A CT scan is a test that takes detailed pictures of the inside of your body. It's usually used to diagnose conditions or check how well treatment is working.
How is the image made ?
Gantry
X-ray tube
Detector array
Patient table
Figure 2. A patient lying in a CT scanner.⁵
CT Page 2
Sian Bacon
Created on February 15, 2026
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Transcript
A CT scan is a test that takes detailed pictures of the inside of your body. It's usually used to diagnose conditions or check how well treatment is working.
How is the image made ?
Gantry
X-ray tube
Detector array
Patient table
Figure 2. A patient lying in a CT scanner.⁵