Maisonneuve fracture

Background

• Results from external rotation force applied to foot
• Leg equivalent of Galeazzi fracture
• 3 components:
  • 1. Fibula fracture (anywhere from head or as far down as 6cm above ankle joint)
  • 2. Deltoid ligament rupture or medial malleolus fracture
  • 3. Injury then directed upward and laterally tearing interosseous membrane

Diagnosis

• Long leg film that includes ankle
  • Increase in medial clear space of ankle joint
  • Tibiofibular clear space widened >5mm
  • High fibular fracture
• Signs of syndesmotic injury

Maisonneuve fracture

Differential Diagnosis

Distal Leg Fracture Types

• Tibial plateau fracture
• Tibial shaft fracture
• Pilon fracture
• Maisonneuve fracture
• Tibia fracture (peds)
• Ankle fracture
  • Ankle fracture (peds)
    • Tillaux fracture
• Foot and toe fractures

Treatment

• Usually requires surgical intervention
• Long leg posterior splint until further f/u

See Also

• Distal leg fractures

Source

• Tintinalli