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.
« Back to Glossary Index