In this procedure, the provider removes a portion of skull bone and resects an arteriovenous malformation, or AVM, from the supratentorial region of the brain. This region is located above the tentorium cerebella, a fold of dura mater separating the cerebellum from the occipital and temporal lobes. The AVM the provider treats is simple, meaning it is less than 3 cm and easily accessible with probably no deep venous drainage, meaning the AVM is not involved with the main conduits that drain blood from the brain, which would increase risk of bleeding, or the involvement of the cortex areas that relate to sense, speech, and language.
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