title: Nasal osteogenic chondrosarcoma: a case report.
abstract: BACKGROUND
  Osteosarcomas and chondrosarcomas are the most common malignancies of the jaw bones. Nasal osteogenic chondrosarcoma is rarely reported.
  
  
  OBJECTIVE
  To draw attention to a rare tumour, osteogenic chondrosarcoma.
  
  
  METHODS
  A middle aged woman presented with a three month history of nasal blockade and mucopurulent discharge. She was fully clinically evaluated including anterior rhinoscopy and plain radiograph.
  
  
  RESULTS
  Detailed history, physical examination and plain radiography showed features suggestive of antrochoanal polyp with differential diagnoses of sino nasal and nasopharyngeal tumour. At emergency tracheostomy, examination under anaesthesia, meticulous nasal and nasopharyngeal tumour clearance was done. Histopathological examination of the mass revealed osteogenic chondrosarcoma.
  
  
  CONCLUSIONS
  Though rare, osteogenic chondrosarcoma affects nasal bones. Clinically the tumour mimicks an antro-choanal polyp and is associated with the challenge of recurrence.
authors.affiliation: Department of Pathology University of Ilorin of Teaching Hospital Ilorin, Kwara State. Nigeria. banjiadeniji2k7@yahoo.com
authors.forename: K A
authors.initials: KA
authors.lastname: Adeniji
authors.forename: S
authors.initials: S
authors.lastname: Segun-Busari
authors.forename: F E
authors.initials: FE
authors.lastname: Ologe
authors.forename: O O
authors.initials: OO
authors.lastname: Ibrahim
authors.forename: B S
authors.initials: BS
authors.lastname: Alabi
authors.forename: A D
authors.initials: AD
authors.lastname: Dunmade
mesh_terms: D002813:Chondrosarcoma / Q000473:pathology* / Q000601:surgery; D017809:Fatal Outcome; D005260:Female; D006801:Humans; D008875:Middle Aged; D009295:Nasal Bone / Q000601:surgery; D009669:Nose Neoplasms / Q000473:pathology* / Q000601:surgery