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Case Reports
. 2017 Nov/Dec;46(6):E419-E422.

Peroneus Quartus Muscle

Alexander Habashy  1 , Brandon Cook, Gonzalo Sumarriva, Robert Treuting
Affiliations
  • PMID: 29309458
Case Reports

Peroneus Quartus Muscle

Alexander Habashy et al. Am J Orthop (Belle Mead NJ). 2017 Nov/Dec.

Abstract

The peroneus quartus (PQ) muscle is a rare but sometimes missed potential etiology of ankle pain and tendon subluxation. We report the case of a 16-year-old boy who presented with lateral right ankle pain and subluxation of peroneal tendons. He had a history of non-Hodgkin lymphoma and palpable distal fibular osteochondroma. Seven months after excision of the exostosis and repair of the peroneal tendon retinaculum, the pain recurred. Imaging showed a split peroneus brevis (PB) tendon. During surgery, a PQ muscle was found and excised, and the PB tendon was repaired. One year after surgery, the patient's symptoms were resolved.

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Authors’ Disclosure Statement: The authors report no actual or potential conflict of interest in relation to this article.

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