title: Unusual segmental cerebrovascular changes.
mesh_terms: D000293:Adolescent; D000368:Aged; D000755:Anemia, Sickle Cell / Q000150:complications*; D001932:Brain Neoplasms / Q000150:complications*; D002533:Cerebral Angiography; D002539:Cerebral Arterial Diseases / Q000000981:diagnostic imaging* / Q000209:etiology; D005260:Female; D006801:Humans; D016403:Lymphoma, Large B-Cell, Diffuse / Q000150:complications*; D008297:Male; D013589:Syphilis, Cardiovascular / Q000000981:diagnostic imaging*