Cavernous Malformation

A cavernous malformation (CM) is an abnormal cluster of capillaries and venules (tiny blood vessels) that periodically bleed and give rise to a “popcorn-like” lesion in the brain or spinal cord with very thin walls that contains blood of different ages. CMs are also known as cavernomas, cavernous angiomas, cavernous hemangiomas or capillary hemangiomas.

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