Abstract

Dislocations of the distal interphalangeal (DIP) joint are very uncommon injuries. The DIP joint is firmly supported by the flexor digitorum profundus (FDP) tendon, extensor tendon, palmar plate and collateral ligaments. Nevertheless, there are several reports of dorsal dislocation of the DIP joint. 10 However, this injury in which the distal end of the middle phalanx became entrapped in a longitudinal split in the FDP tendon is extremely rare, and, to our knowledge, has only been reported once. We encountered a case demonstrating this rare pattern. We report this rare dislocation of the DIP joint.

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