Proximal Interphalangeal Joint Dislocation


Proximal Interphalangeal Joint Dislocation, PIP Dislocation, Dislocation at Proximal Interphalangeal Joint

  • Epidemiology
  1. PIP Joint is the most commonly dislocated finger joint
  • Mechanism
  1. Hyperextension injury most common
  2. Common injury in athletes
  • Complications
  1. General
    1. Risk of longterm stiffness
    2. Distal Phalanx Fracture
    3. Tendon Injury
  2. Dorsal PIP Dislocation (most common)
    1. Risk of Volar Plate Injury
  3. Volar PIP Dislocation (rare)
    1. Risk of Central slip rupture
    2. May result in Boutonniere Deformity
  • Imaging
  • Finger XRay before and after reduction
  1. Exclude avulsion Fracture
  2. Reduction may be attempted on sideline without XRay
  • Signs
  1. Grossly deformed digit