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Review
. 2014 May;39(5):1005-11.
doi: 10.1016/j.jhsa.2013.11.018.

Closed soft tissue extensor mechanism injuries (mallet, boutonniere, and sagittal band)

James D Lin  1 , Robert J Strauch  2
Affiliations
Review

Closed soft tissue extensor mechanism injuries (mallet, boutonniere, and sagittal band)

James D Lin et al. J Hand Surg Am. 2014 May.

Abstract

The extensor mechanism of the hand is complex and can be disrupted at several different points, from hand trauma. This article summarizes current concepts relating to the presentation and treatment of closed soft tissue injuries of the extensor mechanism in zones I, III, and V, commonly known as mallet finger and boutonniere deformities and sagittal band injuries.

Keywords: Extensor tendon injury; central slip; mallet finger; sagittal band; terminal tendon.

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