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Cavernous Malformations (Cavernomas)

Cavernous hemangioma is known as cavernoma, cavernous angioma, and angioma. Located inside the brain but does not contain brain tissue,  lack of a large feeding artery or drainage vein,  benign vascular consisting of irregular thick and thin-walled vascular channels is a mass. It is generally 1-5 cm in size. There may be more than one in half of the cases. It may bleed, calcify (calcified), or become blocked with a clot (thrombosed). The cavernomas are filled with bleeding blood  elements from different periods. It has an incidence of 0.02-0.13%. It can be hereditary or it can occur later. They are low-flow lesions.



With seizure (60%) (new seizure development rate 2.4%/year), progressive neurological impairment (50%), bleeding (20%) (total bleeding risk ≈ 2.6-3.1%/year), and _cc781905- It presents with 5cde-3194-bb3b-136bad5cf58d_hydrocephalus. It can also be found randomly.



It is not usually visible on angiography but can be demonstrated on MRI or seen on CT (especially with contrast). Surrounded by hemosiderin, which indicates minor bleeding. 



Treatment is controversial. Surgery is the best choice for symptomatic and accessible lesions, and radiosurgery can reduce the risk of bleeding in inaccessible lesions.

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