title: Leydig cell tumor of the testis: report of a case.
mesh_terms: D006177:Gynecomastia / Q000209:etiology; D006801:Humans; D007984:Leydig Cell Tumor / Q000175:diagnosis / Q000473:pathology* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D013736:Testicular Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000503:physiopathology; D013737:Testis / Q000473:pathology