Snapping of the Extensor Digitorum Longus Due to Attenuated Inferior Extensor Retinaculum: Case Report

Cho, Jaeho; Lee, Woo Chun; Park, Chul-Hyun

doi:10.3113/fai.2012.0336

Cited by 4 publications

(2 citation statements)

References 11 publications

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“…In children, traumatic avulsion of the SER may cause a subperiosteal hematoma; US has been demonstrated as an imaging modality to depict it . Extensor digitorum longus tendon intermittent subluxation due to IER loosening is also described, although rare . In addition to being a retaining aponeurosis, studies have demonstrated the role of the IER in stabilizing the subtalar joint; therefore, its injuries may be implicated in subtalar instability (Figure ) …”

Section: Extensor Retinaculamentioning

confidence: 99%

Ultrasound Features of Ankle Retinacula: Normal Appearance and Pathologic Findings

Bianchi¹,

Becciolini²

2019

J of Ultrasound Medicine

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Disorders of retinacula are frequent in acute and repetitive microtrauma of the ankle. Ultrasound (US), thanks to its spatial resolution and dynamic capabilities, is routinely used in the evaluation of the posttraumatic ankle for accurate delineation of ligaments and tendons. In addition, US can provide a depiction of normal retinacula and a detailed assessment of their pathologic changes. An accurate US assessment of ankle retinacula is helpful in choosing the proper treatment. In this pictorial essay, we briefly review the normal anatomy of ankle retinacula, describe their normal US appearance, and present a wide range of US pathologic abnormalities.

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Section: Extensor Retinaculamentioning

confidence: 99%

Ultrasound Features of Ankle Retinacula: Normal Appearance and Pathologic Findings

Bianchi¹,

Becciolini²

2019

J of Ultrasound Medicine

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“…8 Anterior ankle snapping syndrome is rare. Snapping of the extensor digitorum longus due to attenuated inferior extensor retinaculum 9 and snapping due to hypertrophied or low-lying peroneal tertius muscle 10,11 have been reported. Snapping can also be due to impingement of ankle tendons with bone spurs, osteophytes, fracture fragments, or orthopaedic hardware.…”

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confidence: 99%

Arthroscopic Taloplasty for an Anterolateral Snapping Ankle

Lui¹

2016

Arthroscopy Techniques

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Anterior ankle snapping syndrome is rare. Snapping of the extensor digitorum longus due to attenuated inferior extensor retinaculum and snapping due to hypertrophied or low-lying peroneal tertius muscle have been reported. We reported a new mechanism of anterolateral snapping due to a hypertrophied talar head. Anterolateral snapping ankle can be revealed by active dorsiflexion and plantarflexion of the ankle with the foot inverted. Foot inversion will tension the inferior extensor retinaculum and uncover the dorsolateral prominence of the talar head. The dorsolateral prominence of the talar head will snap over the proximal edge of the inferior extensor retinaculum. This technical note reports the technique of arthroscopic contouring of the talar head via extra-articular ankle arthroscopy. We named this technique arthroscopic taloplasty.

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Extensor Tendoscopy

Lau¹,

Lui²,

Lee³

et al. 2019

Arthroscopy and Endoscopy of the Foot and Ankle

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Snapping of the Extensor Digitorum Longus Due to Attenuated Inferior Extensor Retinaculum: Case Report

Abstract: For information on pricings and availability of reprints, email reprints@datatrace.com or call 410-494-4994, x232.

Cited by 4 publications

References 11 publications

Ultrasound Features of Ankle Retinacula: Normal Appearance and Pathologic Findings

Ultrasound Features of Ankle Retinacula: Normal Appearance and Pathologic Findings

Arthroscopic Taloplasty for an Anterolateral Snapping Ankle

Extensor Tendoscopy

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