Arteriovenous fistula or giant aneurysm.
Wilson
C B
CB
Hieshima
G B
GB
D001164:Arteriovenous Fistula / Q000175:diagnosis*; D002560:Cerebrovascular Circulation; D003937:Diagnosis, Differential; D004388:Dura Mater / Q000098:blood supply; D006801:Humans; D002532:Intracranial Aneurysm / Q000175:diagnosis*