Spiral CT scan is a non-invasive, easy access exam that uses x-rays moving rotationally and multiple detectors for fast data acquisition. Subsequently, fine and multiplanar reconstructions are obtained through computer processing. CT scan has many indications. It allows investigation of the brain, lumbar spine, facial bones, sinus, neck/ORL, thorax, abdomen, pelvis, osteoarticular issues, circulatory system (angio-CT of the carotids, detection of cerebral or aortic aneurysm and pulmonary...