Aka: Interphalangeal Dislocation, IP Dislocation, IP Joint Dislocation, PIP Dislocation, Dislocation at Proximal Interphalangeal Joint, Finger Dislocation at Interphalangeal Joint

Mechanism
1. Hyperextension injury most common
2. Common injury in athletes
Complications
1. General
  1. Distal Phalanx Fracture
  2. 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
Management
1. See Dorsal PIP Dislocation
2. See Lateral PIP Dislocation
3. See Volar PIP Dislocation
4. See DIP Dislocation
5. See IP Joint Dislocation at Thumb
6. See Metacarpal-Phalangeal Dislocation
Complications
1. Risk of longterm stiffness
2. Risk of Boutonniere Deformity

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Family Practice Notebook

Patients should address specific medical concerns with their physicians.

Although access to this page is not restricted, the information found here is intended for use by medical providers.

This page was written by Scott Moses, MD, last revised on 10/21/2007 and last published on 2/5/2012.

This is one of 5663 pages in the Family Practice Notebook