computed tomography (CT) scan

(redirected from computed axial tomography (CAT) scan)

computed tomography (CT) scan

; computed axial tomography (CAT) scan digitized, detailed, spatially accurate, serial, three-dimensional body images, created by a narrow beam of X-rays delivered along a spiral trajectory (2-mm 'slices' for foot and ankle), in which compact bone appears white, and air black; CT scans are especially useful for examination of cortical bone
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