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* CMS- anatomy q ...
 #846557  
  dream250 - 12/24/17 03:32
 
  A 57 year old woman comes to the physician because of persistent numbness of the back of her right hand for 2 weeks. Her symptoms began after operative treatment of a distal radial fracture. Sensation to pinprick is decreased over the dorsal first web, thumb, and index finger. There is no motor deficit. Which of the following is the most likely site of nerve injury?

I. Radial nerve above the elbow
J. Radial nerve at the elbow
K. Radial nerve at the distal forearm

How do we know where the injury is? Can anyone please explain these 3 lesions?
 
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