Bilateral gonadoblastomas with a left sided dysgerminoma in a true hermaphrodite (disorder of sexual differentiation) with 46, XY karyotype.

Ovotesticular DSD is not an uncommon disorder. The presence of Y chromosome confers a high risk of neoplastic transformation in dysgenetic gonads. The neoplastic development in these patients is associated with the presence of Y chromosome and intra abdominal location of the abnormal gonad. We report histogenetic details of a rare occurrence of bilateral gonadoblastomas and left sided dysgerminoma in a XY ovotestes DSD (disorder of sexual differentiation) in an 18 year old with a female phenotype.