RESOLUTION OF HIV-ASSOCIATED CYSTIC BENIGN LYMPHOEPITHELIAL LESION OFTHE PAROTID-GLAND IN A PATIENT UNDERGOING CHEMOTHERAPY FOR NON-HODGKINS-LYMPHOMA

Cystic benign lymphoepithelial lesion, a previously rare lesion of the parotid gland characterized by multiple cysts accompanied by marked l ymphoid hyperplasia, is increasingly reported in patients with human i mmunodeficiency virus infection. The case of a 59-year-old man without identifiable risk factors for the acquired immunodeficiency syndrome is presented, in whom the development of cystic benign lymphoepithelia l lesions led to the diagnosis of the underlying human immunodeficienc y virus infection, The lymphoepithelial lesion remained unchanged for 8 years. When chemotherapy was instituted for abdominal non-Hodgkin's lymphoma all cystic lesions resolved completely. This previously undes cribed phenomenon strongly supports the concept that the development o f the cysts is secondary to the mechanical obstruction of salivary duc ts caused by lymphoid hyperplasia and not due to true de novo cyst for mation.