Peripheral nerve surgery (PNS) is that subspecialty of neurosurgery that deals with the evaluation and medical and surgical treatment of diseases of the peripheral nerve. It includes, but is not limited to, the evaluation and medical and surgical treatment of patients with traumatic nerve injuries, entrapment neuropathies (e.g., CTS, cubital tunnel syndrome, etc.) and mass lesions associated with peripheral nerves (e.g., tumors and cysts). PNS also includes distinguishing surgically treatable peripheral nerve problems from primary peripheral neuropathies and those secondary to systemic diseases such as diabetes.

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