A brain arteriovenous malformation (AVM) is an abnormal tangle of unusually formed blood vessels in the brain (Figure 1). Over time, these vessels can weaken and bleed into the brain itself. Brain ...

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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.

Pelvic angiogram obtained after embolization showing non-opacification of the arteriovenous malformation.

[26] Subsequent uterine artery embolization resulted in complete disappearance of the AVM, and normal cycles were resumed 3 months later. The authors concluded that gonadotropin-releasing hormone ...