A CT scan uses x-ray technology to take multiple views of the inside of the body. Compared to regular x-rays, a CT scan can take clearer and more detailed images of organs, bone, soft tissue, blood vessels, and other parts of the body.

CT Scan of the Head
Breast self-exam, step 5
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Some of the primary uses for CT scans include:

  • Looking for bleeding inside the body, especially the in the skull.
  • Studying the chest and abdomen
  • Determining the size and location of a tumor
  • Diagnosing and treating skeletal problems
  • Diagnosing blood vessel diseases
  • Planning radiation treatments for cancer
  • Guiding biopsies and other tests
  • Planning surgery
  • Identifying injuries from trauma