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J Korean Soc Surg Hand.  2015 Dec;20(4):204-208. 10.12790/jkssh.2015.20.4.204.

Extensor Digiti Minimi Triggering Caused by an Anatomical Variation: A Case Report

Affiliations
  • 1Department of Orthopaedic Surgery, Uijeongbu Paik Hospital, Uijeongbu, Korea.
  • 2Department of Orthopaedic Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea. jikocmc@naver.com

Abstract

Although flexor tendon triggering due to stenosing flexor tenosynovitis is common clinically, extensor triggering is quite rare. Known common causes are impingement between extensor tendon and extensor retinaculum, stenosis of the tendon sheath, and impingement between extensor tendon and osteophyte. We report rare case of triggering in the little finger caused by impingement between extensor digiti minimi and synovial septum.

Keyword

Trigger finger; Extensor digiti minimi; Extensor tendon

MeSH Terms

Constriction, Pathologic
Fingers
Osteophyte
Tendons
Tenosynovitis
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