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Carpal tunnel biopsy
Carpal tunnel biopsy is a test in which a small piece of tissue is removed from the carpal tunnel (part of the wrist).
- Alternative Names
Biopsy - carpal tunnel
- How the test is performed
- How to prepare for the test
Your doctor may ask that you not eat anything for a few hours before the test.
For infants and children, the physical and psychological preparation you can provide for this test depends on your child's age and experience. For specific information on how to prepare your child, see the following topics:
- How the test will feel
You may feel some stinging or burning when the numbing medicine is injected. You may also feel some pressure or tugging during the procedure. Afterward, the area may be tender or sore for a few days.
- Why the test is performed
- Normal Values
No abnormal tissues are found.
- What abnormal results mean
Amyloidosis involving the carpal tunnel.
- What the risks are
- Damage to the nerve in this area
- Infection (a slight risk any time the skin is broken)
- Special considerations
If the biopsy indicates abnormalities of the carpal tunnel, your health care provider may suggest the carpal tunnel release procedure. Your provider may also recommend more surgery to fix or improve the abnormality.
Review Date: 7/17/2008
Reviewed By: Andrew L. Chen, MD, MS, Orthopedist, The Alpine Clinic, Littleton, NH. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.