Mycobacterial cultureDefinition: Mycobacterial culture is a test to look for tuberculosis or a related organism in the body. It can be done on tissue taken from the bone marrow, liver, or lungs. See also:
Alternative Names: Culture - mycobacterial
How the test is performed: A sample of tissue is needed. A biopsy or aspiration will be done, depending on the suspected site of infection. The sample is placed in a special laboratory dish (culture media) and watched to see if tuberculosis or similar bacteria grow.
How to prepare for the test: The preparation depends on the suspected site of infection. For details, see:
How the test will feel: How the test will feel depends on the specific procedure. For details, see:
Why the test is performed: Your doctor may order this test if you have signs of tuberculosis or a related infection.
Normal Values: If there is no disease present, there will be no growth of bacteria in the culture medium.
What abnormal results mean: Mycobacterium tuberculosis or similar bacteria is present in the culture.
What the risks are: Risks depend on the specific biopsy or aspiration being performed. There are no risks associated with the culture itself.
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