title: Occult malformation with anomalous venous drainage.
authors.forename: J R
authors.initials: JR
authors.lastname: Robinson
authors.forename: A P
authors.initials: AP
authors.lastname: Brown
authors.forename: R F
authors.initials: RF
authors.lastname: Spetzler
mesh_terms: D002426:Cavernous Sinus / Q000002:abnormalities; D002550:Cerebral Veins / Q000002:abnormalities*; D006801:Humans; D002538:Intracranial Arteriovenous Malformations