Cavernous angioma natural history, complications and prognosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

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Complications

The risk of hemorrhage is not well established, but it is estimated to be 0.2-2% per lesion per year. This risk is increased in patients with established prior hemorrhage.

Prognosis

The lesions do not usually produce life-threatening hemorrhages because most hemorrhages associated with the lesions are small and of low pressure. Cavernous malformations can occur at any age, but they are most likely to become clinically apparent in patients aged 20-40 years.