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Computed Tomography (CT) Computed tomography (CT) is a method of providing anatomical information in a cross-sectional plane using X-rays. The x-ray tube and detectors move around the patient and the resulting absorption profiles are processed into an image using Fourier transformation. The most modern scanners use spiral technology and large volumes can be scanned within a few seconds. CT can be used to look at all areas of the body. Computed tomography
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