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Alternative names Return to top
Culture - lymph nodeDefinition Return to top
Lymph node culture is a laboratory test performed on a lymph node to identify organisms (bacteria, viruses, and fungus) that cause infection.How the test is performed Return to top
A 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 test Return to top
Adults:How the test will feel Return to top
The 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 performed Return to top
The test may be performed if the cause of swollen glands is not known, and infection is suspected.Normal Values Return to top
No growth is normal.What abnormal results mean Return to top
Abnormal 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.
What the risks are Return to top
There is a risk of bleeding or infection.Special considerations Return to top
Not applicable. Update Date: 1/26/2004 Updated by: Daniel Levy, M.D., Ph.D., Infectious Diseases, Greater Baltimore Medical Center, Baltimore, MD. Review provided by VeriMed Healthcare Network.
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Page last updated: 28 October 2004 |