title: Pathologic quiz case 2. Mesenchymal chondrosarcoma.
authors.forename: J F
authors.initials: JF
authors.lastname: Piccirillo
authors.forename: S M
authors.initials: SM
authors.lastname: Parnes
mesh_terms: D000328:Adult; D002813:Chondrosarcoma / Q000473:pathology* / Q000556:secondary; D004432:Ear, Middle / Q000473:pathology; D006801:Humans; D008297:Male; D012888:Skull Neoplasms / Q000473:pathology*