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What is a computed axial tomography (CAT) scan?

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A computed axial tomography (CAT) scan is a diagnostic test in which X-rays and computers are used to produce an image of a cross-section of the body; a CAT scan of the head may be recommended if you are getting daily or almost daily headaches. It can also be used to rule out other conditions that may contribute to headaches.

From: Migraine and Headache Glossary WebMD Medical Reference

SOURCES: Mayo Clinic. National Institute of Neurological Disorders and Stroke.

Reviewed by Nayana Ambardekar on February 13, 2019

SOURCES: Mayo Clinic. National Institute of Neurological Disorders and Stroke.

Reviewed by Nayana Ambardekar on February 13, 2019

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