Hydatid Cyst of Tongue: A Diagnostic Challenge

Abstract

Introduction
 Hydatid disease or human cystic echinococcosis is a parasitic zoonosis, endemic in the cattle and dog rearing region worldwide as well as in some parts of India.Cystic echinococcosis affects mostly the liver and lung (80%), but tongue is one of the very rare sites.
 Case Report
 A 10 year old boy had presented with an isolated cystic lesion in tongue, which was expelled spontaneously with no residual lesion. On detailed examination, no other site in the body was involved.
 Discussion
 Parasitic cyst of the tongue is rare entity. Microbiological and histopathological examination helped clinch the diagnosis Hydatid cyst should be considered as a differential diagnosis in isolated cystic lesion of tongue, especially in the risk group.