[Histopathological study of testicular tumor].
D002822:Choriocarcinoma / Q000473:pathology*; D004407:Dysgerminoma / Q000473:pathology*; D006801:Humans; D008297:Male; D013724:Teratoma / Q000473:pathology*; D013736:Testicular Neoplasms / Q000473:pathology*