Cavernous angioma MRA

Cavernous angioma Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Edzel Lorraine Co, D.M.D., M.D.

Overview

• Sometimes the lesion appearance imaged by MRI remains inconclusive.
• Consequently neurosurgeons will order a cerebral angiogram or magnetic resonance angiogram (MRA).
• Since CCMs are low flow lesions (they are hooked into the venous side of the circulatory system), they will be angiographically occult (invisible).
• If a lesion is discernible via angiogram in the same location as in the MRI, then an arteriovenous malformation (AVM) becomes the primary concern.