guide further tests or treatments – for example, CT scans can help determine the location, size and shape of a tumour before having radiotherapy, or allow a doctor to take a needle biopsy (where a small tissue sample is removed using a needle) or drain an abscess.diagnose conditions – including damage to bones, injuries to internal organs, problems with blood flow, stroke, and cancer. ![]() When CT scans are usedĬT scans can produce detailed images of many structures inside the body, including the internal organs, blood vessels and bones. ![]() They're carried out in hospital by specially trained operators called radiographers, and can be done while you're staying in hospital or during a short visit. ![]() A computerised tomography (CT) scan uses X-rays and a computer to create detailed images of the inside of the body.ĬT scans are sometimes referred to as CAT scans or computed tomography scans.
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