CAT Scan Computer assisted tomography
Definition
A CAT scan is a diagnostic test that enables the spinal canal to be imaged and assessed for specific conditions. The scan works by shooting an x-ray beam at 160 points throughout the body and crystals opposite the beam pick up and record the absorption rates of the varying thicknesses of tissue and bone.A computer is used to reformat the image into cross sections of the spine. CT scans provide excellent visualization of bony detail and a three-dimensional perspective, and are very useful for assessing fractures and soft tissue structures not visible through conventional radiography.
When combined with a myelogram, a dye injected into the area of the spine being examined, CT scans provide for excellent detail of spinal nerves.
Synonyms and relevant terms
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CT scan
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Computerized Axial Tomography
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Computed Axial Tomography
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