Digital subtraction angiography.
Digital subtraction angiography (DSA) is an alternative method for imaging the cerebral vasculature. Intravenous DSA is used primarily for evaluating the common carotid bifurcation. The superior image quality of arterial DSA makes it more suitable for studying intracranial arteriovenous malformations, aneurysms, and tumor circulation.
D001932:Brain Neoplasms / Q000000981:diagnostic imaging; D002340:Carotid Artery Diseases / Q000000981:diagnostic imaging; D002533:Cerebral Angiography / Q000379:methods*; D002561:Cerebrovascular Disorders / Q000000981:diagnostic imaging*; D006801:Humans; D002537:Intracranial Arteriosclerosis / Q000000981:diagnostic imaging; D002538:Intracranial Arteriovenous Malformations / Q000000981:diagnostic imaging; D013382:Subtraction Technique; D014715:Vertebrobasilar Insufficiency / Q000000981:diagnostic imaging