Lumbosacral spine CT

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	Bones of the spine	Lumbar vertebrae	Vertebra, lumbar (low back)
Vertebra, thoracic (mid back)

Spinal CT; CT - lumbosacral spine

The most common type of contrast given into a vein contains iodine. If a person with an iodine allergy is given this type of contrast, hives, itching, nausea, breathing difficulty, or other symptoms may occur.

If you have diabetes or are on kidney dialysis, talk to your health care provider before the test about your risks.

CT scans and other x-rays are strictly monitored and controlled to make sure they use the least amount of radiation. CT scans do create low levels of ionizing radiation, which have the potential to cause cancer and other defects. However, the risk associated with any individual scan is small. The risk increases as numerous additional studies are performed.

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In some cases, a CT scan may still be done if the benefits greatly outweigh the risks. For example, it can be more risky not to have the exam, especially if your health care provider thinks you might have cancer.

Pregnant or breastfeeding women should consult their health care provider about the risk of CT scans to the baby.

Review Date: 08/03/2010
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).