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第一掌指关节脱位合并拇指籽骨嵌入：一例报告

Dislocation of the First Metacarpophalangeal Joint Complicated by the Interposition of the Thumb Sesamoid Bones: A Case Report.

作者信息

Barden Matthias, Lozano Maritza, Bosley Jacob R

机构信息

Undergraduate Medical Education, School of Medicine, University of California Riverside, Riverside, USA.

Emergency Medicine, Eisenhower Health, Rancho Mirage, USA.

出版信息

Cureus. 2024 Nov 3;16(11):e72950. doi: 10.7759/cureus.72950. eCollection 2024 Nov.

DOI:10.7759/cureus.72950
PMID:39640098
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11617118/
Abstract

We present a case of a thumb metacarpophalangeal (MCP) joint dislocation complicated by the interposition of the sesamoid bones. This case highlights a clinical scenario referred to as the "locked thumb" syndrome, in which a first-digit MCP dislocation is complicated by an entrapped anatomical structure that hinders closed reduction. In this case, the thumb sesamoid bones became lodged at the base of the dislocated proximal phalanx. Due to this mechanical blockage, bedside closed reduction failed, and operative management was required.

摘要

我们报告一例拇指掌指关节（MCP）脱位并伴有籽骨嵌入的病例。该病例突出了一种被称为“锁定拇指”综合征的临床情况，即第一掌指关节脱位并伴有阻碍闭合复位的解剖结构嵌顿。在本病例中，拇指籽骨卡在脱位近端指骨的基部。由于这种机械性阻塞，床边闭合复位失败，需要进行手术治疗。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b049/11617118/4db2ef665406/cureus-0016-00000072950-i03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b049/11617118/a894c4a54ac2/cureus-0016-00000072950-i01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b049/11617118/c74e62ddae50/cureus-0016-00000072950-i02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b049/11617118/4db2ef665406/cureus-0016-00000072950-i03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b049/11617118/a894c4a54ac2/cureus-0016-00000072950-i01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b049/11617118/c74e62ddae50/cureus-0016-00000072950-i02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b049/11617118/4db2ef665406/cureus-0016-00000072950-i03.jpg

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1
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Ultrasound diagnosis and follow-up of a locked thumb metacarpophalangeal joint caused by radial sesamoid entrapment: a case report.桡侧籽骨嵌顿导致拇指掌指关节绞锁的超声诊断及随访：一例报告
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