Bennett Fracture/Dislocation:

Bennett Fracture/Dislocation:

A type of injury that combines a fracture of the first metacarpal bone (thumb) with a dislocation of the carpometacarpal (CMC) joint.

Causes:

1. Direct blows to the thumb or hand

2. Falls onto an outstretched hand

3. Sports injuries (e.g., football, hockey, rugby)

4. Twisting or bending injuries

Symptoms:

1. Pain and tenderness in the thumb or hand

2. Swelling and bruising

3. Limited mobility or stiffness

4. Visible deformity or bump

Classification:

1. Type I: Fracture of the first metacarpal bone with a CMC joint dislocation

2. Type II: Fracture of the first metacarpal bone with a CMC joint subluxation (partial dislocation)

Treatment:

1. Non-surgical: Immobilization, pain management, and physical therapy

2. Surgical: Open reduction and internal fixation (ORIF) or closed reduction and percutaneous pinning

Complications:

1. Chronic pain and limited mobility

2. Arthritis or degeneration of the CMC joint

3. Fracture nonunion or malunion

4. Nerve or blood vessel damage

Recovery:

1. Immobilization: 4-6 weeks

2. Physical therapy: 3-6 months

3. Return to sports: 6-12 months