title: Isosexual precocious puberty in a 9-year-old boy: nodular interstitial cell hyperplasia.
mesh_terms: D002648:Child; D006801:Humans; D006965:Hyperplasia; D007984:Leydig Cell Tumor / Q000150:complications*; D007985:Leydig Cells / Q000473:pathology; D008297:Male; D011629:Puberty, Precocious / Q000209:etiology*; D013736:Testicular Neoplasms / Q000150:complications*; D013737:Testis / Q000473:pathology; D013739:Testosterone / Q000097:blood
chemical_list: D013739:Testosterone