PIN syndrome

Pin Syndrome

Definition

 

Loss of PIN motor function with no pain

- multiple potential causes

- may be caused by compression as per radial tunnel

- may be post fracture or surgery

- may be caused by synovits / ganglion / rheumatoid nodules etc

 

Symptoms

 

Often heralded by deep aching pain in forearm that resolves

- is followed by PIN weakness

 

Most commonly is incomplete lesion