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Abscess scan - radioactive
Alternative namesRadioactive abscess scan; Abscess scan
DefinitionThis test uses white blood cells tagged with radioactive indium and X-rays to find abscesses in the body.
How the test is performed
Blood is drawn from a vein, usually from the inside of the elbow or the back of the hand. The puncture site is cleaned with antiseptic, and a tourniquet (an elastic band) or blood pressure cuff is placed around the upper arm to apply pressure and restrict blood flow through the vein. This causes veins below the tourniquet to distend (fill with blood).
A needle is inserted into the vein, and the blood is collected in an air-tight vial or a syringe. During the procedure, the tourniquet is removed to restore circulation. Once the blood has been collected, the needle is removed, and the puncture site is covered to stop any bleeding.
How to prepare for the test
You must wear a hospital gown and remove all jewelry.
Inform the health care provider if you are pregnant. This procedure is NOT advised if you are pregnant. If you are a premenopausal woman, you should use some form of birth control during the course of this procedure.
How the test will feel
When the needle is inserted to draw blood, some people feel moderate pain, while others feel only a prick or stinging sensation. Afterward, there may be some throbbing.
The nuclear medicine scan is painless. There may be some discomfort lying flat and still on the scanning table for a short period of time.
Why the test is performed
This test is used to identify an abscess in the body when a person has signs and symptoms of sepsis , or your health care provider wants to know the cause of surgical complications.
White blood cells are the body's means of fighting infection, and this test enables your health care provider to follow these cells and see if they are accumulating around a site of infection. It is expected that there will be groupings of white blood cells in the liver, spleen, and bone marrow, but if groupings of cells exist elsewhere, an abscess or other inflammatory process is possible.
Normal ValuesNormal findings would show no abnormal accumulation of white blood cells.
What abnormal results meanAn accumulation of white blood cells outside of the normal areas indicate either an abscess or other type of inflammatory process.
What the risks are
There is low-radiation exposure. Radioactive injections are monitored and regulated to provide the minimum amount of radiation exposure needed to produce the image. Most experts feel that the risk is very low compared with the benefits.
Pregnant women and children are more sensitive to the risks of the X-ray .
Special considerationsInform your health care provider if you have a history of any of the following:
Update Date: 4/22/2003Benjamin Taragin, M.D., Department of Radiology, Columbia Presbyterian Medical Center, New York, NY. Review Provided by VeriMed Healthcare Network.
Last updated: Tue, 06 Jan 2009 00:20:03 GMT