title: Splitting of the oculomotor nerve by the posterior communicating artery--case report.
abstract: A 62-year-old woman presented with subarachnoid hemorrhage manifesting as sudden onset of headache, but without visual symptoms or extraocular movement disturbances. Computed tomography angiography showed a 7-mm size aneurysm originating from the internal carotid-posterior communicating artery (PcomA). After the neck of the aneurysm was clipped, the PcomA was confirmed to have split the oculomotor nerve. Splitting of the oculomotor nerve by the PcomA was probably caused by arterial blood pulsation in the tortuous PcomA.
authors.affiliation: Department of Neurosurgery, Chonnam National University Hospital & Medical School, Gwangju, R.O.K.
authors.forename: Sung-Pil
authors.initials: SP
authors.lastname: Joo
authors.forename: Tae-Sun
authors.initials: TS
authors.lastname: Kim
authors.forename: Bo-Ra
authors.initials: BR
authors.lastname: Seo
mesh_terms: D001794:Blood Pressure / Q000502:physiology; D002340:Carotid Artery Diseases / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology*; D002533:Cerebral Angiography; D002560:Cerebrovascular Circulation / Q000502:physiology; D002941:Circle of Willis / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000473:pathology*; D005260:Female; D006261:Headache / Q000209:etiology; D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology*; D008875:Middle Aged; D009802:Oculomotor Nerve / Q000002:abnormalities* / Q000503:physiopathology; D013345:Subarachnoid Hemorrhage / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome; D014656:Vascular Surgical Procedures / Q000295:instrumentation / Q000379:methods