A radiology technique in which a scanner is used to obtain a series of detailed visualizations of tissues, body organs and bones. The procedure is painless, non-invasive and requires no special preparation.
a sectional view of the body constructed by computed tomography -- called also CT scan. CT scanning is non-invasive and uses x-rays to create the 'picture'
a series of x-rays of various sections of the body, including intravenous pyelography (IVP) using a special dye to outline the urinary system, lymphangiography using a special dye that outlines the lymph system in the abdomen, and ultrasonography which creates a picture from the echoes of high-frequency sound waves bounded off internal organs.