title: The caput medusae sign.
authors.affiliation: Department of Radiology, Mercy Hospital of Pittsburgh, PA 15219, USA.
authors.forename: P R
authors.initials: PR
authors.lastname: Saba
mesh_terms: D002550:Cerebral Veins / Q000000981:diagnostic imaging / Q000473:pathology; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000175:diagnosis*; D018810:Magnetic Resonance Angiography; D014057:Tomography, X-Ray Computed