J Korean Foot Ankle Soc.  2020 Dec;24(4):161-164. 10.14193/jkfas.2020.24.4.161.

Operative Treatment for Bilateral Chronic Recurrent Dislocation of the Peroneal Tendon: A Case Report

• Na HY
• Song WS
• Lee JY

• KMID: 2509538
• DOI: http://doi.org/10.14193/jkfas.2020.24.4.161

Abstract

A peroneal dislocation is a rare disease that is often misdiagnosed as a simple sprain and can be treated inadequately in the acute phase. For this reason, it is important to have an appropriate diagnosis in the early stages because it can progress to chronic and recurrent conditions. Surgical treatment is considered mainly when progressing to chronic recurrent dislocation. Recently, patients with an acute peroneal dislocation tend to prefer surgical treatment, so accurate initial diagnosis and management are very important. This paper reports a case of chronic recurrent peroneal tendon dislocation in both ankle joints, which was treated by a superior peroneal retinaculum reconstruction and a groove deepening procedure.

Keyword

Peroneal tendon; Bilateral chronic recurrent dislocation; Superior peroneal retinacular reconstruction; Groove deepening procedure

Figure

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  Fig. 1 Initial right (A) and left (B) ankle gross pictures show both peroneal tendon dislocations occured with ankle dorsiflexion position.

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  Fig. 2 On both ankle anterior-posterior radiograph on weight bearing position, both os subfibulare are indicated as arrows, and others no remarkable finding.

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  Fig. 3 Computed tomography scans on axial image of right (A) and left (B) with ankle dorsiflexion position show dislocation of both peroneal longus tendon indicated as arrows.

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  Fig. 4 (A, B) Intraoperative right ankle gross pictures show ruptured and disappeared superior peroneal retinaculum.

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  Fig. 5 (A, B) Intraoperative right ankle gross pictures show established cortical window and deepening fibular groove on posterolateral surface of lateral malleolous.

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  Fig. 6 (A, B) Intraoperative right ankle gross pictures show reduced peroneal longus tendon and reconstructed superior peroneal retinaculum.

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  Fig. 7 (A, B) Intraoperative left ankle gross pictures show very thin, relaxed and transparent superior peroneal retinaculum.

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  Fig. 8 Postoperative right (A) and left (B) ankle gross pictures show no further peroneal tendon dislocations recurred.

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