Procedure:
The procedure begins with lying the patient on a narrow table that slides in and out of the center of the CT scanner. The X-ray source and X-rays detectors are located on opposite sides of the scanner's ring or gantry.
During the scan, the gantry rotates around patient. The source sends X-rays through patient's body, which the detector pick up and a computer translates them into images.
To image soft tissues of body, physician may use a special dye(called contrast dye) during the test to help visualize these body parts, which otherwise maybe difficult to see. The contrast may be ingested, given via IV, or administered rectally with an enema.
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