title: Cystic schwannoma of the trochlear nerve mimicking a brain-stem tumor. Case report.
abstract: A case is reported of a rare cystic schwannoma of the fourth cranial nerve which was interpreted as a probable intrinsic brain-stem lesion. The clinical approach to brain-stem tumors in terms of empirical treatment or surgical biopsy is discussed.
authors: Department of Pathology, Royal Prince Alfred Hospital, New South Wales, Australia.
authors: P D
authors: PD
authors: Garen
authors: C G
authors: CG
authors: Harper
authors: C
authors: C
authors: Teo
authors: I H
authors: IH
authors: Johnston
mesh_terms: D000293:Adolescent; D001932:Brain Neoplasms / Q000175:diagnosis*; D001933:Brain Stem; D003560:Cysts / Q000175:diagnosis* / Q000601:surgery; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D009442:Neurilemmoma / Q000175:diagnosis* / Q000601:surgery; D010524:Peripheral Nervous System Neoplasms / Q000175:diagnosis* / Q000601:surgery; D014321:Trochlear Nerve / Q000473:pathology* / Q000601:surgery