tailieunhanh - The Gale Encyclopedia of Neurological Disorders vol 1 - part 6

Trong craniotomy, da trên một phần của hộp sọ được cắt và kéo trở lại. Lỗ nhỏ được khoan vào hộp sọ, và một thấy đặc biệt được sử dụng để cắt xương giữa các lỗ. Xương được lấy ra, và khối u hoặc một khiếm khuyết khác là hình dung và sửa chữa. | Craniotomy In a craniotomy the skin over a part of the skull is cut and pulled back. Small holes are drilled into the skull and a special saw is used to cut the bone between the holes. The bone is removed and a tumor or other defect is visualized and repaired. The bone is then replaced and the skin closed. Illustration by Electronic Illustrators Group. 888 663-4637 Fax 914 428-8203. askus@ . http . National Organization for Rare Disorders. 55 Kenosia Avenue Danbury CT 06813-1968. 203 744-0100 or 800 9996673 Fax 203 798-2291. orphan@. http . World Craniofacial Foundation. 7777 Forest Lane Suite C-621 Dallas TX 75251-5838. 972 566-6669 or 800 533-3315 Fax 972 566-3850. worldcf@worldnet. . http . Brian Douglas Hoyle PhD I Craniotomy Definition A craniotomy is a procedure to remove a lesion in the brain through an opening in the skull cranium . Purpose A craniotomy is a type of brain surgery. It is the most commonly performed surgery for brain tumor removal. It also may be done to remove a blood clot hematoma to control hemorrhage from a weak leaking blood vessel cerebral aneurysm to repair arteriovenous malformations abnormal connections of blood vessels to drain a brain abscess to relieve pressure inside the skull to perform a biopsy or to inspect the brain. Demographics Because craniotomy is a procedure that is utilized for several conditions and diseases statistical information for the procedure itself is not available. However because craniotomy is most commonly performed to remove a brain tumor statistics concerning this condition are given. Approximately 90 of primary brain cancers occur in adults more commonly in males between 55 and 65 years of age. Tumors in children peak between the ages of 3 and 12. Brain tumors are presently the most common cancer in children 4 out of 100 000 . Description There are two methods commonly utilized by surgeons to .