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Cerebral Cavernous Malformations Over Time: What We’re Learning from a Natural History Study
Cerebral cavernous malformations (CCMs) are abnormally enlarged spaces in the brain where blood collects near irregularly shaped, enlarged capillaries (tiny blood vessels) which have abnormally thin walls prone to leaking. Symptoms include headaches, seizures, paralysis, hearing or vision loss, and cerebral hemorrhaging (brain bleeds).


