What are the signs and symptoms of common peroneal nerve entrapment?

Updated: Oct 15, 2019
  • Author: Minoo Hadjari Hollis, MD; Chief Editor: Thomas M DeBerardino, MD  more...
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Answer

Peroneal nerve lesions at the region of the knee or distal thigh usually result in patient reports of altered ambulation secondary to paretic or paralyzed ankle dorsiflexors. Loss of sensation in the cutaneous distribution of the superficial and deep peroneal nerves may be noted, but ankle dorsiflexion weakness is often of most concern to the patient. [37]

Pain is not universal with common peroneal nerve injuries; if present, it is often related to the specific cause of the nerve compromise. For example, nerve compromise secondary to traumatic injury from blunt trauma will likely be accompanied by pain secondary to soft-tissue swelling and inflammation, whereas chronic compression secondary to habitual leg-crossing is often nonpainful. Tapping of the nerve at the fibular head may produce pain and tingling (Tinel sign) in the sensory distribution of the peroneal nerve.


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