Typically, a Maisonneuve fracture involves a fracture of the medial malleolus of the ankle with disruption of the tibiofibular syndesmosis. This results in a fracture of the proximal third of the fibula. The Maisonneuve fracture results from an ankle eversion injury.

A	Lateral radiograph of the ankle. This shows a fracture of the posterior lip of the tibia.
B	AP radiograph of the upper tibia and fibula. This shows a fracture of the proximal fibula. This is a Maisonneuve fracture.

Links to online textbooks:

• Wheeless' Orthopedics: discussion of Maisonneuve fracture

Links to online cases:

• The Physician and Sports Medicine
• Emedicine.com

References:

• Ebraheim NA, Mekhail AO, Gargasz SS: Ankle fractures involving the fibula proximal to the distal tibiofibular syndesmosis Foot Ankle Int. 1997 Aug;18(8):513-21.           [See related articles]
• Lock TR, Schaffer JJ, Manoli A 2d: Maisonneuve fracture: case report of a missed diagnosis Ann Emerg Med. 1987 Jul;16(7):805-7.           [See related articles]
• Hanson JA, Fotoohi M, Wilson AJ: Maisonneuve fracture of the fibula: implications for imaging ankle injury AJR Am J Roentgenol. 1999 Sep;173(3):702.           [See related articles]