1
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Ogata Y, Hatta W, Koike T, Takahashi S, Matsuhashi T, Iwai W, Asonuma S, Okata H, Ohyauchi M, Ito H, Abe Y, Sasaki Y, Kawamura M, Saito M, Uno K, Fujishima F, Nakamura T, Nakaya N, Iijima K, Masamune A. Is blue light imaging without magnification satisfactory as screening for esophageal squamous cell carcinoma? Post-hoc analysis of multicenter randomized controlled trial. Dig Endosc 2024. [PMID: 38494659 DOI: 10.1111/den.14788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 02/18/2024] [Indexed: 03/19/2024]
Abstract
OBJECTIVES Narrow light observation is currently recommended as an alternative to Lugol chromoendoscopy (LCE) to detect esophageal squamous cell carcinoma (ESCC). Studies revealed little difference in sensitivity between the two modalities in expert settings; however, these included small numbers of cases. We aimed to determine whether blue light imaging (BLI) without magnification is satisfactory for preventing misses of ESCC. METHODS This was a post-hoc analysis of a multicenter randomized controlled trial targeting patients at high risk of ESCC in expert settings. In this study, BLI without magnification followed by LCE was performed. The evaluation parameters included: (i) the diagnostic abilities of ESCC; (ii) the endoscopic characteristics of lesions with diagnostic differences between the two modalities; and (iii) the color difference between cancerous and noncancerous areas in BLI and LCE. RESULTS This study identified ESCC in 49 of 699 cases. Of these cases, nine (18.4%) were missed by BLI but detected by LCE. In per-patient analysis, the sensitivity of BLI was lower than that of LCE following BLI (83.7% vs. 100.0%; P = 0.013), whereas the specificity and accuracy of BLI were higher (88.2% vs. 81.2%; P < 0.001 and 87.8% vs. 82.5%; P < 0.001, respectively). No significant endoscopic characteristics were identified, but the color difference was lower in BLI than in LCE (21.4 vs. 25.1; P = 0.003). CONCLUSION LCE following BLI outperformed BLI in terms of sensitivity in patients with high-risk ESCC. Therefore, LCE, in addition to BLI, would still be required in screening esophagogastroduodenoscopy even by expert endoscopists.
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Affiliation(s)
- Yohei Ogata
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Miyagi, Japan
| | - Waku Hatta
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Miyagi, Japan
| | - Tomoyuki Koike
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Miyagi, Japan
| | - So Takahashi
- Department of Gastroenterology and Neurology, Akita University Graduate School of Medicine, Akita, Japan
| | - Tamotsu Matsuhashi
- Department of Gastroenterology and Neurology, Akita University Graduate School of Medicine, Akita, Japan
| | - Wataru Iwai
- Department of Gastroenterology, Miyagi Cancer Center, Miyagi, Japan
| | - Sho Asonuma
- Department of Gastroenterology, South Miyagi Medical Center, Miyagi, Japan
| | - Hideki Okata
- Department of Gastroenterology, South Miyagi Medical Center, Miyagi, Japan
| | - Motoki Ohyauchi
- Department of Gastroenterology, Osaki Citizen Hospital, Miyagi, Japan
| | - Hirotaka Ito
- Department of Gastroenterology, Osaki Citizen Hospital, Miyagi, Japan
| | - Yasuhiko Abe
- Department of Gastroenterology, Faculty of Medicine, Yamagata University, Yamagata, Japan
| | - Yu Sasaki
- Department of Gastroenterology, Faculty of Medicine, Yamagata University, Yamagata, Japan
| | - Masashi Kawamura
- Department of Gastroenterology, Sendai City Hospital, Miyagi, Japan
| | - Masahiro Saito
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Miyagi, Japan
| | - Kaname Uno
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Miyagi, Japan
| | | | | | - Naoki Nakaya
- Department of Preventive Medicine and Epidemiology, Tohoku Medical Megabank Organization, Tohoku University, Miyagi, Japan
| | - Katsunori Iijima
- Department of Gastroenterology and Neurology, Akita University Graduate School of Medicine, Akita, Japan
| | - Atsushi Masamune
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Miyagi, Japan
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2
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Li K, Lin Y, Zhou Y, Xiong X, Wang L, Li J, Zhou F, Guo Y, Chen S, Chen Y, Tang H, Qiu X, Cai S, Zhang D, Bremer E, Jim Yeung SC, Zhang H. Salivary Extracellular MicroRNAs for Early Detection and Prognostication of Esophageal Cancer: A Clinical Study. Gastroenterology 2023; 165:932-945.e9. [PMID: 37399999 DOI: 10.1053/j.gastro.2023.06.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 06/15/2023] [Accepted: 06/27/2023] [Indexed: 07/05/2023]
Abstract
BACKGROUND & AIMS Early detection of esophageal squamous cell carcinoma (ESCC) will facilitate curative treatment. We aimed to establish a microRNA (miRNA) signature derived from salivary extracellular vesicles and particles (EVPs) for early ESCC detection and prognostication. METHODS Salivary EVP miRNA expression was profiled in a pilot cohort (n = 54) using microarray. Area under the receiver operator characteristic curve (AUROC) and least absolute shrinkage and selector operation regression analyses were used to prioritize miRNAs that discriminated patients with ESCC from controls. Using quantitative reverse transcription polymerase chain reaction, the candidates were measured in a discovery cohort (n = 72) and cell lines. The prediction models for the biomarkers were derived from a training cohort (n = 342) and validated in an internal cohort (n = 207) and an external cohort (n = 226). RESULTS The microarray analysis identified 7 miRNAs for distinguishing patients with ESCC from control subjects. Because 1 was not always detectable in the discovery cohort and cell lines, the other 6 miRNAs formed a panel. A signature of this panel accurately identified patients with all-stage ESCC in the training cohort (AUROC = 0.968) and was successfully validated in 2 independent cohorts. Importantly, this signature could distinguish patients with early-stage (stage Ⅰ/Ⅱ) ESCC from control subjects in the training cohort (AUROC = 0.969, sensitivity = 92.00%, specificity = 89.17%) and internal (sensitivity = 90.32%, specificity = 91.04%) and external (sensitivity = 91.07%, specificity = 88.06%) validation cohorts. Moreover, a prognostic signature based on the panel was established and efficiently predicted the high-risk cases with poor progression-free survival and overall survival. CONCLUSIONS The salivary EVP-based 6-miRNA signature can serve as noninvasive biomarkers for early detection and risk stratification of ESCC. Chinese Clinical Trial Registry, ChiCTR2000031507.
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Affiliation(s)
- Kai Li
- Department of Urology, Guangdong Second Provincial General Hospital, Faculty of Medical Science and Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou, Guangdong, China; Institute of Precision Cancer Medicine and Pathology, Jinan University Medical College, Guangzhou, Guangdong, China
| | - Yusheng Lin
- Institute of Precision Cancer Medicine and Pathology, Jinan University Medical College, Guangzhou, Guangdong, China; Department of Hematology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Graduate School, Shantou University Medical College, Shantou, Guangdong, China
| | - Yu Zhou
- Institute of Precision Cancer Medicine and Pathology, Jinan University Medical College, Guangzhou, Guangdong, China
| | - Xiao Xiong
- Department of Urology, Guangdong Second Provincial General Hospital, Faculty of Medical Science and Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou, Guangdong, China
| | - Lu Wang
- Institute of Precision Cancer Medicine and Pathology, Jinan University Medical College, Guangzhou, Guangdong, China
| | - Junkuo Li
- Department of Thoracic Surgery, Anyang Tumor Hospital, The Fourth Affiliated Hospital of Henan University of Science and Technology, Anyang, Henan, China
| | - Fuyou Zhou
- Department of Thoracic Surgery, Anyang Tumor Hospital, The Fourth Affiliated Hospital of Henan University of Science and Technology, Anyang, Henan, China
| | - Yi Guo
- Endoscopy Center, Affiliated Cancer Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Shaobin Chen
- Department of Thoracic Surgery, Affiliated Cancer Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Yuping Chen
- Department of Thoracic Surgery, Affiliated Cancer Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Hui Tang
- Department of Central Laboratory, The First Affiliated Hospital of Jinan University, Guangzhou, China; Department of Clinical Laboratory, The Fifth Affiliated Hospital of Jinan University (Heyuan Shenhe People's Hospital), Heyuan, China
| | - Xiaofu Qiu
- Department of Urology, Guangdong Second Provincial General Hospital, Guangzhou, Guangdong, China
| | - Songwang Cai
- Department of Thoracic Surgery, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Dianzheng Zhang
- Department of Bio-Medical Sciences, Philadelphia College of Osteopathic Medicine, Philadelphia, Pennsylvania
| | - Edwin Bremer
- Department of Hematology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Sai-Ching Jim Yeung
- Department of Emergency Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Hao Zhang
- Department of Urology, Guangdong Second Provincial General Hospital, Guangzhou, Guangdong, China; Department of General Surgery, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China; Institute of Precision Cancer Medicine and Pathology, School of Medicine, Minister of Education Key Laboratory of Tumor Molecular Biology, Jinan University, Guangzhou, China.
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3
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van Tilburg L, van den Ban SA, van de Ven SE, Sewnaik A, Bruno MJ, Spaander MC, Baatenburg de Jong RJ, Koch AD. Screening for head and neck tumors in patients with esophageal squamous cell carcinoma and vice versa: a nationwide survey among medical specialists. Endosc Int Open 2022; 10:E1268-E1274. [PMID: 36118651 PMCID: PMC9473805 DOI: 10.1055/a-1871-8552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 05/30/2022] [Indexed: 11/18/2022] Open
Abstract
Background and study aims Retrospectively, minimally 5% of patients with esophageal squamous cell carcinoma (ESCC) and 11 % with head and neck squamous cell carcinoma (HNSCC) in Western countries developed a second primary tumor (SPT). SPT screening in ESCC and HNSCC patients is not implemented routinely in daily practice in many Western countries. This study aimed to assess medical specialist knowledge and opinions regarding screening for head and neck SPTs (HNSPTs) in ESCC patients and vice versa in the Netherlands. Methods A nationwide survey among gastroenterologists and head and neck (HN) surgeons was conducted between December 2020 and March 2021. The survey consisted of 27 questions and focused on knowledge of medical specialists of the prevalence and opinions toward implementing screening for HNSPTs in ESCC patients and vice versa. Results One hundred twenty-eight gastroenterologists (20.5 %) and 31 HN surgeons (50.0 %) completed the survey. The expected median prevalence of HNSPTs in ESCC was 7.0 % (interquartile range [IQR]: 5.0-15.0) among gastroenterologists and 5.0 % (IQR:3.0-8.0) among HN surgeons. For ESPTs in HNSCC, the expected median prevalence was 9.5 % (IQR: 5.0-12.0) among gastroenterologists and 4.0 % (IQR: 2.0-5.0) among HN surgeons. Screening for HNSPTs and ESPTs was considered promising by 35.2 % and 39.6 %, respectively, which increased to 54.7 % of the specialists after providing incidence data on SPTs. Of the HN surgeons, 41.3 % felt they were as capable as gastroenterologists of performing esophageal screening. Conclusions This Dutch nationwide survey revealed a lack of knowledge and different perspectives among specialists about screening to detect SPTs in ESCC and HNSCC patients. Adequate education seems essential to increase awareness among specialists and improve SPT detection, independent of the need for implementation of screening for SPTs in ESCC and HNSCC patients.
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Affiliation(s)
- Laurelle van Tilburg
- Department of Gastroenterology and Hepatology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Sophie A. van den Ban
- Department of Gastroenterology and Hepatology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Steffi E.M. van de Ven
- Department of Gastroenterology and Hepatology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Aniel Sewnaik
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Marco J. Bruno
- Department of Gastroenterology and Hepatology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Manon C.W. Spaander
- Department of Gastroenterology and Hepatology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Robert J. Baatenburg de Jong
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Arjun D. Koch
- Department of Gastroenterology and Hepatology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, Netherlands
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4
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Kuo CY, Wu JW, Yeh JH, Wang WL, Tu CH, Chiu HM, Liao WC. Implementing precision medicine in endoscopy practice. J Gastroenterol Hepatol 2022; 37:1455-1468. [PMID: 35778863 DOI: 10.1111/jgh.15933] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/17/2022] [Accepted: 06/28/2022] [Indexed: 12/12/2022]
Abstract
In contrast to the "one-size-fits-all" approach, precision medicine focuses on providing health care tailored to individual variabilities. Implementing precision medicine in endoscopy practice involves selecting the appropriate procedures among the endoscopic armamentarium in the diagnosis and management of patients in a logical sequence, jointly considering the pretest probabilities of possible diagnoses, patients' comorbidities and preference, and risk-benefit ratio of the individual procedures given the clinical scenario. The aim of this review is to summarize evidence-supported strategies and measures that may enhance precision medicine in general endoscopy practice.
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Affiliation(s)
- Chen-Ya Kuo
- Department of Internal Medicine, Fu Jen Catholic University Hospital, New Taipei City, Taiwan
| | - Jer-Wei Wu
- Department of Internal Medicine, National Taiwan University Hospital Jin-Shan Branch, New Taipei City, Taiwan
| | - Jen-Hao Yeh
- Department of Internal Medicine, E-DA Dachang Hospital, Kaohsiung, Taiwan
| | - Wen-Lun Wang
- Department of Internal Medicine, E-DA Hospital, Kaohsiung, Taiwan.,School of Medicine, College of Medicine, I-Shou University, Kaohsiung, Taiwan
| | - Chia-Hung Tu
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Han-Mo Chiu
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan.,Internal Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Wei-Chih Liao
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan.,Internal Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
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5
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Esophageal motility disorders missed during endoscopy. Esophagus 2022; 19:486-492. [PMID: 35038065 DOI: 10.1007/s10388-021-00903-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 12/22/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND Esophageal motility disorders are sometimes misdiagnosed on endoscopic examination. We aimed to identify the proportion of patients with esophageal motility disorders missed during endoscopy and their clinical characteristics. METHODS Patients diagnosed with either disorder with esophagogastric junction outflow obstruction or major disorders of peristalsis using high-resolution manometry in our hospital from April 2015 to March 2021 were included in this study. Missed esophageal motility disorders were defined as patients with any endoscopic misdiagnosis such as normal esophagus or esophagitis within 1 year before the manometric diagnosis. We determined the proportion of missed esophageal motility disorders and identified independent predictors of missed esophageal motility disorders using multivariate analysis. RESULTS A total of 41/273 esophageal motility disorders (15.0%; 95% confidence interval 11.3-19.7%) were missed during endoscopy within 1 year before manometric diagnosis. In the stepwise logistic regression analysis, the following variables were selected as independent variables for patients with missed esophageal motility disorders during endoscopy: non-dilated esophagus (odds ratio = 4.87, 95% confidence interval: 1.81-13.12, p = 0.002), the presence of epiphrenic diverticulum (odds ratio = 8.95, 95% confidence interval: 1.88-42.65, p = 0.006), the use of transnasal endoscopy (odds ratio = 4.71, 95% confidence interval: 1.59-13.92, p = 0.005), and the combined use of esophagram (odds ratio = 0.023, 95% confidence interval: 0.0025-0.20, p = 0.0008). CONCLUSIONS Based on retrospective analysis, 15% of esophageal motility disorders were missed during endoscopy. Understanding the clinical characteristics of missed esophageal motility disorders could help improve endoscopic diagnoses.
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6
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Affiliation(s)
- Steffi E.M. van de Ven
- Department of Gastroenterology and Hepatology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Arjun D. Koch
- Department of Gastroenterology and Hepatology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
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7
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Van Lierde C, Gyselinck B, Meulemans J, Bisschops R, Delaere P, Vander Poorten V. The Value of Virtual Chromoendoscopy in the Workup of Patients with Head and Neck Squamous Cell Carcinoma. Curr Oncol Rep 2020; 22:121. [PMID: 32989565 DOI: 10.1007/s11912-020-00982-z] [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] [Accepted: 09/07/2020] [Indexed: 12/19/2022]
Abstract
PURPOSE OF REVIEW Second primary tumors (SPTs) significantly increase the mortality in patients with head and neck squamous cell carcinomas (HNSCCs). Virtual chromoendoscopy (VCE) could complement or replace lugol chromoendoscopy (LCE) for early esophageal second primary tumor (ESPT) detection. An overview of the existing techniques and their diagnostic performance in early detection of esophageal squamous cell neoplasms is provided. RECENT FINDINGS Nowadays, LCE is the golden standard to detect ESPTs. Recently, multiple new VCE techniques have been developed. Especially narrow-band imaging (NBI) is promising. It shows similar sensitivity to LCE, but a significantly higher specificity. Patients with HNSCC are prone to develop ESPTs, both synchronous and metachronous, with a substantial negative impact on survival rates. Therefore, active screening and follow-up is necessary. LCE is an effective screening method, but has some disadvantages. Countering these drawbacks, NBI shows a high potential in early ESPT detection in high-risk patients. Additional multicenter studies are needed to compare diagnostic performance and cost-effectiveness of NBI and other VCE techniques with LCE.
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Affiliation(s)
- Charlotte Van Lierde
- Otorhinolaryngology - Head and Neck Surgery, Leuven Cancer Institute, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium.,Section Head and Neck Oncology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Brecht Gyselinck
- Otorhinolaryngology - Head and Neck Surgery, Leuven Cancer Institute, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium.,Section Head and Neck Oncology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Jeroen Meulemans
- Otorhinolaryngology - Head and Neck Surgery, Leuven Cancer Institute, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium.,Section Head and Neck Oncology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Raf Bisschops
- Gastroenterology, University Hospitals Leuven, Leuven, Belgium
| | - Pierre Delaere
- Otorhinolaryngology - Head and Neck Surgery, Leuven Cancer Institute, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - Vincent Vander Poorten
- Otorhinolaryngology - Head and Neck Surgery, Leuven Cancer Institute, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium. .,Section Head and Neck Oncology, Department of Oncology, KU Leuven, Leuven, Belgium.
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8
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Thakur K, Singh CA, Thakar A, Kakkar A, Sikka K, Kumar R, Sharma SC. Prevalence of Synchronous ESCN in Head and Neck Cancer: A Single-Institution Perspective. Laryngoscope 2020; 131:E807-E814. [PMID: 32619324 DOI: 10.1002/lary.28821] [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: 04/07/2020] [Revised: 05/13/2020] [Accepted: 05/19/2020] [Indexed: 12/16/2022]
Abstract
OBJECTIVES The primary objective was to determine the prevalence of synchronous esophageal squamous cell carcinoma in head and neck squamous cell carcinoma (HNSCC) patients. The secondary objective was to determine risk factors for the development of synchronous esophageal squamous cell carcinoma (ESCN). STUDY DESIGN Cross sectional observation study. METHODS A prospective cross sectional, observational study on consecutive 300 newly diagnosed oral cavity, oropharynx, hypopharynx, and laryngeal squamous cell carcinoma patients who underwent trans-nasal esophageal endoscopy with white light imaging and narrow band imaging. RESULTS Among 300 patients, index HNSCCs were located in the oral cavity (n = 154, 51.3%), oropharynx (n = 63, 21%), larynx (n = 53, 17.7%), and hypopharynx (n = 30, 10%). The prevalence of synchronous ESCN was 2.7% (n = 8), including four low-grade, two high-grade dysplasia, and two squamous cell carcinomas. On logistic regression analysis, moderate to heavy alcohol consumption (OR 8.7, P = .01) and primary HNSCC involving supraglottis [(OR 12.5, P = .02) were risk factors for synchronous ESCN. The association of pyriform sinus carcinoma and synchronous ESCN was of borderline significance (P = .054, OR 10.92). CONCLUSION The prevalence of synchronous ESCN in HNSCC was 2.7%. Routine trans-nasal esophagoscopy should be performed in all newly diagnosed patients with carcinoma of the supraglottis and pyriform sinus, and those with consumption of moderate to heavy alcohol for the screening of synchronous ESCN. LEVEL OF EVIDENCE 2b Laryngoscope, 131:E807-E814, 2021.
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Affiliation(s)
- Kuldeep Thakur
- Department of Otolaryngology, Head and Neck Surgery, All India Institute of Medical Sciences New Delhi, Delhi, India
| | - Chirom A Singh
- Department of Otolaryngology, Head and Neck Surgery, All India Institute of Medical Sciences New Delhi, Delhi, India
| | - Alok Thakar
- Department of Otolaryngology, Head and Neck Surgery, All India Institute of Medical Sciences New Delhi, Delhi, India
| | - Aanchal Kakkar
- Department of Pathology, All India Institute of Medical Sciences New Delhi, Delhi, India
| | - Kapil Sikka
- Department of Otolaryngology, Head and Neck Surgery, All India Institute of Medical Sciences New Delhi, Delhi, India
| | - Rajeev Kumar
- Department of Otolaryngology, Head and Neck Surgery, All India Institute of Medical Sciences New Delhi, Delhi, India
| | - Suresh C Sharma
- Department of Otolaryngology, Head and Neck Surgery, All India Institute of Medical Sciences New Delhi, Delhi, India
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9
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Coca-Pelaz A, Rodrigo JP, Suárez C, Nixon IJ, Mäkitie A, Sanabria A, Quer M, Strojan P, Bradford CR, Kowalski LP, Shaha AR, de Bree R, Hartl DM, Rinaldo A, Takes RP, Ferlito A. The risk of second primary tumors in head and neck cancer: A systematic review. Head Neck 2019; 42:456-466. [PMID: 31750595 DOI: 10.1002/hed.26016] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 10/22/2019] [Accepted: 11/06/2019] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Second primary tumors (SPTs) are a common cause of reduced life expectancy in patients treated for head and neck cancer (HNC). This phenomenon forms an area to be addressed during posttreatment follow-up. METHODS We conducted a systematic review of literature following PRISMA guidelines, from 1979 to 2019, to investigate incidence of SPTs, synchronous, and metachronous, in HNC population. RESULTS Our review includes data of 456 130 patients from 61 articles. With a minimum follow-up of 22 months, mean incidence of SPTs was 13.2% (95% CI: 11.56-14.84): 5.3% (95% CI: 4.24-6.36) for synchronous SPTs and 9.4% (95% CI: 7.9-10.9) for metachronous SPTs. The most frequent site for SPTs was head and neck area, followed by the lungs and esophagus. CONCLUSION Although with wide variations between studies, the rate of SPTs in HNC patients is high. Given the impact in the prognosis, we must develop strategies for the early diagnosis of SPTs.
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Affiliation(s)
- Andrés Coca-Pelaz
- Department of Otolaryngology, Hospital Universitario Central de Asturias-University of Oviedo, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado de Asturias, IUOPA, CIBERONC, Oviedo, Spain
| | - Juan P Rodrigo
- Department of Otolaryngology, Hospital Universitario Central de Asturias-University of Oviedo, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado de Asturias, IUOPA, CIBERONC, Oviedo, Spain
| | - Carlos Suárez
- Instituto de Investigación Sanitaria del Principado de Asturias, IUOPA, CIBERONC, Oviedo, Spain
| | - Iain J Nixon
- Ear, Nose and Throat Department, NHS Lothian, University of Edinburgh, Edinburgh, UK
| | - Antti Mäkitie
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Alvaro Sanabria
- Department of Surgery, School of Medicine, Universidad de Antioquia, CEXCA. Centro de Excelencia en Enfermedades de Cabeza y Cuello, Medellín, Colombia
| | - Miquel Quer
- Department of Otolaryngology, Hospital Santa Creu i Sant Pau, Barcelona, Spain
| | - Primož Strojan
- Department of Radiation Oncology, Institute of Oncology, Ljubljana, Slovenia
| | - Carol R Bradford
- Department of Otolaryngology-Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan
| | - Luiz P Kowalski
- Department of Head and Neck Surgery and Otorhinolaryngology, A.C. Camargo Cancer Center, Sao Paulo, Brazil
| | - Ashok R Shaha
- Head and Neck Service, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Remco de Bree
- Department of Head and Neck Surgical Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Dana M Hartl
- Department of Otolaryngology-Head and Neck Surgery, Institut Gustave Roussy, Villejuif Cedex, France.,Laboratoire de Phonétique et de Phonologie, Paris, France
| | | | - Robert P Takes
- Department of Otolaryngology-Head and Neck Surgery, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Alfio Ferlito
- Coordinator of the International Head and Neck Scientific Group, Padua, Italy
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10
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Lu D, Liu X, Feng S, Dong X, Shi X, Ren P, Diao D, Wu H, Xiong G, Wang H, Li M, Rao S, Molena D, Wu AJ, Cai K. The Current Situation of Esophageal Cancer Staging and Perioperative Strategies Determination in Central and Southern China: A Cross Sectional Survey. Front Oncol 2019; 9:1098. [PMID: 31696056 PMCID: PMC6817579 DOI: 10.3389/fonc.2019.01098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 10/07/2019] [Indexed: 12/21/2022] Open
Abstract
Purpose: We aim to investigate the current esophageal cancer staging according to the 7th edition TNM classification for esophageal carcinoma proposed by American Joint Committee on Cancer (AJCC) among oncology-related physicians in China. Methods: A specifically-designed 14-item questionnaire was distributed to 366 doctors who were working with esophageal cancer patients. We collected and analyzed the feedbacks and explored the possible associations within different departments, including thoracic surgery, the internal medicine of gastroenterology, oncology, and/ radiotherapy in eight different hospitals from central and southern China. Results: Among all the responses, 31.42% of them were from thoracic surgery department, 40.44% were from oncology and/or radiation therapy and 28.14% were from the internal medicine of gastroenterology, respectively. Surprisingly, in total 66.12% of all the physicians were unaware that the 7th edition of esophageal carcinoma TNM classification was released in 2009; only 21.86 and 16.67% of physicians recognized cervical nodes and celiac nodes as regional lymph nodes. Furthermore, 67.21% physicians didn't know that tumor location, histologic grade, and histopathology were accepted as new prognostic factors in the latest TNM system; and 51.37% physicians could not determine the correct TNM classification of esophagogastric junction cancers. Intriguingly, over 50% of them could still design appropriate perioperative strategies. Conclusions: The 7th edition of the TNM classification for esophageal carcinoma is poorly recognized and understood in central and southern China, which might contribute to the relatively low rates of appropriate perioperative procedures applied for esophageal cancer patients.
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Affiliation(s)
- Di Lu
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiguang Liu
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Siyang Feng
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaoying Dong
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaoshun Shi
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Pengfei Ren
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Dingwei Diao
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Hua Wu
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Gang Xiong
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Haofei Wang
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Mei Li
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Shuan Rao
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Daniela Molena
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Abraham J Wu
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Kaican Cai
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
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11
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Januszewicz W, Fitzgerald RC. Early detection and therapeutics. Mol Oncol 2019; 13:599-613. [PMID: 30677217 PMCID: PMC6396365 DOI: 10.1002/1878-0261.12458] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Revised: 01/11/2019] [Accepted: 01/19/2019] [Indexed: 12/11/2022] Open
Abstract
Early detection, including cancer screening and surveillance, is emerging as one of the most important topics in modern oncology. Because symptomatic presentation remains the predominant route to cancer diagnosis, there is a growing interest in developing techniques to detect the disease at an early, curative stage. Moreover, growing understanding of cancer biology has paved the way for prevention studies with the focus on therapeutic interventions for premalignant conditions. Where there is a recognisable precursor stage, such as a colorectal adenoma or Barrett's metaplasia, the removal of abnormal tissue prevents the development of cancer and enables stratification of the patient to a high-risk group requiring further surveillance. Here, we provide a review of the available technologies for early diagnosis and minimally-invasive treatment.
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Affiliation(s)
- Wladyslaw Januszewicz
- MRC Cancer Unit, University of Cambridge, UK.,Department of Gastroenterology, Hepatology and Clinical Oncology, Medical Centre for Postgraduate Education, Warsaw, Poland
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12
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Bugter O, van de Ven SEM, Hardillo JA, Bruno MJ, Koch AD, Baatenburg de Jong RJ. Early detection of esophageal second primary tumors using Lugol chromoendoscopy in patients with head and neck cancer: A systematic review and meta-analysis. Head Neck 2018; 41:1122-1130. [PMID: 30593712 PMCID: PMC6590301 DOI: 10.1002/hed.25548] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 08/09/2018] [Accepted: 11/08/2018] [Indexed: 12/19/2022] Open
Abstract
Background Early detection of esophageal secondary primary tumors (SPTs) in head and neck squamous cell carcinoma (HNSCC) patients could increase patient survival. The purpose of this study was to determine the diagnostic yield of esophageal SPTs using Lugol chromoendoscopy. Methods A systematic review of all available databases was performed to find all Lugol chromoendoscopy screening studies. Results Fifteen studies with a total of 3386 patients were included. The average yield of esophageal‐SPTs in patients with HNSCC was 15%. The prevalence was the highest for patients with an index hypopharyngeal (28%) or oropharyngeal (14%) tumor. The esophageal‐SPTs were classified as high‐grade dysplasia in 49% of the cases and as invasive carcinoma's in 51%. Conclusion Our results show that 15% of the patients with HNSCC that underwent Lugol chromoendoscopy were diagnosed with an esophageal‐SPT. Based on these results there is enough evidence to perform Lugol chromoendoscopy, especially in an Asian patient population.
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Affiliation(s)
- Oisín Bugter
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Steffi E M van de Ven
- Department of Gastroenterology and Hepatology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Jose A Hardillo
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Marco J Bruno
- Department of Gastroenterology and Hepatology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Arjun D Koch
- Department of Gastroenterology and Hepatology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Robert J Baatenburg de Jong
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
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13
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Codipilly DC, Qin Y, Dawsey SM, Kisiel J, Topazian M, Ahlquist D, Iyer PG. Screening for esophageal squamous cell carcinoma: recent advances. Gastrointest Endosc 2018; 88:413-426. [PMID: 29709526 PMCID: PMC7493990 DOI: 10.1016/j.gie.2018.04.2352] [Citation(s) in RCA: 144] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 04/20/2018] [Indexed: 02/08/2023]
Abstract
Esophageal squamous cell carcinoma (ESCC) is the most common type of esophageal cancer worldwide, with a high mortality due to advanced stage at diagnosis. Although most common in an area known as the Asian Esophageal Cancer Belt, which extends from the Caspian Sea to northern China, and in parts of Africa, high-risk populations also exist elsewhere in the world. Screening for ESCC has been practiced in a few geographic areas and high-risk populations, with varying levels of success. Esophageal squamous dysplasia is recognized as the precursor lesion for ESCC. Endoscopic screening for ESCC/esophageal squamous dysplasia is expensive and not sufficiently available in many high-risk regions. Recent advances in non-endoscopic screening enhanced by biomarker-based disease detection have raised the prospect of improved accuracy and availability of screening for esophageal squamous dysplasia and early stage ESCC. Development of a cost-effective, accurate, and well-tolerated screening test, if applied in endemic areas and high-risk populations, has the potential to reduce mortality from this deadly disease worldwide. In this review, we summarize recent developments in endoscopic and non-endoscopic screening modalities.
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Affiliation(s)
- DC Codipilly
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester
| | - Y Qin
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester
| | - Sanford M. Dawsey
- Division of Cancer Epidemiology and Genetics, National Cancer Institute
| | - John Kisiel
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester
| | - Mark Topazian
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester
| | - David Ahlquist
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester
| | - PG Iyer
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester
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14
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Abstract
New improved methods are required for the early detection of esophageal adenocarcinoma in order to reduce mortality from this aggressive cancer. In this review we discuss different screening methods which are currently under evaluation ranging from image-based methods to cell collection devices coupled with biomarkers. As Barrett's esophagus is a low prevalence disease, potential screening tests must be applied to an enriched population to reduce the false-positive rate and improve the cost-effectiveness of the program.
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Affiliation(s)
- Maria O'Donovan
- MRC Cancer Unit, Hutchison/MRC Research Centre, University of Cambridge, Hills Road, Cambridge, CB2 0XZ, UK
- Department of Histopathology, Addenbrooke's Hospital, Cambridge, UK
| | - Rebecca C Fitzgerald
- MRC Cancer Unit, Hutchison/MRC Research Centre, University of Cambridge, Hills Road, Cambridge, CB2 0XZ, UK.
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15
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Wellenstein DJ, Schutte HW, Takes RP, Honings J, Marres HA, Burns JA, van den Broek GB. Office-Based Procedures for the Diagnosis and Treatment of Laryngeal Pathology. J Voice 2018; 32:502-513. [DOI: 10.1016/j.jvoice.2017.07.018] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Revised: 07/07/2017] [Accepted: 07/25/2017] [Indexed: 12/17/2022]
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16
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Lee KD, Wang TY, Lu CH, Huang CE, Chen MC. The bidirectional association between oral cancer and esophageal cancer: A population-based study in Taiwan over a 28-year period. Oncotarget 2018; 8:44567-44578. [PMID: 28562351 PMCID: PMC5546502 DOI: 10.18632/oncotarget.17818] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Accepted: 04/23/2017] [Indexed: 01/17/2023] Open
Abstract
Previous studies have revealed that patients with oral or esophageal cancer are at higher risk for subsequently developing a second primary malignancy. However, it remains to be determined what association exists between oral cancer and esophageal cancer particularly in Asian countries where squamous cell carcinoma is the predominant type of esophageal cancer. A population-based study was carried out in Taiwan, where the incidence rates of both oral and esophageal squamous cell carcinomas are high, to test the hypothesis that oral cancer or esophageal cancer predisposes an individual to developing the other form of cancer. Our results showed that patients with primary oral cancer (n=45,859) had ten times the risk of second esophageal cancer compared to the general population. Within the same cohort, the reciprocal risk of oral cancer as a second primary in primary esophageal cancer patients (n=16,658) was also increased seven-fold. The bidirectional relationship suggests common risk factors between these two cancers. The present study is not only the first population-based study in Asia to validate the reciprocal relationship between oral and esophageal squamous cell carcinomas, but also will aid in the appropriate selection of high-risk patients for a future follow-up surveillance program.
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Affiliation(s)
- Kuan-Der Lee
- Division of Hematology and Oncology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei, Taiwan.,School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ting-Yao Wang
- Department of Hematology and Oncology, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Chang-Hsien Lu
- Department of Hematology and Oncology, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Cih-En Huang
- Department of Hematology and Oncology, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Min-Chi Chen
- Department of Hematology and Oncology, Chang Gung Memorial Hospital, Chiayi, Taiwan.,Department of Public Health and Biostatistics Consulting Center, College of Medicine, Chang Gung University, Taoyuan City, Taiwan
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17
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Howell RJ, Schopper MA, Giliberto JP, Collar RM, Khosla SM. Office-based esophageal dilation in head and neck cancer: Safety, feasibility, and cost analysis. Laryngoscope 2018; 128:2261-2267. [DOI: 10.1002/lary.27121] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 12/24/2017] [Accepted: 01/10/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Rebecca J. Howell
- Department of Otolaryngology-Head and Neck Surgery; University of Cincinnati College of Medicine; Cincinnati Ohio U.S.A
| | - Melissa A. Schopper
- Department of Otolaryngology-Head and Neck Surgery; University of Cincinnati College of Medicine; Cincinnati Ohio U.S.A
| | - John Paul Giliberto
- Department of Otolaryngology-Head and Neck Surgery; University of Cincinnati College of Medicine; Cincinnati Ohio U.S.A
| | - Ryan M. Collar
- Department of Otolaryngology-Head and Neck Surgery; University of Cincinnati College of Medicine; Cincinnati Ohio U.S.A
| | - Sid M. Khosla
- Department of Otolaryngology-Head and Neck Surgery; University of Cincinnati College of Medicine; Cincinnati Ohio U.S.A
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18
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di Pietro M, Canto MI, Fitzgerald RC. Endoscopic Management of Early Adenocarcinoma and Squamous Cell Carcinoma of the Esophagus: Screening, Diagnosis, and Therapy. Gastroenterology 2018; 154:421-436. [PMID: 28778650 PMCID: PMC6104810 DOI: 10.1053/j.gastro.2017.07.041] [Citation(s) in RCA: 141] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 07/24/2017] [Accepted: 07/26/2017] [Indexed: 12/16/2022]
Abstract
Because the esophagus is easily accessible with endoscopy, early diagnosis and curative treatment of esophageal cancer is possible. However, diagnosis is often delayed because symptoms are not specific during early stages of tumor development. The onset of dysphagia is associated with advanced disease, which has a survival at 5 years lower than 15%. Population screening by endoscopy is not cost-effective, but a number of alternative imaging and cell analysis technologies are under investigation. The ideal screening test should be inexpensive, well tolerated, and applicable to primary care. Over the past 10 years, significant progress has been made in endoscopic diagnosis and treatment of dysplasia (squamous and Barrett's), and early esophageal cancer using resection and ablation technologies supported by evidence from randomized controlled trials. We review the state-of-the-art technologies for early diagnosis and minimally invasive treatment, which together could reduce the burden of disease.
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Affiliation(s)
| | - Marcia I Canto
- Division of Gastroenterology and Hepatology, Johns Hopkins Medical Institutions, Baltimore, Maryland
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19
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Hiremath G, Gupta SK. Promising Modalities to Identify and Monitor Eosinophilic Esophagitis. Clin Gastroenterol Hepatol 2017; 15:1655-1664. [PMID: 28501533 DOI: 10.1016/j.cgh.2017.05.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Revised: 04/21/2017] [Accepted: 05/01/2017] [Indexed: 12/13/2022]
Abstract
Eosinophilic esophagitis (EoE) is an allergen-mediated condition characterized by symptoms of esophageal dysfunction and histologic evidence of intense eosinophilic inflammation involving the esophagus in the absence of overlapping conditions such as gastroesophageal reflux disease. Since the initial description as a distinct entity approximately 2 decades ago, there has been a remarkable increase in the recognition of this clinicopathologic entity. The current approach to diagnose and monitor EoE requires repeated esophagogastroduodenoscopies, with associated sedation/anesthesia, to visualize mucosal abnormalities, and to obtain multiple biopsy specimens for histologic assessment and to evaluate treatment response. Frequent esophagogastroduodenoscopies with multiple biopsies can increase the risk of procedural complications, place significant financial burden on families, and escalate health care costs. In addition, this burdensome approach may contribute toward delayed diagnosis and suboptimal monitoring, thereby increasing the likelihood of complications such as esophageal narrowing and stricture formation, which may require escalation of care including endoscopic interventions. Clinical progression and complications associated with EoE can be attenuated through early identification and optimal management. Therefore, developing reliable, safe, less-cumbersome, and cost-effective modalities for early diagnosis and effective monitoring of EoE is an area of active research. These efforts have been substantially supported by the development of new biomaterials, analytic methodologies, and the application of novel concepts. Herein, we summarize modalities that have shown promise to advance the diagnosis and monitoring of EoE and could improve the care of affected individuals and advance the field.
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Affiliation(s)
- Girish Hiremath
- Division of Pediatric Gastroenterology, Hepatology and Nutrition, Monroe Carell Jr. Children's Hospital at Vanderbilt, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Sandeep K Gupta
- Division of Pediatric Gastroenterology, Hepatology and Nutrition, University of Illinois College of Medicine, Peoria, Illinois.
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20
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Wellenstein DJ, Schutte HW, Marres HAM, Honings J, Belafsky PC, Postma GN, Takes RP, van den Broek GB. Office-based procedures for diagnosis and treatment of esophageal pathology. Head Neck 2017; 39:1910-1919. [DOI: 10.1002/hed.24819] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- David J. Wellenstein
- Department of Otorhinolaryngology and Head and Neck Surgery; Radboud University Medical Center; Nijmegen The Netherlands
| | - Henrieke W. Schutte
- Department of Otorhinolaryngology and Head and Neck Surgery; Radboud University Medical Center; Nijmegen The Netherlands
| | - Henri A. M. Marres
- Department of Otorhinolaryngology and Head and Neck Surgery; Radboud University Medical Center; Nijmegen The Netherlands
| | - Jimmie Honings
- Department of Otorhinolaryngology and Head and Neck Surgery; Radboud University Medical Center; Nijmegen The Netherlands
| | - Peter C. Belafsky
- Center for Voice and Swallowing; Department of Otolaryngology and Head and Neck Surgery, University of California, Davis School of Medicine; Sacramento California
| | - Gregory N. Postma
- Department of Otolaryngology; Medical College of Georgia at Augusta University; Augusta Georgia
| | - Robert P. Takes
- Department of Otorhinolaryngology and Head and Neck Surgery; Radboud University Medical Center; Nijmegen The Netherlands
| | - Guido B. van den Broek
- Department of Otorhinolaryngology and Head and Neck Surgery; Radboud University Medical Center; Nijmegen The Netherlands
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21
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Sekiguchi M, Terauchi T, Kakugawa Y, Shimada N, Saito Y, Matsuda T. Performance of 18-fluoro-2-deoxyglucose positron emission tomography for esophageal cancer screening. World J Gastroenterol 2017; 23:2743-2749. [PMID: 28487611 PMCID: PMC5403753 DOI: 10.3748/wjg.v23.i15.2743] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 02/23/2017] [Accepted: 03/20/2017] [Indexed: 02/06/2023] Open
Abstract
AIM To evaluate the performance of 18-fluoro-2-deoxyglucose positron emission tomography (FDG-PET) for esophageal cancer (EC) screening.
METHODS We retrospectively analyzed the data of consecutive asymptomatic individuals who underwent FDG-PET and esophagogastroduodenoscopy (EGD) simultaneously for cancer screening at our institution from February 2004 to March 2013. In total, 14790 FDG-PET and EGD procedures performed for 8468 individuals were included in this study, and the performance of FDG-PET for EC screening was assessed by comparing the results of FDG-PET and EGD, considering the latter as the reference.
RESULTS Thirty-two EC lesions were detected in 28 individuals (31 squamous cell carcinomas and 1 adenocarcinoma). The median tumor size was 12.5 mm, and the depths of the lesions were as follows: Tis (n = 12), T1a (n = 15), and T1b (n = 5). Among the 14790 FDG-PET procedures, 51 examinations (0.3%) showed positive findings in the esophagus; only 1 was a true-positive finding. The screen sensitivity, specificity, positive predictive value, and negative predictive value of FDG-PET for ECs were 3.6% (95%CI: 0.1-18.3), 99.7% (95%CI: 99.6-99.7), 2.0% (95%CI: 0.0-10.4), and 99.8% (95%CI: 99.7-99.9), respectively. Of the 50 FDG-PET false-positive cases, 31 were observed in the lower esophagus, and gastroesophageal reflux disease was observed in 17 of these 31 cases.
CONCLUSION This study is the first to clarify the FDG-PET performance for EC screening. Based on the low screen sensitivity, FDG-PET is considered to be difficult to use as a screening modality for ECs.
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Abstract
PURPOSE OF REVIEW The costs to society and accuracy of screening for esophageal cancer and other esophageal diseases with standard endoscopy are formidable. As a result, the applicability of endoscopy as a general screening tool has been challenged. RECENT FINDINGS To maintain accuracy but reduce the price of endoscopy on society, multiple adjunct or replacement technologies are being developed that are less expensive and more easily applied. These devices include image-enhancing techniques that more reliably identify dysplasia and cancer reducing the need for extensive biopsy sampling during standard endoscopy. They also include ambulatory forms for procuring esophageal imaging including smaller endoscopes and capsule endoscopy. Finally, some of the newer methods either obtain samples of esophageal tissue through bedside maneuvers not requiring endoscopy or retrieve information about mucosal inflammation and function without the need to procure esophageal tissue. There is an exciting future for esophageal diagnosis with tools that will save cost and/or provide greater accuracy and safety for some of the most common esophageal disorders.
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Affiliation(s)
- David A Katzka
- Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Ave., S.W., Rochester, MN, 55905, USA.
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23
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Narrow band imaging versus lugol chromoendoscopy to diagnose squamous cell carcinoma of the esophagus: a systematic review and meta-analysis. BMC Cancer 2017; 17:54. [PMID: 28086818 PMCID: PMC5237308 DOI: 10.1186/s12885-016-3011-9] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 12/15/2016] [Indexed: 12/15/2022] Open
Abstract
Background In the early stage esophageal cancer, changes in the mucosa are subtle and pass unnoticed in endoscopic examinations using white light. To increase sensitivity, chromoscopy with Lugol’s solution has been used. Technological advancements have led to the emergence of virtual methods of endoscopic chromoscopy, including narrow band imaging (NBI). NBI enhances the relief of the mucosa and the underlying vascular pattern, providing greater convenience without the risks inherent to the use of vital dye. The purpose of this systematic review and meta-analysis was to evaluate the ability of NBI to diagnose squamous cell carcinoma of the esophagus and to compare it to chromoscopy with Lugol’s solution. Methods This systematic review included all studies comparing the diagnostic accuracy of NBI and Lugol chromoendoscopy performed to identify high-grade dysplasia and/or squamous cell carcinoma in the esophagus. In the meta-analysis, we calculated and demonstrated sensitivity, specificity, and positive and negative likelihood values in forest plots. We also determined summary receiver operating characteristic (sROC) curves and estimates of the areas under the curves for both per-patient and per-lesion analysis. Results The initial search identified 7079 articles. Of these, 18 studies were included in the systematic review and 12 were used in the meta-analysis, for a total of 1911 patients. In per-patient and per-lesion analysis, the sensitivity, specificity, and positive and negative likelihood values for Lugol chromoendoscopy were 92% and 98, 82 and 37%, 5.42 and 1.4, and 0.13 and 0.39, respectively, and for NBI were 88 and 94%, 88 and 65%, 8.32 and 2.62, and 0.16 and 0.12, respectively. There was a statistically significant difference in only specificity values, in which case NBI was superior to Lugol chromoendoscopy in both analyses. In the per-patient analysis, the area under the sROC curve for Lugol chromoendoscopy was 0.9559. In the case of NBI, this value was 0.9611; in the per-lesion analysis, this number was 0.9685 and 0.9587, respectively. Conclusions NBI was adequate in evaluating the esophagus in order to diagnose high-grade dysplasia and squamous cell carcinoma. In the differentiation of those disorders from other esophageal mucosa alterations, the NBI was shown to be superior than Lugol.
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Parker C, Alexandridis E, Plevris J, O'Hara J, Panter S. Transnasal endoscopy: no gagging no panic! Frontline Gastroenterol 2016; 7:246-256. [PMID: 28839865 PMCID: PMC5369487 DOI: 10.1136/flgastro-2015-100589] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Revised: 06/01/2015] [Accepted: 06/10/2015] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Transnasal endoscopy (TNE) is performed with an ultrathin scope via the nasal passages and is increasingly used. This review covers the technical characteristics, tolerability, safety and acceptability of TNE and also diagnostic accuracy, use as a screening tool and therapeutic applications. It includes practical advice from an ear, nose, throat (ENT) specialist to optimise TNE practice, identify ENT pathology and manage complications. METHODS A Medline search was performed using the terms "transnasal", "ultrathin", "small calibre", "endoscopy", "EGD" to identify relevant literature. RESULTS There is increasing evidence that TNE is better tolerated than standard endoscopy as measured using visual analogue scales, and the main area of discomfort is nasal during insertion of the TN endoscope, which seems remediable with adequate topical anaesthesia. The diagnostic yield has been found to be similar for detection of Barrett's oesophagus, gastric cancer and GORD-associated diseases. There are some potential issues regarding the accuracy of TNE in detecting small early gastric malignant lesions, especially those in the proximal stomach. TNE is feasible and safe in a primary care population and is ideal for screening for upper gastrointestinal pathology. It has an advantage as a diagnostic tool in the elderly and those with multiple comorbidities due to fewer adverse effects on the cardiovascular system. It has significant advantages for therapeutic procedures, especially negotiating upper oesophageal strictures and insertion of nasoenteric feeding tubes. CONCLUSIONS TNE is well tolerated and a valuable diagnostic tool. Further evidence is required to establish its accuracy for the diagnosis of early and small gastric malignancies. There is an emerging role for TNE in therapeutic endoscopy, which needs further study.
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Affiliation(s)
- Clare Parker
- South Tyneside NHS Foundation Trust, South Tyneside District Hospital, South Shields, UK
| | | | - John Plevris
- Centre for Liver and Digestive Disorders, The Royal Infirmary, University of Edinburgh, Edinburgh, UK
| | - James O'Hara
- Department of Otolaryngology, Newcastle upon Tyne NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Simon Panter
- Department of Gastroenterology, South Tyneside NHS Foundation Trust, Newcastle upon Tyne, UK
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25
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Chou CK, Lee YC. Transnasal endoscopic gastrostomy for patients whose condition limits standard oral endoscopic intubation. ADVANCES IN DIGESTIVE MEDICINE 2016. [DOI: 10.1016/j.aidm.2016.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Huang YC, Lee YC, Tseng PH, Chen TC, Yang TL, Lou PJ, Ko JY, Liao LJ, Hsu WL, Chang YL, Wang CP. Regular screening of esophageal cancer for 248 newly diagnosed hypopharyngeal squamous cell carcinoma by unsedated transnasal esophagogastroduodenoscopy. Oral Oncol 2016; 55:55-60. [DOI: 10.1016/j.oraloncology.2016.01.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2015] [Revised: 01/11/2016] [Accepted: 01/13/2016] [Indexed: 02/07/2023]
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Abstract
PURPOSE OF REVIEW The role of transnasal esophagoscopy (TNE) in the evaluation and management of the head and neck cancer patient is evolving. This study reviews the most recent advances in the use of this technology in the head and neck patient population. RECENT FINDINGS It appears that in-office, unsedated TNE is a useful alternative to conventional endoscopy in the evaluation and management of the head and neck patient. The current literature defines the feasibility and limitations of this technology for screening for the development of synchronous and metachronous primaries, diagnosing esophageal and upper gastrointestinal disorders, as well as performing certain office-based procedures. Perhaps most importantly, TNE is better able to navigate the anatomical and functional limitations common to the head and neck patient, which can prevent use of conventional transoral endoscopy. SUMMARY TNE has a significant role in the evaluation and management of the head and neck cancer patient and it enables the otolaryngologist to provide improved quality of care.
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Chung CS, Lo WC, Lee YC, Wu MS, Wang HP, Liao LJ. Image-enhanced endoscopy for detection of second primary neoplasm in patients with esophageal and head and neck cancer: A systematic review and meta-analysis. Head Neck 2015; 38 Suppl 1:E2343-9. [DOI: 10.1002/hed.24277] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2015] [Revised: 05/13/2015] [Accepted: 09/12/2015] [Indexed: 12/16/2022] Open
Affiliation(s)
- Chen-Shuan Chung
- Department of Internal Medicine; Far Eastern Memorial Hospital; Banciao District New Taipei City Taiwan
- College of Medicine; Fu Jen Catholic University; New Taipei City Taiwan
| | - Wu-Chia Lo
- Department of Otolaryngology; Far Eastern Memorial Hospital; Banciao District New Taipei City Taiwan
| | - Yi-Chia Lee
- Department of Internal Medicine; National Taiwan University Hospital; Taipei Taiwan
| | - Ming-Shiang Wu
- Department of Internal Medicine; National Taiwan University Hospital; Taipei Taiwan
| | - Hsiu-Po Wang
- Department of Internal Medicine; National Taiwan University Hospital; Taipei Taiwan
| | - Li-Jen Liao
- Department of Otolaryngology; Far Eastern Memorial Hospital; Banciao District New Taipei City Taiwan
- Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health; National Taiwan University; Taipei Taiwan
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Wang CP, Ko JY, Lee YC. A prospective randomized study comparing transnasal and peroral 5-mm ultrathin endoscopy. J Formos Med Assoc 2015; 115:218-9. [PMID: 26480809 DOI: 10.1016/j.jfma.2015.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2015] [Accepted: 09/08/2015] [Indexed: 10/22/2022] Open
Affiliation(s)
- Cheng-Ping Wang
- Department of Otolaryngology, National Taiwan University Hospital and National Taiwan University, College of Medicine, Taipei, Taiwan; Graduate Institute of Pathology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Jenq-Yuh Ko
- Department of Otolaryngology, National Taiwan University Hospital and National Taiwan University, College of Medicine, Taipei, Taiwan
| | - Yi-Chia Lee
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University, College of Medicine, Taipei, Taiwan.
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Ro TH, Mathew MA, Misra S. Value of screening endoscopy in evaluation of esophageal, gastric and colon cancers. World J Gastroenterol 2015; 21:9693-9706. [PMID: 26361416 PMCID: PMC4562953 DOI: 10.3748/wjg.v21.i33.9693] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Revised: 05/27/2015] [Accepted: 07/03/2015] [Indexed: 02/06/2023] Open
Abstract
Esophageal, gastric, and colorectal cancers are deadly diseases that continue to plague our world today. The value of screening endoscopy in evaluating these types of cancers is a critical area of discussion due to a potential reduction in morbidity and mortality. This article describes how to identify a good screening test and explains what are important criteria in the field of screening endoscopy. Furthermore, the current status and progress of screening endoscopy for esophageal, gastric, and colorectal cancer will be evaluated and discussed. Mass screening programs have not been implemented for esophageal and gastric carcinomas in those with average or low risk populations. However, studies of high-risk populations have found value and a cost-benefit in conducting screening endoscopy. Colorectal cancer, on the other hand, has had mass screening programs in place for many years due to the clear evidence of improved outcomes. As the role of endoscopy as a screening tool has continued to develop, newer technology and techniques have emerged to improve its utility. Many new image enhancement techniques and computer processing programs have shown promise and may have a significant role in the future of endoscopic screening. These developments are paving the way for improving the diagnostic and therapeutic capability of endoscopy in the field of gastroenterology.
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Lin PH, Wang CP, Lou PJ, Ko JY, Hsiao TY, Chen TC. Evaluation of swallowing disorders by use of transnasal esophagoscopy in patients treated for head and neck cancer. Head Neck 2015; 38 Suppl 1:E1137-43. [DOI: 10.1002/hed.24174] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/13/2015] [Indexed: 11/08/2022] Open
Affiliation(s)
- Pei-Hsuan Lin
- Department of Otolaryngology; National Taiwan University Hospital and National Taiwan University College of Medicine; Taipei Taiwan
- Department of Otolaryngology; National Taiwan University Hospital Yun-Lin Branch; Yun-Lin Taiwan
| | - Cheng-Ping Wang
- Department of Otolaryngology; National Taiwan University Hospital and National Taiwan University College of Medicine; Taipei Taiwan
- Graduate Institute of Pathology, College of Medicine; National Taiwan University; Taipei Taiwan
| | - Pei-Jen Lou
- Department of Otolaryngology; National Taiwan University Hospital and National Taiwan University College of Medicine; Taipei Taiwan
| | - Jeng-Yuh Ko
- Department of Otolaryngology; National Taiwan University Hospital and National Taiwan University College of Medicine; Taipei Taiwan
| | - Tzu-Yu Hsiao
- Department of Otolaryngology; National Taiwan University Hospital and National Taiwan University College of Medicine; Taipei Taiwan
| | - Tseng-Cheng Chen
- Department of Otolaryngology; National Taiwan University Hospital and National Taiwan University College of Medicine; Taipei Taiwan
- Department of Otolaryngology; National Taiwan University Hospital Yun-Lin Branch; Yun-Lin Taiwan
- Graduate Institute of Pathology, College of Medicine; National Taiwan University; Taipei Taiwan
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Ye-huan L, Shi-xu L, Yi-li Z, Ou-chen W, Xiao-hua Z. Unexpected esophageal diseases appeared in thyroid resections. World J Surg Oncol 2015; 13:131. [PMID: 25888936 PMCID: PMC4387597 DOI: 10.1186/s12957-015-0542-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2014] [Accepted: 03/07/2015] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVE In order to avoid the misdiagnosis of thyroid diseases, we need to discuss the clinical features and diagnostic methods of cervical esophageal cancer and Zenker's diverticulum. METHODS The clinical and laboratory data of seven cases were reviewed retrospectively, and in all cases, esophageal-related diseases were misdiagnosed as thyroid diseases preoperatively. Among them, two cases were cervical esophageal cancer metastasized to thyroids but initially, they were misdiagnosed as thyroid cancer. The other five cases were Zenker's diverticulum, but were originally diagnosed as nodular goiter, and two out of the five cases were found with calcification. They were all detected by ultrasound examination without any clinical feature of esophageal diseases. Previous literatures only reported five cases of thyroid metastasis and three cases of Zenker's diverticulum. RESULTS In both cases where cervical esophageal cancer metastasized to thyroid, anterior cervical neoplasm biopsy and surgical removal were performed followed by postoperative radiotherapy and chemotherapy. Both patients died from esophageal cancers in 7 and 15 months postoperatively. All five cases of Zenker's diverticulum received excision and repair without any postoperative complication or recurrence in the following 2 to 7 years. CONCLUSIONS Cervical esophageal cancer and Zenker's diverticulum may be misdiagnosed as thyroid disease. Careful and comprehensive diagnostic tests would be required to avoid misdiagnosis.
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Affiliation(s)
- Liu Ye-huan
- Department of Oncology, The First Affiliated Hospital of Wenzhou Medical University, South of Bai-xiang Street, Ou-hai District, 325000, Wenzhou, Zhejiang, People's Republic of China.
| | - Lyu Shi-xu
- Department of Oncology, The First Affiliated Hospital of Wenzhou Medical University, South of Bai-xiang Street, Ou-hai District, 325000, Wenzhou, Zhejiang, People's Republic of China.
| | - Zhou Yi-li
- Department of Oncology, The First Affiliated Hospital of Wenzhou Medical University, South of Bai-xiang Street, Ou-hai District, 325000, Wenzhou, Zhejiang, People's Republic of China.
| | - Wang Ou-chen
- Department of Oncology, The First Affiliated Hospital of Wenzhou Medical University, South of Bai-xiang Street, Ou-hai District, 325000, Wenzhou, Zhejiang, People's Republic of China.
| | - Zhang Xiao-hua
- Department of Oncology, The First Affiliated Hospital of Wenzhou Medical University, South of Bai-xiang Street, Ou-hai District, 325000, Wenzhou, Zhejiang, People's Republic of China.
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Hung SH, Tsai MC, Liu TC, Lin HC, Chung SD. Routine endoscopy for esophageal cancer is suggestive for patients with oral, oropharyngeal and hypopharyngeal cancer. PLoS One 2013; 8:e72097. [PMID: 23977217 PMCID: PMC3744481 DOI: 10.1371/journal.pone.0072097] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2013] [Accepted: 07/07/2013] [Indexed: 02/06/2023] Open
Abstract
Background This study attempted to reveal the incidence and risk of synchronous and metachronous esophageal cancer in subjects with oral, oropharyngeal and hypopharyngeal cancer based on a population-wide database in Taiwan. Methods We retrieved data for this cross-sectional study from the Taiwanese Longitudinal Health Insurance Database 2000. The study group included 2,965 subjects who had received their first-time diagnosis of oral/oropharyngeal/hypopharyngeal cancer in 2002∼2009. We assigned the date of their first diagnosis of oral/oropharyngeal/hypopharyngeal cancer as the index date. We also randomly retrieved 29,650 comparison subjects matched with the study subjects in terms of gender and age group. We assigned their first medical utilization that occurred in the index year as the index date for the comparison group. We further performed a conditional logistic regression to investigate the association between esophageal cancer and oral cancer. Results Results showed that prevalences of esophageal cancer within 3 months before and after the index date were respectively 2.19% and 0.04% for the study and comparison groups. A conditional logistic regression revealed that the odds ratio (OR) of esophageal cancer for subjects with oral/oropharyngeal/hypopharyngeal cancer was 55.33 (95% confidence interval (CI): 29.86∼102.52) compared to comparison subjects. Furthermore, compared to comparison subjects, ORs for esophageal cancer were respectively 18.41 (95% CI: 8.50–39.85), 40.49 (95% CI: 15.11∼108.64), and 240.96 (95% CI: 125.49–462.69) for study subjects with a malignancy of the oral cavity, oropharynx, and hypopharynx. Conclusion We concluded that there were relatively high chances for synchronous and metachronous esophageal cancers being detected through panendoscopy in patients with oral, oropharyngeal, and hypopharyngeal cancers. The routine use of panendoscopy in such patients should be encouraged with a higher priority.
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Affiliation(s)
- Shih-Han Hung
- Department of Otolaryngology, Taipei Medical University Hospital, Taipei, Taiwan
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