title: Angiographically demonstrated larger vascular malformation in a patient with a normal angiogram 23 years before.
mesh_terms: D000328:Adult; D002533:Cerebral Angiography; D002675:Child, Preschool; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000000981:diagnostic imaging*; D008297:Male; D014057:Tomography, X-Ray Computed