Is testosterone involved in the initiation of spermatogenesis in humans? A clinicopathological presentation and physiological considerations in four patients with Leydig cell tumours of the testis or secondary Leydig cell hyperplasia.
D001932:Brain Neoplasms / Q000150:complications; D002648:Child; D002675:Child, Preschool; D006062:Gonadotropins / Q000097:blood; D006801:Humans; D006965:Hyperplasia / Q000209:etiology; D007984:Leydig Cell Tumor / Q000473:pathology*; D007985:Leydig Cells / Q000473:pathology*; D008297:Male; D012707:Sertoli Cell Tumor / Q000473:pathology; D013091:Spermatogenesis; D013736:Testicular Neoplasms / Q000473:pathology*; D013739:Testosterone / Q000502:physiology*
D006062:Gonadotropins; D013739:Testosterone