A unique case of common peroneal nerve entrapment

Richard J. Myers, Elizabeth E. Murdock, Mehwish Farooqi, Grace Van Ness, Dennis Crawford

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The authors present a case of a previously healthy 36-year-old man with a 3-day history of spontaneous complete right lower extremity foot drop. He noticed the symptoms immediately when he attempted to stand after waking from sleep. The pa-tient had no history of similar symptoms, recent trauma, or peripheral nerve disease. Physical examination showed a slap foot gait, complete numbness of the lateral leg and dorsal foot, and 0/5 strength with ankle and great toe dorsiflexion and ankle eversion. Serum laboratory studies showed normal values. Nerve conduction studies confirmed increased latency and decreased amplitude of the right peroneal nerve at the knee, whereas electromyography showed denervation of the tibialis anterior and extensor digitorum brevis. Anteroposterior and lateral radiographs showed a normal right knee with the exception of a posterior fibular neck exostosis. Physical therapy, an ankle-foot orthosis, and a 5-day course of oral prednisone burst (50 mg) were pre-scribed. After 1 month of therapy without resolution, the patient underwent surgical release of the common peroneal nerve and excision of the bony prominence. Twelve days postoperatively, the patient had no sensory improvements but had improved findings on motor examination. Three months postoperatively, the patient had near-normal sensation to light touch in the superficial and deep peroneal nerves, with 5/5 strength and a normal gait. The patient returned to all activity without limitations. The authors present this unique case describing a fibro-osseous source of common peroneal compressive neuropathy and review the literature for spontaneous pero-neal entrapment, highlighting the importance of prompt diagnosis and treatment.

Original languageEnglish (US)
Pages (from-to)e644-e646
JournalOrthopedics
Volume38
Issue number7
DOIs
StatePublished - Jul 1 2015

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Nerve Compression Syndromes
Peroneal Nerve
Ankle
Foot
Gait
Peroneal Neuropathies
Knee
Foot Orthoses
Exostoses
Hallux
Hypesthesia
Neural Conduction
Touch
Electromyography
Peripheral Nervous System Diseases
Denervation
Prednisone
Physical Examination
Lower Extremity
Leg

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

Cite this

Myers, R. J., Murdock, E. E., Farooqi, M., Van Ness, G., & Crawford, D. (2015). A unique case of common peroneal nerve entrapment. Orthopedics, 38(7), e644-e646. https://doi.org/10.3928/01477447-20150701-91

A unique case of common peroneal nerve entrapment. / Myers, Richard J.; Murdock, Elizabeth E.; Farooqi, Mehwish; Van Ness, Grace; Crawford, Dennis.

In: Orthopedics, Vol. 38, No. 7, 01.07.2015, p. e644-e646.

Research output: Contribution to journalArticle

Myers, RJ, Murdock, EE, Farooqi, M, Van Ness, G & Crawford, D 2015, 'A unique case of common peroneal nerve entrapment', Orthopedics, vol. 38, no. 7, pp. e644-e646. https://doi.org/10.3928/01477447-20150701-91
Myers, Richard J. ; Murdock, Elizabeth E. ; Farooqi, Mehwish ; Van Ness, Grace ; Crawford, Dennis. / A unique case of common peroneal nerve entrapment. In: Orthopedics. 2015 ; Vol. 38, No. 7. pp. e644-e646.
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