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