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testicular Leydig cell tumor

Disease Summary
Associated Targets ()

Mondo Description A sex cord-stromal tumor that arises from the testis and is characterized by the presence of cells that resemble the successive stages of development of Leydig cells. It usually presents as a painless testicular mass. Gynecomastia is present in approximately thirty percent of the cases. Libido may be decreased. In children, precocious puberty may be present. A minority of cases exhibit malignant characteristics.
Mondo Term and Equivalent IDs
MONDO:0003124:  testicular Leydig cell tumor
EFO:1000569: 
NCIT:C6356: 
SCTID:67871000119105: 
UMLS:C0863027: