AJ PHOTO / SCIENCE PHOTO LIBRARY AJ PHOTO / SCIENCE PHOTO LIBRARY
CT scanning. Doctors examining the results of a computed tomography (CT) scan of a patient's chest and head (seen on screen). The patient (upper right) has been passed through the hole in the scanner. CT scanning uses X-rays to produce cross-sectional images of the scanned area, compiled by computer. This allows doctors to view internal body structures and diagnose medical conditions. In this case, the larynx was being examined. Photographed at the Fondation Rothschild, Paris, France.
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