IAN HOOTON / SCIENCE PHOTO LIBRARY IAN HOOTON / SCIENCE PHOTO LIBRARY
Radiologist beside CT (computed tomography) scans of vertical sections through a patient's head. CT scanning is a diagnostic technique that uses X-rays to produce cross-sectional images of the body. CT scans of the brain can help locate hemorrhage, fractures, cysts and tumours. It may also diagnose the causes of chronic sinusitis.
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