Hereditary neuropathy with liability to pressure palsy (HNPP)

= Recurrent isolated palsy in areas affected by trauma or compression eg peroneal, ulnar, brachial plexus. Bells?

Can last days – months, potentially persistent defect.

Recognised type of Charcot Marie Tooth, Autosomal dominant, usually second decade.

No specific treatment, strategies to avoid compression (arm hanging over chair, crossing legs etc).