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Neurology and Neurosurgery

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Clinical and Research Information

Skin biopsy procedure

A cutaneous nerve/skin biopsy is a very simple procedure that is performed in the outpatient setting and takes 10 to 15 minutes. First, the skin is thoroughly cleaned and a small injection of a local anesthetic to numb the skin is made. Then, a sample of skin is taken by a biopsy from the numb area of the skin. Finally, a band-aid dressing is used to cover the biopsy site. Generally, the skin heals easily within one to two weeks. The risk of bleeding or infection is extremely low. Patients who are anticoagulated with INR > 2.5 should not be biopsied.


If you are interested in beginning collaborative research with the Johns Hopkins Medicine Cutaneous Nerve Laboratory, please feel free to contact the director of the laboratory at 410-614-6399 or

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Maryland Patients

To schedule an appointment for a cutaneous nerve/skin biopsy, please have your doctor contact our office at 410-614-6399
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Adult Neurology: 410-955-9441
Pediatric Neurology: 410-955-4259
Adult Neurosurgery: 410-955-6406
Pediatric Neurosurgery: 410-955-7337



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