title: [A case of enlarged infundibular dilatation diagnosed by vertebral angiograms with carotid compression and neuroendoscope].
abstract: A case of enlarged infundibular dilatation diagnosed by vertebral angiograms with carotid compression was reported. A 57-year-old woman suffered from headache. She underwent MRA which revealed left internal carotid artery aneurysm. Left common carotid angiograms suggested a left saccular internal carotid artery aneurysm (4 mm x 6 mm) without a posterior communicating artery. However, it was confirmed to be an enlarged infundibular dilatation on left vertebral angiograms with carotid compression. It was confirmed at operation microscopically and neuroendoscopically, and the dilatation was treated by coating. When carotid angiograms reveal no posterior communicating artery, it is difficult to differentiate the origin of posterior communicating artery from internal carotid artery-posterior communicating artery junction aneurysms. Vertebral angiograms with carotid compression is useful for the differentiation for the exact diagnosis.
authors.affiliation: Department of Neurosurgery, School of Medicine, Keio University, Shinjuku, Japan.
authors.forename: M
authors.initials: M
authors.lastname: Katayama
authors.forename: T
authors.initials: T
authors.lastname: Ohira
authors.forename: S
authors.initials: S
authors.lastname: Onozuka
authors.forename: K
authors.initials: K
authors.lastname: Mayanagi
authors.forename: A
authors.initials: A
authors.lastname: Fukunaga
authors.forename: K
authors.initials: K
authors.lastname: Akaji
authors.forename: T
authors.initials: T
authors.lastname: Kawase
mesh_terms: D000783:Aneurysm / Q000175:diagnosis*; D001111:Arcuate Nucleus of Hypothalamus / Q000473:pathology; D002340:Carotid Artery Diseases / Q000175:diagnosis*; D002343:Carotid Artery, Internal; D003937:Diagnosis, Differential; D004108:Dilatation, Pathologic / Q000175:diagnosis; D004724:Endoscopy; D005260:Female; D006801:Humans; D008875:Middle Aged; D009408:Nerve Compression Syndromes / Q000175:diagnosis*; D011859:Radiography; D014711:Vertebral Artery / Q000000981:diagnostic imaging*