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 ORIGINAL ARTICLE
Year : 2015  |  Volume : 52  |  Issue : 1  |  Page : 53-56

Synchronous primary cancers in the head and neck region and upper aero digestive tract: Role of triple endoscopy


1 Department of Head and Neck Oncology, Dr. B Borooah Cancer Institute, Guwahati, Assam, India
2 Department of Head and Neck Oncology, Hospital Based Cancer Registry, Dr. B Borooah Cancer Institute, Guwahati, Assam, India

Correspondence Address:
M Krishnatreya
Department of Head and Neck Oncology, Dr. B Borooah Cancer Institute, Guwahati, Assam
India
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Source of Support: National Centre for Disease Informatics and Research (ICMR) for providing financial support towards the cancer registry at our institute., Conflict of Interest: None


DOI: 10.4103/0019-509X.175560

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Background: Patients with cancers in the head and region are at increased risk of developing synchronous primary cancers. AIM: The aim of this study is to see the role of endoscopy in the pre-therapeutic works-up of patients with the cancers in the head and neck region. Materials And Methods: Data of head and neck cancer patients from January 2010 to December 2011 were obtained from the hospital cancer registry for retrospective analysis of patients with synchronous cancers. All synchronous malignancies were analyzed for distribution of sites, association with smoking history and the average age of patients at presentation with synchronous cancers. The Chi-square test for association of upper aero digestive tract (UADT) and smoking and statistical formula of mode for average age have been employed for analyzing results. Results: Incidence of synchronous primaries has been found to be 1.43% and mostly males were affected. The common index sites for synchronous primaries are oropharynx 22 (36.6%), oral cavity 14 (23.3%), hypopharyx 12 (20%) and larynx eight (13.3%) cases in decreasing order, 58.3% synchronous occurred at esophagus and 0.83% of all head and neck cancers developed synchronous primary at esophagus. Association of UADT synchronous cancers with smoking (odds ratio = 13.42, Chi-square 7.12 at 95% confidence interval, P = 0.0076) is highly significant and the average age is 62.6 years in males and 62 years in females. Conclusion: Endoscopy can be rationally used during the pre-therapeutic work-up of patients with a history of smoking and/or in patients over the age of 62 years. Instead of complete upper gastro intestinal endoscopy up to the second part of duodenum, only esophagoscopy is needed for the detection of synchronous primary of upper aero-digestive tract in cancers of the head and neck region.






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