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    Carpal tunnel biopsy

    Biopsy - carpal tunnel

    Carpal tunnel biopsy is a test in which a small piece of tissue is removed from the carpal tunnel (part of the wrist).

    How the Test is Performed

    The skin of your wrist is scrubbed and injected with medicine that numbs the area. Through a small cut, a sample of tissue is removed from the carpal tunnel. This is done by direct removal of tissue or by needle aspiration.

    Sometimes this procedure is performed at the time of carpal tunnel release.

    How to Prepare for the Test

    Your doctor or nursemay ask that you not eat anything for a few hours before the test.

    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

    This test is usually done to see if you have a condition called amyloidosis. It is not usually done to diagnose carpal tunnel syndrome.

    Normal Results

    No abnormal tissues are found.

    What Abnormal Results Mean

    An abnormal result is a sign of amyloidosis.

    Risks

    • Bleeding
    • Damage to the nerve in this area
    • Infection (a slight risk any time the skin is broken)

    Considerations

    If the carpal tunnel biopsy reveals a problem, your health care provider may suggest a carpal tunnel release procedure. Additional surgery to correct or improve the problem may be recommended.

    References

    Gertz MA. Amyloidosis. In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011: chap 194.

    LeBlanc KE, Cestia W. Carpal Tunnel Syndrome. Am Fam Physician. 2011;83(8):952-958.

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    • Carpal tunnel syndrome

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    • Surface anatomy - normal...

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    • Surface anatomy - normal...

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    • Carpal biopsy

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      • Carpal tunnel syndrome

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      • Surface anatomy - normal...

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      • Surface anatomy - normal...

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      • Carpal biopsy

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      A Closer Look

      Self Care

        Tests for Carpal tunnel biopsy

        Review Date: 8/11/2012

        Reviewed By: Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington. C. Benjamin Ma, MD, Assistant Professor, Chief, Sports Medicine and Shoulder Service, UCSF Department of Orthopaedic Surgery. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.

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        St. Luke's Hospital - 232 South Woods Mill Road - Chesterfield, MO 63017 Main Number: 314-434-1500 Emergency Dept: 314-205-6990 Patient Billing: 888-924-9200
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