oral cavity (21.5%) or oropharynx (42.9%) classified as high grade (76.9%) and cT1-2 (72.9%). 389 (45.4%) patients underwent END. END utilization between 2006 and 2017 increased for cT1-2 disease (33.3% vs 56.9%, R2 = .699) but remained relatively constant for cT3-4 disease (66.7% vs 57.9%, R2 = .062). One-hundred and fifteen (29.6%) ENDs detected occult nodal metastases (ONMs). The 5-year overall survival (OS) of patients undergoing neck observation and END was 65.6% and 66.8%, respectively (P = .652). END was not associated with improved OS in survival analyses stratified by patient demographics, clinicopathologic features, and adjuvant therapy. Compared with surgery alone, adjuvant radiotherapy (adjusted hazard ratio: 0.74, 95% confidence interval [CI]: 0.57-0.97, P = .031) was associated with improved OS. END (hazard ratio [HR]: 0.96, 95% CI: 0.71-1.28, P = .770) and ONM (HR: 1.12, 95% CI: 0.78-1.61, P = .551) were not associated with OS. CONCLUSION END is performed in nearly half of patients with HNBC but is not associated with improved OS, even after stratifying survival analyses by patient demographics, clinicopathologic features, and adjuvant therapy. The rate of ONM approaching 30%, however, justifies inclusion of END in the surgical management of HNBC.
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Affiliation(s)
- Aman M Patel
- Department of Otolaryngology-Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, New Jersey, USA
| | - Afash Haleem
- Department of Otolaryngology-Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, New Jersey, USA
| | - Hassaam S Choudhry
- Department of Otolaryngology-Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, New Jersey, USA
| | - Robert M Brody
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Department of Otolaryngology, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, Pennsylvania, USA
| | - Jason A Brant
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Department of Otolaryngology, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, Pennsylvania, USA
| | - Ryan M Carey
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Department of Otolaryngology, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, Pennsylvania, USA
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Patel AM, Haleem A, Maxwell R, Lukens JN, Lin A, Brody RM, Brant JA, Carey RM. Choice of Adjuvant Radiotherapy Facility in Major Salivary Gland Cancer. Laryngoscope 2024. [PMID: 38400788 DOI: 10.1002/lary.31352] [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: 12/04/2023] [Revised: 01/16/2024] [Accepted: 02/05/2024] [Indexed: 02/26/2024]
Abstract
OBJECTIVE Undergoing surgery and adjuvant radiotherapy (aRT) at the same facility has been associated with higher overall survival (OS) in head and neck squamous cell carcinoma. Our study investigates whether undergoing surgery and aRT at the same academic facility is associated with higher OS in major salivary gland cancer (MSGC). METHODS The 2006-2018 National Cancer Database was queried for patients with MSGC undergoing surgery at an academic facility and then aRT. Multivariable binary logistic and Cox proportional hazards regression models were implemented. RESULTS Of 2801 patients satisfying inclusion criteria, 2130 (76.0%) underwent surgery and aRT at the same academic facility. Residence in a less populated area (adjusted odds ratio [aOR] 1.69, 95% confidence interval [CI] 1.16-2.45), treatment without adjuvant chemotherapy (aOR 1.97, 95% CI 1.41-2.76), and aRT duration (aOR 1.02, 95% CI 1.01-1.04) were associated with undergoing surgery and aRT at different facilities on multivariable logistic regression adjusting for patient demographics, clinicopathologic features, and adjuvant therapy (p < 0.01). Five-year OS was higher in patients undergoing surgery and aRT at the same academic facility (68.8% vs. 61.9%, p < 0.001). Undergoing surgery and aRT at different facilities remained associated with worse OS on multivariable Cox regression (aHR 1.41, 95% CI 1.10-1.81, p = 0.007). CONCLUSION Undergoing surgery and aRT at the same academic facility is associated with higher OS in MSGC. Although undergoing surgery and aRT at the same academic facility is impractical for all patients, academic physicians should consider same-facility treatment for complex patients who would most benefit from clear multidisciplinary communication. LEVEL OF EVIDENCE 4 Laryngoscope, 2024.
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Affiliation(s)
- Aman M Patel
- Department of Otolaryngology, Rutgers New Jersey Medical School, Newark, New Jersey, U.S.A
| | - Afash Haleem
- Department of Otolaryngology, Rutgers New Jersey Medical School, Newark, New Jersey, U.S.A
| | - Russell Maxwell
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, Pennsylvania, U.S.A
| | - John N Lukens
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, Pennsylvania, U.S.A
| | - Alexander Lin
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, Pennsylvania, U.S.A
| | - Robert M Brody
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, U.S.A
- Department of Otolaryngology, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, Pennsylvania, U.S.A
| | - Jason A Brant
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, U.S.A
- Department of Otolaryngology, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, Pennsylvania, U.S.A
| | - Ryan M Carey
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, U.S.A
- Department of Otolaryngology, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, Pennsylvania, U.S.A
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Utility of Multimodal Treatment Protocols in the Management of Scalp Cutaneous Angiosarcoma. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2023; 11:e4827. [PMID: 36875926 PMCID: PMC9984161 DOI: 10.1097/gox.0000000000004827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Accepted: 01/05/2023] [Indexed: 03/06/2023]
Abstract
Cutaneous angiosarcomas are rare, aggressive tumors with high recurrence and poor prognosis. We share our experiences with the challenging surgical management of these lesions, focusing on both ablative and reconstructive outcomes. Methods Retrospective cross-sectional chart review was conducted of patients diagnosed with scalp cutaneous angiosarcoma between 2005 and 2021. Resectability, defect reconstruction, and survival outcomes were analyzed. Results Thirty patients were included, 27 (90%) men and three (10%) women, with a mean age at diagnosis of 71.77 ± 7.3 years, and mean follow-up of 429.43 ± 305.6 days. Only 12 patients completed their regular follow-up, while the remaining patients died. There was a median survival of 443.50 days (range, 42-1283) and median time to recurrence of 21 days (range, 30-1690). Multimodal therapy compared with surgery alone had a significantly better overall median survival (468 days versus 71 days; P = 0.021). Defect coverage was obtained in 24 cases (75%) through an anterolateral thigh flap, two patients (6%) with a local transposition flap, and one patient (3%) with a transverse rectus abdominis myocutaneous flap. The remaining three patients received a skin graft. All of the flaps survived, with one requiring a vein graft for venous congestion. Conclusions Timely multimodal therapy with a histologically safe margin, combined with adjuvant therapy, improves survival and delays recurrence and metastasis, in cutaneous angiosarcoma patients. An anterolateral thigh flap facilitates the coverage of wide defects. Further investigations of advanced treatment modalities such as immunotherapy and/or gene therapy are required to deal with this highly aggressive tumor.
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Wreesmann VB, Oomen KP, Brennan PA. Angiosarcomas of the head and neck: Impact of large data analysis on clinical management. J Oral Pathol Med 2022; 51:904-910. [PMID: 36066314 DOI: 10.1111/jop.13354] [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: 06/13/2022] [Revised: 08/11/2022] [Accepted: 08/17/2022] [Indexed: 11/28/2022]
Abstract
Angiosarcoma is a rare but often fatal malignancy from blood and lymphatic vessels that can arise anywhere in the body and often affects the head and neck region. Although its dismal prognosis is predominantly explained by its aggressive biology, several secondary factors contribute to poor outcomes. These include a phenotypic resemblance to innocuous blood vessel lesions, which contributes to a significant degree of late diagnosis. Another important factor is the rarity of angiosarcoma, which has impaired scientific determination of its optimal treatment significantly. As a result, treatment of angiosarcomas has largely been guided by information derived from the study of sarcomas at large, themselves a highly heterogeneous group of mesenchymal cancers both from a diagnostic as well as therapeutical perspective. The Digital Revolution and resultant Information Age promise to focus the clinical management of rare cancers from a generic to a more customized approach. In this paper, we review the current understanding of head and neck angiosarcomas within the context of this process.
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Affiliation(s)
- Volkert B Wreesmann
- Hospital Nostra Senyora de Meritxell, Carrer dels Escalls, Escaldes-Engordany, Andorra.,Department of Otolaryngology-Head and Neck Surgery, Oxford University Hospitals, Oxford, United Kingdom.,Clinica Omega Zeta Andorra, Carrer de Fener 11-13, Andorra la Vella, Andorra
| | - Karin P Oomen
- Clinica Omega Zeta Andorra, Carrer de Fener 11-13, Andorra la Vella, Andorra
| | - Peter A Brennan
- Department of Oral and Maxillofacial Surgery, Portsmouth Hospitals University NHS Trust, Portsmouth, United Kingdom
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Bi Y, Ge L, Ren X, Pang J, Zhao Y, Liang Z. Tumor microenvironment and its clinicopathological and prognostic associations in surgically resected cutaneous angiosarcoma. Clin Transl Oncol 2022; 24:941-949. [PMID: 35064455 DOI: 10.1007/s12094-021-02744-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 11/29/2021] [Indexed: 11/26/2022]
Abstract
PURPOSE Cutaneous angiosarcoma (CAS) is a rare but typically aggressive malignant vascular neoplasm of the skin. Tumor microenvironment (TME) of CAS and its associations with baseline clinicopathological features and patient outcomes are very important, especially when considering the recent advances in understanding of the tumor biology. METHODS/PATIENTS We retrospectively reviewed medical records of patients who underwent surgical resection for CAS at a tertiary Hospital. The pretreated specimens were evaluated by immunohistochemistry for programmed cell death protein 1 (PD-1) and its ligand (PD-L1), densities of tumor infiltrative lymphocytes (TILs) (CD3+, CD4+, CD8+, CD45RO+, FoxP3+), as well as c-MYC and Ki-67 expressions. Overall survival (OS) was estimated by Kaplan-Meier method and compared with Log-rank test. RESULTS A total of 21 CAS patients were identified. Median age was 67 (ranges: 20-81) years, 14 (66.7%) were male, and over 50% had lesions of scalp. Histopathological examination showed a predominantly spindle cell type (57.1%). All patients underwent surgery, 16 (76.2%) were treated further. PD-L1 was positively stained (> 1%) in tumor cells (42.9%) and TILs (23.8%). PD-1 expression (> 1%) was identified in TILs of 11 (52.4%) cases. PD-1/PD-L1 expressions were significantly associated with the higher densities of CD3+, CD4+, CD8+, CD45RO+, and Foxp3+ TILs, but not with patient characteristics or c-MYC or Ki-67 expression. Median OS was 18.5 months (95% CI 6.0-35.9), although no prognostic significance was observed with respect to any clinicopathological features. CONCLUSION We characterized TME and its clinical and prognostic association in CAS. PD-1/PD-L1 expressions were significantly associated with TILs subtypes but not with OS.
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Affiliation(s)
- Y Bi
- Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujing, Dongcheng District, Beijing, 100730, China
- Department of Dermatology, Beijing Tsinghua Changgung Hospital, School of Medicine, Tsinghua University, No. 168 Litang Road, Changping District, Beijing, 102218, China
| | - L Ge
- Department of Pathology, Weifang People's Hospital, Weifang, 261041, China
| | - X Ren
- Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujing, Dongcheng District, Beijing, 100730, China
| | - J Pang
- Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujing, Dongcheng District, Beijing, 100730, China
| | - Y Zhao
- Department of Dermatology, Beijing Tsinghua Changgung Hospital, School of Medicine, Tsinghua University, No. 168 Litang Road, Changping District, Beijing, 102218, China.
| | - Z Liang
- Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujing, Dongcheng District, Beijing, 100730, China.
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Le Roy C, Le Péchoux C, Alapetite C, Bahleda R, Ngo C, Honoré C, Faron M, Le Cesne A, Mir O, Haie-Meder C, Chargari C, Levy A. Inoperable scalp cutaneous angiosarcoma: Complete response after definitive external beam radiation therapy - brachytherapy association. Oral Oncol 2022; 125:105715. [PMID: 35030408 DOI: 10.1016/j.oraloncology.2022.105715] [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: 01/04/2022] [Accepted: 01/06/2022] [Indexed: 11/26/2022]
Abstract
Effective treatments are scarce in non-operable scalp cutaneous angiosarcoma patients. Curative-intent definitive sequential IMRT and plesiobrachytherapy allowed complete response with limited side effect in two elder patients. This could represent a non-invasive therapeutic option for patients with locally advanced presentation.
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Affiliation(s)
- Charlotte Le Roy
- Department of Radiation Oncology, Gustave Roussy, F-94805 Villejuif, France
| | - Cécile Le Péchoux
- Department of Radiation Oncology, Gustave Roussy, F-94805 Villejuif, France
| | - Claire Alapetite
- Radiation Oncology Department, and Proton Center Institut Curie, Paris-Orsay, France
| | - Ratislav Bahleda
- Drug Development Department (DITEP), Gustave Roussy, F-94805 Villejuif, France
| | - Carine Ngo
- Department of Pathology, Gustave Roussy, F-94805 Villejuif, France
| | - Charles Honoré
- Department of Surgery, Gustave Roussy, F-94805 Villejuif, France
| | - Matthieu Faron
- Department of Surgery, Gustave Roussy, F-94805 Villejuif, France
| | - Axel Le Cesne
- Department of Medicine, Gustave Roussy, F-94805 Villejuif, France
| | - Olivier Mir
- Department of Medicine, Gustave Roussy, F-94805 Villejuif, France
| | | | - Cyrus Chargari
- Department of Radiation Oncology, Gustave Roussy, F-94805 Villejuif, France; Institut de Recherche Biomédicale des Armées, Brétigny sur Orge, France; Université Paris-Saclay, Faculté de Médecine, 94270 Le Kremlin-Bicêtre, France
| | - Antonin Levy
- Department of Radiation Oncology, Gustave Roussy, F-94805 Villejuif, France; Université Paris-Saclay, Faculté de Médecine, 94270 Le Kremlin-Bicêtre, France; Université Paris-Saclay, INSERM U1030, Molecular Radiotherapy, F-94805 Villejuif, France.
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Abstract
Cutaneous sarcomas represent a rare group of tumors presenting in the head and neck. In this article, we discuss specific sarcoma tumor types and their presentation, pathogenesis, histologic findings, and management recommendations. Tumors to be reviewed include dermatofibrosarcoma protuberans, atypical fibroxanthoma, pleomorphic dermal sarcoma, cutaneous leiomyosarcoma, and angiosarcoma.
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Affiliation(s)
- Brittny N Tillman
- Department of Otolaryngology-Head and Neck Surgery, University of Texas Southwestern Medical School, 2001 Inwood Road, Dallas, TX 75390-8868, USA.
| | - Jeffrey C Liu
- Department of Otolaryngology-Head and Neck Surgery, Lewis Katz School of Medicine at Temple University, Fox Chase Cancer Center, 3440 North Broad Street, Philadelphia, PA 19140, USA
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Ren S, Wang Y, Wang Z, Shao J, Ye Z. Survival predictors of metastatic angiosarcomas: a surveillance, epidemiology, and end results program population-based retrospective study. BMC Cancer 2020; 20:778. [PMID: 32811474 PMCID: PMC7437028 DOI: 10.1186/s12885-020-07300-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 08/13/2020] [Indexed: 12/23/2022] Open
Abstract
Background Angiosarcomas (AS) have poor prognosis and often metastasize to distant sites. The potential predictors of metastatic angiosarcomas (MAS) have not been extensively investigated. The main objective of this study was to identify survival predictors of MAS. Methods Surveillance, Epidemiology, and End Results (SEER) datasets were used to identify patients with MAS from 2010 to 2016. Risk predictors were determined with the aid of Kaplan-Meier and Cox regression model analyses. Results A total of 284 MAS patients met the study entry criteria. Among these, 121 patients (42.6%) were diagnosed with metastasis in bone, 26 in brain (9.2%), 86 in liver (30.3%) and 171 in lung (60.2%). Overall, 96 patients (33.8%) had two or more metastatic sites. The 1- and 3-year overall survival (OS) rates were 20.8 and 3.8% while 1- and 3-year cancer-specific survival (CSS) rates were 22.0 and 5.2%, respectively. Cox regression analysis revealed chemotherapy, radiation treatment (RT) and tumor size ≤10 cm as independent favorable predictors of OS. In terms of CSS, tumor grade IV, tumor size > 10 cm and absence of chemotherapy were independent adverse predictors. Surgery did not prolong survival outcomes (both OS and CSS) in the current cohort. Conclusion MAS is associated with extremely poor survival. Chemotherapy, RT, and tumor size are independent predictors of OS. Chemotherapy and tumor size are independent prognostic factors of CSS. Chemotherapy is therefore recommended as the preferred treatment option for MAS patients.
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Affiliation(s)
- Shihong Ren
- Department of Orthopaedics, Centre for Orthopaedic Research, Orthopedics Research Institute of Zhejiang University, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, Zhejiang, 310000, P.R. China.,Department of Orthopedics, The First People's Hospital of Wenling, No. 333, Chuanannan Road, Chengxi Street, Wenling, 317500, P.R. China
| | - Yucheng Wang
- Hebei North University, Zhangjiakou, 075000, P.R. China
| | - Zhan Wang
- Department of Orthopaedics, Centre for Orthopaedic Research, Orthopedics Research Institute of Zhejiang University, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, Zhejiang, 310000, P.R. China
| | - Jinxiang Shao
- Department of Orthopedics, The First People's Hospital of Wenling, No. 333, Chuanannan Road, Chengxi Street, Wenling, 317500, P.R. China.
| | - Zhaoming Ye
- Department of Orthopaedics, Centre for Orthopaedic Research, Orthopedics Research Institute of Zhejiang University, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, Zhejiang, 310000, P.R. China.
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