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Contents of this page: | |
Alternative names
Tissue samplingDefinition Return to top
A biopsy is the removal of a small piece of tissue for microscopic examination and/or culture, often to help the physician make a diagnosis.
How the test is performed Return to top
The method of tissue removal varies among the type of biopsies:
If the tissue to be sampled is in the abdomen and cannot be safely accessed with a needle or closed procedure, an open biopsy must be performed in the operating room.
How to prepare for the test Return to top
Check with your physician about stopping medications that can predispose to bleeding, such as aspirin, Coumadin, and nonsteroidal anti-inflammatory medications (NSAIDs). Also mention any herbal preparations you are taking. Never change your medication regimen without first checking with your physician.
How the test will feel Return to top
In a needle biopsy, you will feel a small sharp pinch at the site of the biopsy. In an open or closed biopsy, local or general anesthesia is generally used to make the procedure pain free.
Why the test is performed Return to top
A biopsy may be performed to obtain healthy tissue can be obtained for the purpose of tissue-type matching for transplants. Unhealthy tissues are more commonly biopsied to diagnose disease.
Normal Values Return to top
Normal tissue.
What abnormal results mean Return to top
Abnormal biopsies mean that the material obtained differs from the usual structure or condition of the tissue.
Abnormal results may indicate the presence of disease, such as cancer, depending on the particular case.
What the risks are Return to top
Special considerations Return to top
Please see the following list of tests or procedures to obtain more information on why each one is performed, how it is performed, the risks, and normal and abnormal results:
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Page last updated: 28 October 2004 |