brain, spinal cord, and nerve disorders
Hereditary Neuropathy With Liability to Pressure Palsies (HNPP)
Diagnosis of HNPP
Electromyography and nerve conduction studies Genetic testing Doctors may have difficulty diagnosing hereditary neuropathy with liability to pressure palsies because the symptoms come and go. Electromyography , and genetic testing help establish the diagnosis. Rarely, biopsy of a nerve is required to look for areas of swelling along the nerve that typically occur in hereditary neuropathy. 