Volar dislocation of the proximal interphalangeal joint

Orthoplastic Surgery Pub Date : 2021-09-01 DOI:10.1016/j.orthop.2021.05.002

J.Terrence Jose Jerome

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引用次数: 1

Abstract

The author reports a volar dislocation of the right-hand ring finger's proximal interphalangeal joint in 65-year-old women presented two days after the injury. Apparent shortening, rotation and ulnar deviation of the finger are the classical clinical findings. Radiographs are essential in differentiating between the variants of volar dislocation. Type 1 dislocation presents as irreducible dislocation because of the entangled proximal phalanx in the buttonhole and always associated with the same side collateral ligament injuries. Type 2 dislocation is reducible because of the central slip rupture and a resultant boutonniere deformity. The author reported a case with a complex spectrum of injury, causing the volar dislocation of the proximal interphalangeal joint with the proximal migration of the middle phalanx and radial displacement. This was because of the same side collateral ligament rupture and central slip avulsion. Central slip reconstruction and radial collateral ligament repair produced a stable, painless joint and a full range of movement at the final follow-up.

Level of evidence

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指间关节近端掌侧脱位

作者报告了65岁女性右手无名指近端指间关节掌侧脱位，在受伤两天后出现。手指明显缩短、旋转和尺侧偏是典型的临床表现。x线片是区分掌侧脱位的重要依据。1型脱位表现为无法复位脱位，因近端指骨纠缠于扣眼内，常伴有同侧副韧带损伤。2型脱位是可复位的，因为中心滑移破裂和由此产生的胸孔畸形。作者报告了一例复杂的损伤，导致近端指间关节掌侧脱位伴中指骨近端移位和桡骨移位。这是由于同侧副韧带断裂和中央滑脱所致。在最后的随访中，中央滑动重建和桡骨副韧带修复产生了一个稳定、无痛的关节和全方位的活动。证据水平

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Orthoplastic Surgery

CiteScore

0.50

自引率

0.00%

发文量