A CT scan (also known as a "CAT scan," for "Computed Axial Tomography") is a diagnostic test that uses X-rays with aided by computer technology. X-ray beams from many different angles are directed by a technician to create cross-sectional images of the patient's body. A computer assembles these images into a three- dimensional picture that can display organs, bones, and tissues in great detail.
- CT scans can be taken of any part or organ in the body
- CT scan can be done with contrast (a dye is either injected or swallowed to help increase contrast between organs) or with out contrast.
- CT scans are painless and take anywhere from 15 min to 1 hour.
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