A craniotomy involves an incision into the scalp and creating a hole in the skull, known as a bone flap. The hole and incision are made near the area of the brain being treated.
During open brain surgery, your surgeon may opt to:
- remove tumors
- clip off an aneurysm
- drain blood or fluid from an infection
- remove abnormal brain tissue
When the procedure is complete, the bone flap is usually secured in place with plates, sutures, or wires. The hole may be left open in the case of tumors, infection, or brain swelling. When left open, the procedure is known as a craniectomy.