CT Scan

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The Description
A CT (computed tomography) scan uses exclusive x-ray equipment to take multiple images from different angles around the body. A computer then processes the data from the images and produces an image that shows a cross section of the area being examined. To help visualize the action, imagine looking at one end of a loaf of sliced bread. If you pull a slice out of the loaf, you can see the full surface of that slice, from the outer crust to the center. The body is seen on CT scan slices in a related way, from the outer skin to the central part of the body. The exam production multiple slices display multiple views of the area being examined. The slices can be displayed on a video monitor and saved on film for analysis.
A spiral or helical CT involves CT equipment that action over the patient in a spiral path, allowing continuous data with no gaps among images.
The image can be made even fair by using a special contrast agent, which can be swallowed as a liquid, injected into a vein, or given as an enema.

EXAMPLES OF USES


CT scans can also be used to guide method such as surgery, biopsy, and radiation. The images are no longer held in a single location; but can be seen together by physicians who are kilometres apart. In addition, the patient can have the x-ray images on a compact disk to take to addition physician or hospital.