J Korean Fract Soc.  2008 Apr;21(2):165-168. 10.12671/jkfs.2008.21.2.165.

Irreducible Dislocation of the Interphalangeal Joint of the Thumb: A Case Report

Affiliations
  • 1Department of Orthopaedic Surgery, College of Medicine, Dongguk University, Gyeongju, Korea. kys7374@freechal.com

Abstract

Dislocations of the interphalangeal joint of the thumb are rather uncommon as a result of the inherent stability of the interphalangeal joint. Irreducible dislocations of these joint are rare. The authors report a case of irreducible dislocation of the interphalangeal joint of the thumb with interposed palmar plate, and reduced by open reduction.

Keyword

Thumb; Interphalangeal joint; Irreducible dislocation; Open reduction

MeSH Terms

Dislocations
Joints
Thumb
Palmar Plate

Figure

  • Fig. 1 Preoperative anteroposterior (A) and lateral (B) X-ray of the thumb show dorsal dislocation of interphalangeal joint and old avulsion fracture of the base of the proximal phalanx.

  • Fig. 2 Intraoperative photograph showing extracted palmar plate from interphalangeal joint (forceps). The palmar plate was interposed in the joint still attached to the base of the distal phalanx.

  • Fig. 3 Postoperative anteroposterior (A) and lateral (B) X-ray show reduced interphalangeal joint and temporary interphalangeal joint fixation with K-wire.

  • Fig. 4 At postoperative 6 months, the anteroposterior (A) and lateral (B) X-ray show good joint space and restoration of articular congruity.


Reference

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