Colonic phenotype of adenocarcinoma base of the tongue: An entity rarely reported and treated with definitive chemoradiation

Neelam Sharma, Abhishek Purkayastha, Chhavi Arora, Kavita Sahai

International Journal of Oral Health Sciences 2018 8(2):116-119

The predominant histological type of oropharyngeal cancer is squamous cell carcinoma and approximately 9 times more frequent when compared with other types. Adenocarcinoma common histopathology for digestive system is very rarely reported in this region. In literature, there are limited data about the clinical presentation, histopathology, and treatment modalities for the primary adenocarcinoma of the base of the tongue (BOT). To the best of our knowledge, five cases of adenocarcinoma of the BOT with colonic differentiation have been reported in the world literature till date, and this is the first case report from India. The challenge in these type of cases is to differentiate between the primary adenocarcinoma of BOT which is extremely rare, metastatic lesion to this site from any other site, or its origin from minor salivary glands which is a more common possibility because all these situations have different treatment implications.

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