Type of Surgery
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Last updated: 11/24/2009
ORGANIZATIONS
National Cancer Institute. Building 31, Room 10A31, 31 Center Drive, MSC 2580, Bethesda, MD 20892-2580. (800) 422-6237.
National Head Injury Foundation, Inc. (888) 222-5287....
Radiological Society of North America. 820 Jorie Boulevard, Oak Brook, IL 60523-2251. (630) 571-2670.
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There are a number of different types of bones in the body. This video explains how some of the various types of bones allow you to move and support the forces of walking and other activities.
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A skull X-ray is a series of pictures of the bones of the skull. The nasal sinuses can also be viewed on a skull X-ray. Skull X-rays have largely been replaced by computed tomography (CT) scans.
X-rays are a form of radiation, like light or radio waves, that are focused into a beam, much like a flashlight beam. X-rays can pass through most objects, including the human body. X-rays make a picture by striking a detector that either exposes a film or sends the picture to a computer Dense tissues in the body, such as bones, block (absorb) many of the X-rays and look white on an X-ray picture. Less dense tissues, such as muscles and organs, block fewer of the X-rays (more of the X-rays pass through) and look like shades of gray on an X-ray. X-rays that pass only through air look black.
From http://health.yahoo.com/children-conditions/skull-x-ray/healthwise--hw214348.html
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Select comparative data from 1999 to 2006 include an 11 percent increase in the number of neurosurgeons with full-time academic appointments and a 6 percent increase in the number of female neurosurgeons.
From: AANS
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