Keywords:  tomography, cat, ray, scan, slice
Highly specialized diagnostic X-ray technique that produces cross-sectional images of the inside of the body.
Use of x-rays to examine a cross section of the brain after dye has been injected. The outlines of tumors, blood clots, and hemorrhages can be seen.
( CT-scan or CAT scan) – an x-ray procedure that measures densities of the brain from which a computer generates a two-dimensional picture of a "slice";CT-scans show less detail of the brain than MRIs