Irreducible Volar Subluxation of the Distal Interphalangeal Joint: An Unrecognised Cause
Abstract
This report describes a rare case of irreducible closed volar subluxation of the distal interphalangeal (DIP) joint of the small finger following a sports injury. Closed reduction failed, leading to open surgery, which revealed ulnar condyle entrapment between a partially torn extensor tendon and volarly displaced oblique retinacular ligament (ORL). Flexing the proximal interphalangeal (PIP) joint to 90° while extending the DIP joint relaxed the ORL, enabling dorsal repositioning and successful reduction. Awareness of this mechanism may help hand surgeons achieve effective reduction. Level of Evidence: Level V (Therapeutic)
Fields of Study & Subjects
Orthopedic Surgery and Rehabilitation
Foot and Ankle Surgery
Elbow and Forearm Trauma Treatment
Publication details
- Journal / source
- The Journal of Hand Surgery (Asian-Pacific Volume)
- Volume
- 31
- Issue
- 03
- Pages
- 337–341
- Publication date
- 26 February 2026
- Language
- EN