Fracture of mid-tarsal joint (Chopart joint)

Discussion:

These fractures involve the cuboideonavicular joint and the mid-tarsal joint, also known as the transverse tarsal joint or Chopart's joint, which consists of two joints:

  • articulation between calcaneus and cuboid (calcaneocuboid joint
  • articulation between talus, navicular and calcaneus (talocalcaneonavicular joint), which is a ball (talus) and socket (concavity of posterior surface of navicular and anterior articular surface of calcaneus) joint

This case demonstrates the possible underestimation on conventional X-ray imaging of fracture extent and the importance of clinical findings when considering additional imaging investigations.

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