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Lymph node cultureDefinitionLymph node culture is a laboratory test performed on a lymph node to identify organisms (bacteria, viruses, and fungus) that cause infection. Alternative NamesCulture - lymph nodeHow the Test is PerformedA needle aspiration or biopsy of an enlarged lymph node (swollen glands) is obtained. The fluid is placed in culture media and observed for growth in the laboratory. Sometimes special stains are also done. How to Prepare for the TestThere is no special preparation necessary. How the Test Will FeelThe site may be numbed with a local anesthetic before the node is aspirated. There may be some pain when the needle is inserted into the lymph node. Why the Test is PerformedThe test may be performed if the cause of swollen glands is not known, and infection is suspected. Normal ResultsNo growth is normal. What Abnormal Results MeanAbnormal results indicate that infectious microorganisms, such as bacteria, viruses, or fungus are present. Suspicion of atypical mycobacterial infection is an additional condition under which the test may be performed. RisksThere is a risk of bleeding or infection. ConsiderationsNot applicable.
Review Date:
2/10/2006 Reviewed By: Kenneth Wener, M.D., Division of Infectious Diseases, Beth Israel Deaconess Medical Center, Boston, MA. Review provided by VeriMed Healthcare Network. 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-
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