title: Retro-tympanic pulsatile mass originating from dumb-bell jugular foramen schwannoma.
abstract: BACKGROUND
  Jugular foramen (JF) tumours are uncommon with paraganglioma, schwannoma and meningioma occurring most commonly in this location. JF schwannoma with extension to the retro-tympanic area has been described only once.
  
  
  METHODS
  20-year-old man presented with headache, blurred vision, vomiting and diplopia.
  
  
  RESULTS
  A left pulsatile retro-tympanic mass was seen at otoscopy. A jugular foramen tumour was found on CT and MR images. The intracranial portion of the tumour later diagnosed as schwannoma was removed. Control ENT examination confirmed that the residual retro-tympanic mass was no-longer pulsatile.
  
  
  CONCLUSIONS
  Jugular foramen schwannomas may also extend into the retro-tympanic area.
authors.affiliation: Department of Neurosurgery, MESA Hospital, Ankara, Turkey. bulentbanrs@yahoo.com
authors.forename: B
authors.initials: B
authors.lastname: Bakar
authors.forename: A K
authors.initials: AK
authors.lastname: Percin
authors.forename: I H
authors.initials: IH
authors.lastname: Tekkok
mesh_terms: D000055:Accessory Nerve / Q000473:pathology / Q000503:physiopathology; D000328:Adult; D001259:Ataxia / Q000209:etiology / Q000473:pathology / Q000503:physiopathology; D002533:Cerebral Angiography; D003390:Cranial Nerve Neoplasms / Q000473:pathology* / Q000503:physiopathology / Q000601:surgery; D004432:Ear, Middle / Q000033:anatomy & histology / Q000000981:diagnostic imaging / Q000473:pathology; D034381:Hearing Loss / Q000209:etiology / Q000473:pathology / Q000503:physiopathology; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008866:Microsurgery; D009442:Neurilemmoma / Q000473:pathology* / Q000503:physiopathology / Q000601:surgery; D019635:Neurosurgical Procedures; D009777:Occipital Bone / Q000033:anatomy & histology / Q000000981:diagnostic imaging / Q000473:pathology; D019292:Skull Base Neoplasms / Q000473:pathology* / Q000503:physiopathology / Q000601:surgery; D013701:Temporal Bone / Q000033:anatomy & histology / Q000000981:diagnostic imaging / Q000473:pathology*; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome; D014630:Vagus Nerve / Q000473:pathology / Q000503:physiopathology