Peroneal Neuropathy

FACTS

  • common peroneal nerve is most susceptible to injury in posterior popliteal fossa where it wraps around fibular head
notion image

HPI

  • trauma history
  • prolonged position injury

PHYSICAL EXAM

standard spine exam
  • evaluate for inversion / eversion
  • evaluate for open wound around popliteal fossa
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Peroneal neuropathy
L5 radiculopathy
DF
weak
weak
EHL
weak
weak
Ankle weakness
EVERSION
INVERSION
Sensory changes
dorsum of foot
dorsum of foot
plantar foot
lateral leg
 

IMAGING

  • rule out spinal etiology of an L5 radic on MRI L-spine
A/P
  • expectant management
  • delayed EMG/NCS in 1-3 months (neurology consult)
  • Consider plastics consult for eventual nerve transfer if needed