Abscess scan - radioactive

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Radioactive abscess scan uses white blood cells tagged with a radioactive substances and x-rays to look for abnormal sites of inflammation in the body.

Radioactive abscess scan; Abscess scan

Blood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine (antiseptic). The health care provider wraps an elastic band around the upper arm to apply pressure to the area and make the vein swell with blood.

Next, the health care provider gently inserts a needle into the vein. The blood collects into an airtight vial or tube attached to the needle. The elastic band is removed from your arm.

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Once the blood has been collected, the needle is removed, and the puncture site is covered to stop any bleeding.

The blood sample is then sent to the lab where they isolate the white blood cells (WBCs), and tag them with a radioactive substance called indium. The cells are then reinjected back into a vein in your body through another needle stick.

You will have an appointment to return after 24 - 48 hours for a nuclear medicine scan to determine if WBCs have gathered outside the liver, spleen and bone marrow.

You must wear a hospital gown and remove all jewelry.

Tell the health care provider if you are pregnant. This procedure is NOT recommended if you are pregnant. If you are a women in childbearing years (before menopause), you should use some form of birth control during the course of this procedure.

You should also tell your health care provider if you have or had any of the following medical conditions, procedures, or treatments, as they can interfere with test results:

• Gallium (Ga) scan within the previous month
• Hemodialysis
• Hyperglycemia
• Total parenteral (through an IV) nutrition
• Steroid therapy
• Long-term antibiotic therapy

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.