DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Craniotomy brain surgery. Surgeon using tools to remove a flap of bone from the skull of a patient undergoing a craniotomy as part of brain surgery. This stage, which allows access to the brain, was preceded by peeling back the scalp. This procedure is done for patients with brain lesions or injuries, and is also done to allow implants to be placed in the brain.
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