Cavernous malformations, also known as "cavernous angiomas," "cavernous hemangiomas" or just "cavernomas" are clusters of tightly packed abnormal blood vessels surrounded by normal brain tissue.

A cerebral angiogram performed the next week revealed a high-flow left internal carotid artery (ICA) cavernous fistula with marked cortical venous drainage, retrograde flow to the left ophthalmic ...