扳机指：一种罕见的拇长展肌腱狭窄性腱鞘炎。
Snapping thumb: a rare case of stenosing tenosynovitis of the extensor pollicis longus tendon.
机构信息
Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus, Denmark
Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus, Denmark.
出版信息
BMJ Case Rep. 2021 Jun 8;14(6):e241306. doi: 10.1136/bcr-2020-241306.
Abstract
Tenosynovitis of the extensor pollicis longus (EPL) is rarely reported in patients without rheumatoid arthritis but may lead to thumb snapping as a consequence of EPL stenosing tenosynovitis.This case presents painful thumb snapping that developed after a wrist trauma and repetitive loading. Ultrasound and MRI were used as diagnostic tools, before surgical release of the EPL in the third extensor compartment was performed. Neither EPL tenosynovitis nor thumb snapping were found at follow-up.
摘要
拇长展肌腱鞘炎在无类风湿关节炎的患者中较为少见，但可导致拇指弹响，这是由于拇长展肌腱狭窄性腱鞘炎所致。本病例表现为腕部外伤和反复负荷后出现的疼痛性拇指弹响。在第三伸肌间隔行拇长展肌腱松解术之前，采用超声和 MRI 作为诊断工具。随访时均未发现拇长展肌腱鞘炎或拇指弹响。
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