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Definition Return to top
Skin lesion aspiration is the withdrawal of fluid from a skin lesion (sore).How the test is performed Return to top
A needle is inserted into a skin lesion or skin abscess, which may contain fluid or pus. The fluid may be examined under the microscope or placed in culture media to observe for the growth of microorganisms.How to prepare for the test Return to top
There is no special preparation for this test.How the test will feel Return to top
If the abscess is deep, a local anesthetic may be injected into the skin to numb the area. There will be a pricking sensation as the needle enters the skin. In many cases, the removal of fluid will decrease the pressure within the tense, irritated lesion and relieve the pain.Why the test is performed Return to top
This test is used to help determine the cause of a fluid-filled skin lesion. It can be used to diagnose skin infections.What abnormal results mean Return to top
The results may indicate a bacterial or fungal skin infection.What the risks are Return to top
There is a slight risk of bleeding or infection. Update Date: 4/15/2003 Updated by: Michael Lehrer, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.
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Page last updated: 28 October 2004 |