Cotton's fracture

Cotton's fracture

a fracture involving the medial, lateral, and posterior malleoli of the ankle. Also called trimalleolar fracture.

Cotton's fracture

Orthopedics A trimalleolar fracture of the ankle involving both–medial and lateral—malleoli and the posterior articular margin of the distal tibia–posterior malleolus—with the latter fragment being dislocated posteriorly and/or superiorly