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how hereditary is a cavernoma

My mom had two "anurisms" which we now believe were actually cavernous hemangiomas, My little brother had two of these cavernomas show up at age 21. one was removed. Now he has two more. He has accompanied seizures with this. Also his daughter, my niece has 2 cavernous hamagiomas. She is 5yrs. old. My daughter who is 2 has had an eeg to show her brain seizing. MRI was normal. How hereditary is this stuff? What is the percentage that my children or I will develop them or they will be born with them? Should I get my tubes tied to avoid giving this to my children?
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Actually, I found that it is inherited.
Mutations in the CCM2, KRIT1, and PDCD10 genes cause cerebral cavernous malformation.
In that case, I would talk to your doctor about genetic testing.
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Avatar universal
Thank u for that info
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