Adult-type granulosa cell tumor of the testicle: case report.

Granulosa cell tumor (GCT) is a sex-cord neoplasm of the gonads classified into either juvenile (jGrCT) or adult type (aGrCT). It is commonly arising in ovaries but is much rarer in men, with only around 50 male cases previously reported in the literature. We report on a 54-year-old male patient with a right testicular GCT measuring 10.