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Lifespan’s A - Z Health Information Library |
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Skin lesion aspirationDefinitionSkin lesion aspiration is the withdrawal of fluid from a skin lesion (sore). How the Test is PerformedA 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 a special laboratory dish (called a culture medium), where it will be watched for the growth of microorganisms. How to Prepare for the TestThere is no special preparation for this test. How the Test Will FeelIf the abscess is deep, the health care provider may inject a numbing medicine (anesthetic) into the skin before inserting the needle. You may feel a pricking sensation as the needle enters the skin. In many cases, the removal of fluid will decrease the pressure within the irritates skin sore, and relieve your pain. Why the Test is PerformedThis 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 MeanAbnormal results may be a sign of a bacterial or fungal skin infection. RisksThere is a slight risk of bleeding, mild pain, or infection. Review Date: 10/28/2008
Reviewed By: Michael Lehrer, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. The information provided herein should not be used during any
medical emergency or for the diagnosis or treatment of any medical
condition. A licensed medical professional should be consulted for
diagnosis and treatment of any and all medical conditions. Call 911
for all medical emergencies. Links to other sites are provided for
information only -- they do not constitute endorsements of those
other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the
information contained herein is strictly prohibited.
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