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Overview: Craniotomy is a type of brain surgery performed to remove the tumour or lesion in the brain. It is also done to remove blood clots, control hemorrhage, repair arteriovenous malformations or to drain a brain abscess.Learn More
Craniotomy is done under general anesthesia to make you unconscious. Your surgeon will place your head in a fixed position using a 3-pin skull fixation device. Then he/she will place a drain in the lower back to drain off the cerebrospinal fluid secreted in the brain while passing through the spinal column. Your surgeon will make an incision on the skin of the scalp. The incision can be made either around the occipital bone at the nape of the neck or a curved incision above the ear and eye.Once the incision is made, the skin, muscles and tissues of the scalp will be folded back and the skull will be exposed. Next, small holes will be drilled in the skull using a high speed drill and a bone saw to cut out a flap through the holes. This bone flap will then be removed to expose the brain tissues at the area the surgeon will do surgery or examination.After surgery, the bone flap will be put back in place and will be held with soft wires, plates and screws. The complete procedure, from anesthesia to the wearing off of the anesthesia post-surgery, will take about 4-6 hours.
Arteriovenous malformations: Abnormal connections of blood vesselsLearn Less
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