has characteristic has characteristic Juvenile onset testicular granulosa cell tumor juvenile type testicular granulosa cell tumor https://www.malacards.org/card/juvenile_type_testicular_granulosa_cell_tumor A rare sex cord-stromal tumor that arises from the testis. It is the most frequent congenital testicular neoplasm and is usually diagnosed during the perinatal period. It usually presents as an asymptomatic scrotal or abdominal mass. Morphologically it is characterized by the presence of cysts that are lined by cells resembling granulosa and theca cells. UMLS:C1515285 juvenile granulosa cell tumour (morphologic abnormality) MEDGEN:308257 NCIT:C39947 juvenile granulosa cell tumor juvenile granulosa cell tumor (morphologic abnormality) MONDO:0003741 DOID:6032 juvenile type granulosa cell neoplasm juvenile type granulosa cell tumor juvenile type granulosa cell tumour GARD:0023644 juvenile granulosa cell tumour