Technological advances, ever-improving image quality and ever-shorter exposure times enabled CT to develop into one of the most important radiological diagnostic procedures within just a few years. It is used, for example if there is suspicion of bleeding, dilated/expanded blood vessels, a brain tumor or brain edema, or to check on degenerative or age-related changes/lesions, a possible stroke or a suspected fracture of the skull. Radiologists use the whole-body CT to search for tumors and cysts in the chest and abdomen – or to monitor the development of known tumors or changes in inner organs. Similarly, slipped discs, osteoporosis and other degenerative changes or bone fractures can be safely and quickly diagnosed with the help of computed tomography. A cardiac CT can generate a three-dimensional image of the coronary arteries and any changes in them. This method can be used to visualize calcifications and deposits in the coronary vessels, the first signs of atherosclerosis. A cardiac CT can show both the inside of the blood vessels and the walls. Further advantages stem from the three-dimensional nature of the image: the separate parts of the heart are shown in their true proportions. Moreover, the physician can turn the 3D object any way he or she wants. This makes it easier to recognize important details.
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