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It is a type of x-ray of the inside of the body. CT stands for computerised tomography. The test may also be called a CAT scan.
CT scans are much more detailed than ordinary x-rays. The scanner sends several radiation beams through the body at the same time, and from different angles. An ordinary x-ray sends just one beam.
The scan makes detailed pictures of the body’s internal organs on a computer screen. The pictures are cross-sections (slices) of the body.
Doctors can use these pictures to look for signs of cancer.
