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KMID : 1130920210250030145
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Journal of Korean Foot and Ankle Society
2021 Volume.25 No. 3 p.145 ~ p.148
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The Checkrein Deformity of Extensor Hallucis Longus Tendon and Extensor Retinaculum Syndrome with Deep Peroneal Nerve Entrapment after Triplane Fracture: A Case Report
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Gwak Hyun-Gon
Ahn Jung-Tae
Lee Jae-Hoon
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Abstract
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A checkrein deformity can occur after a distal tibiofibular fracture. Usually, a checkrein deformity due to a dysfunction of the extensor hallucis longus muscle is rarer than that of the flexor hallucis longus. Only a few related studies have been reported. The authors en- countered an extensor hallucis longus checkrein deformity due to extensor retinaculum syndrome while managing a triplane fracture. In magnetic resonance imaging, an increase in the heterogeneous signal was observed on the T2-weighted images suggesting muscle necrosis or ischemic changes in a part of the extensor hallucis muscle. Postoperative great toe motor weakness, unintentional movement, sensory changes, and weakness improved spontaneously during the follow-up.
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KEYWORD
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Checkrein deformity, Extensor hallucis longus, Extensor retinaculum syndrome, Triplane fracture
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