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Snapping of the Thumb Caused by Supernumerary Extensor Pollicis Longus Tendon

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Author(s)
Sangho OhDaegu Son
Keimyung Author(s)
Son, Dae Gu
Department
Dept. of Plastic Surgery (성형외과학)
Journal Title
Plast Reconstr Surg Glob Open
Issued Date
2024
Volume
12
Issue
11
Keyword
InflammasomesBacterial infectionsPyroptosisTherapeuticsImmunity
Abstract
Supernumerary extensor tendons of the hand are relatively common, whereas supernumerary extensor pollicis longus (EPL) tendons are rarely reported. Herein, we present the case of a 17-year-old boy with painful snapping at the anatomical snuffbox after repetitive pushups. Preoperative dynamic ultrasonography and magnetic resonance imaging revealed the bifurcation of EPL tendons. Through explorative surgery under wide-awake anesthesia, we found 2 EPL tendons with a single EPL muscle, which pass through the single extensor compartment and EPL canal distally. Intraoperatively, after releasing the extensor compartment and EPL canal, each EPL tendon was rerouted to a separate gliding plane to resolve the snapping symptom and recurrence. Six months postoperatively, the snapping symptom was resolved, and the patient resumed activities of daily living without any complications. This clinical case may be useful for examining anatomical variations of the thumb extensor tendon and detecting extraordinary pathological symptoms.
Keimyung Author(s)(Kor)
손대구
Publisher
School of Medicine (의과대학)
Type
Article
ISSN
2169-7574
Source
https://www.sciencedirect.com/science/article/pii/S0163725824001761
DOI
10.1097/GOX.0000000000006338
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/46038
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Plastic Surgery (성형외과학)
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