the reasons for radiologic evaluation of patients with cerebrovascular accidents , or strokes , and transient ischemic attacks are ( 1 ) to demonstrate surgically correctable vascular lesions and intracerebral masses due to hematomas and ( 2 ) when necessary , to confirm a diagnosis of atherosclerotic brain disease and rule out the presence of such conditions as subdural hematoma , aneurysm , arteriovenous malformation , or tumor .
C0577559
masses
C0027651
tumor