To discuss a case of adult-onset asymmetric distal leg weakness in a patient who presented with weakness and atrophy of the posterior compartment of the left leg.Key Questions:
1. What is the differential diagnosis of asymmetric distal leg weakness?Key Questions:
2. How would a clinician approach diagnostic testing for such a patient?Key Questions:
3. What is the final diagnosis for this patient?Key Questions:
4. How to treat this patient?