title: A case of giant ecchordosis physaliphora: a case report and literature review.
abstract: OBJECTIVE
  To report a case of a giant ecchordosis physaliphora causing local bone remodelling.
  
  
  METHODS
  A 45 year old man, who presented with sudden sensorineural hearing loss.
  
  
  METHODS
  Transpetrosal approach to resect a midline prepontine mass.
  
  
  METHODS
  Radiological and histological findings.
  
  
  CONCLUSIONS
  The distinction between giant ecchordosis physaliphora and intradural chordoma is questioned and exemplified by our case. It is possible they represent the same entity of disease, which must be distinguished from classical malignant osseous (extradural) chordoma.
authors.affiliation: Department of Otolaryngology and Head and Neck Surgery, Sir Charles Gairdner Hospital, Western Australia, Australia. shanus@iinet.net.au
authors.forename: Shane S
authors.initials: SS
authors.lastname: Ling
authors.forename: Chady
authors.initials: C
authors.lastname: Sader
authors.forename: Peter
authors.initials: P
authors.lastname: Robbins
authors.forename: Gunesh P
authors.initials: GP
authors.lastname: Rajan
mesh_terms: D001842:Bone and Bones / Q000473:pathology; D020295:Brain Stem Neoplasms / Q000150:complications* / Q000473:pathology / Q000601:surgery; D002817:Chordoma / Q000150:complications* / Q000473:pathology / Q000601:surgery; D006319:Hearing Loss, Sensorineural / Q000209:etiology; D003639:Hearing Loss, Sudden / Q000209:etiology; D006801:Humans; D007150:Immunohistochemistry; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D009460:Neurologic Examination