title: Pathologic quiz case: a testicular mass in a 19-year-old man.
authors.affiliation: Department of Pathology, Allegheny General Hospital, Pittsburgh, PA, USA.
authors.forename: J
authors.initials: J
authors.lastname: Mangini
authors.forename: P R
authors.initials: PR
authors.lastname: Olson
mesh_terms: D000312:Adrenal Hyperplasia, Congenital / Q000150:complications* / Q000175:diagnosis; D000328:Adult; D014408:Biomarkers, Tumor / Q000032:analysis; D003937:Diagnosis, Differential; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D006801:Humans; D006854:Hydrocortisone / Q000032:analysis; D007150:Immunohistochemistry; D007984:Leydig Cell Tumor / Q000175:diagnosis; D008247:Lysosomes / Q000648:ultrastructure; D008297:Male; D008928:Mitochondria / Q000648:ultrastructure; D011629:Puberty, Precocious / Q000209:etiology*; D013736:Testicular Neoplasms / Q000150:complications / Q000473:pathology* / Q000601:surgery; D013739:Testosterone / Q000032:analysis
chemical_list: D014408:Biomarkers, Tumor; D013739:Testosterone; D006854:Hydrocortisone