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X-Ray

By , About.com Guide

Updated July 28, 2003

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Definition: An X-Ray is a simple, inexpensive procedure, and when performed in moderation, the risks of X-Ray are minimal. The X-Ray will show your doctor a two-dimensional picture of your body, and is a good screening tool to evaluate for causes of many common disorders.

An X-ray does not distinguish different tissues as well as a CT scan or MRI, but it does show evidence of many common problems. The amount of radiation that you would be exposed to by a normal X-Ray is comparable to radiation exposure from an airplane flight. Precautions should be taken if you think you may be pregnant; otherwise, limited use of X-Ray has been shown to be extremely safe.

Also Known As: radiograph, roentgenogram, radiogram

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