CT scan. Radiographers preparing a cancer patient for a CT (computed tomography) scan. CT is a diagnostic imaging technique that generates a three-dim

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CT scan. Radiographers preparing a cancer patient for a CT (computed tomography) scan. CT is a diagnostic imaging technique that generates a three-dimensional image from a large series of two-dimensional X-rays taken around a single axis of rotation. Contrast mediums enhance the contrast of the images, improving the detail of the scans.

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Photo credit: © ANTONIA REEVE/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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