Definition: A CT scan is a method of taking an image of the brain. CT stands for computed tomography, a procedure that produces a clear, two-dimensional image of the brain that shows abnormalities such as brain tumors, blood clots, strokes, or damage due to head injury. A CT scan can help identify the cause of Alzheimer's-like symptoms either by finding an abnormality or by ruling out certain conditions.
CT Scan
From Carrie Hill, PhD, former About.com Guide
Updated June 03, 2008
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
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