title: Fourth Ventricular AVM with Transdural Drainage.
abstract: Arteriovenous malformations (AVMs) of the fourth ventricle are exceptionally rare subtypes of brainstem AVMs. This report illustrates the case of a young man who suffered intraventricular and subarachnoid hemorrhage. Angiography depicted a fourth ventricular AVM that was supplied by branches of the right posterior inferior cerebellar artery and drained via a posterior medullary midline vein into the marginal sinus and cervical radicular and nuchal veins. The drainage pattern is highly uncommon and constitutes a particular challenge for the operative approach.
authors.affiliation: Department of Neurosurgery, University Hospital Wuerzburg, Wuerzburg, Germany.
authors.forename: Thomas
authors.initials: T
authors.lastname: Westermaier
authors.affiliation: Department of Neurosurgery, University Hospital Wuerzburg, Wuerzburg, Germany.
authors.forename: Thomas
authors.initials: T
authors.lastname: Linsenmann
authors.affiliation: Department of Neurosurgery, University Hospital Wuerzburg, Wuerzburg, Germany.
authors.forename: Michael
authors.initials: M
authors.lastname: Keupp
authors.affiliation: Department of Neurosurgery, University Hospital Wuerzburg, Wuerzburg, Germany.
authors.forename: Thomas
authors.initials: T
authors.lastname: Guenthner-Lengsfeld
authors.affiliation: Department of Neurosurgery, University Hospital Wuerzburg, Wuerzburg, Germany.
authors.forename: Ralf-Ingo
authors.initials: RI
authors.lastname: Ernestus
authors.affiliation: Department of Neurosurgery, University Hospital Wuerzburg, Wuerzburg, Germany.
authors.forename: Laszlo
authors.initials: L
authors.lastname: Solymosi
mesh_terms: D020546:Fourth Ventricle / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000000981:diagnostic imaging / Q000601:surgery*; D008279:Magnetic Resonance Imaging; D008297:Male; D016896:Treatment Outcome; D055815:Young Adult