title: [Malignant Leydig cell tumor].
abstract: A case of malignant Leydig cell tumor is reported. The best feature of malignancy of this rare tumor is the presence of vascular invasion. An immunohistochemical study is presented and the differential diagnosis is discussed.
authors.affiliation: Centre d'Anatomie et de Cytologie Pathologiques, Angers.
authors.forename: S
authors.initials: S
authors.lastname: Kettani
authors.forename: A
authors.initials: A
authors.lastname: Fondimare
authors.forename: S
authors.initials: S
authors.lastname: Guyetant
authors.forename: R
authors.initials: R
authors.lastname: Faye
authors.forename: G
authors.initials: G
authors.lastname: Bertrand
mesh_terms: D000328:Adult; D002830:Choroid Neoplasms / Q000556:secondary / Q000628:therapy; D003131:Combined Modality Therapy; D017809:Fatal Outcome; D006801:Humans; D007984:Leydig Cell Tumor / Q000473:pathology* / Q000601:surgery; D008113:Liver Neoplasms / Q000556:secondary / Q000628:therapy; D008207:Lymphatic Metastasis; D008297:Male; D009919:Orchiectomy; D013736:Testicular Neoplasms / Q000473:pathology* / Q000601:surgery
vernacular_title: Tumeur maligne à cellules de Leydig.