title: [Uncommon tumors of the petrous bone. 4 cases (author's transl)].
abstract: Four cases of uncommon tumours of the petrous bone treated by surgery alone or combined with radiotherapy are reported. There was one case embryonic sarcoma in a 3-year-old female child and one case each of chondroid chordoma, isolated plasmocytoma and malignant fibroid chondrosarcoma or histiocytoma with giant cells. The signal symptoms (pseudo-petrositis, isolated paralysis of a vocal cord, sudden deafness) may be misleading. The most helpful diagnostic methods are frontal tomography and CT scanning.
mesh_terms: D002675:Child, Preschool; D002812:Chondroma / Q000473:pathology; D002813:Chondrosarcoma / Q000473:pathology; D002817:Chordoma / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D008637:Mesenchymoma / Q000473:pathology; D008875:Middle Aged; D010579:Petrous Bone / Q000473:pathology*; D010954:Plasmacytoma / Q000473:pathology; D011379:Prognosis; D012888:Skull Neoplasms / Q000473:pathology*
vernacular_title: Tumeurs rares du Rocher. A propos de 4 observations.