title: [Dedifferentiated (sarcomatoid) chordoma in the base of the skull. Report of a case].
abstract: We report a case of "dedifferentiated" chordoma occurring in a 31-year-old man and involving the base of the skull. Morphologically, the tumor was characterized by a bifasic pattern (classical chordoma associates to sarcoma-like areas), and by coexpression of epithelial and stromal markers. Because of these traits, we believe this case shows features superimposable to those seen in sarcomatoid carcinoma.
authors.affiliation: Sezione di Anatomia, Istologia e Citologia Patologica M. Malpighi, Università di Bologna, Sede distaccata Ospedale Bellaria.
authors.forename: L
authors.initials: L
authors.lastname: Losi
authors.forename: G
authors.initials: G
authors.lastname: Tomasich
mesh_terms: D000328:Adult; D002817:Chordoma / Q000473:pathology*; D006801:Humans; D008297:Male; D019292:Skull Base Neoplasms / Q000473:pathology*