introduction: choristoma is defined as the presence of cells in abnormal locations due to defects during embryological development. the word choristoma implies a neoplasm; whereas heterotopia refers to a displaced tissue without necessarily being a swelling or a neoplasm. literature contains reports of cartilaginous choristoma in the cervix, endometrium, breast tissue, and oral region.   case r...

lymphoepithelial cyst of oral cavity is a rare cystic lesion that presents as an asymptomatic submucosal mass and is usually discovered during routine dental examinations. the site most commonly affected is floor of the mouth and tonsillar involvement seems to be very rare. multiple lymphoepithelial cysts have been reported in parotid of hiv positive patients however in oral cavity they usually...