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Trauma
intermediate
X-Type

Chopart (Midtarsal) Joint Injuries

Foot Trauma

A 35-year-old male motorcyclist sustains a high-energy midfoot injury in a collision. He presents with significant dorsal midfoot swelling, deformity, and inability to bear weight. AP and lateral foot radiographs reveal widening of the talonavicular (TN) joint and loss of cuboid height with compression. CT scan confirms TN subluxation and comminuted cuboid fracture with 8mm of lateral column shortening. There is no compartment syndrome. Regarding Chopart joint injuries:

Mark each as TRUE or FALSE

A

The Chopart joint comprises the talonavicular and calcaneocuboid articulations, forming the transver...

B

The nutcracker fracture involves compression of the cuboid bone between the bases of the 4th/5th met...

C

The talonavicular joint serves as the keystone of the medial longitudinal arch, and anatomic reducti...

D

Chopart injuries have excellent long-term outcomes with non-operative management, as these joints ar...

E

High-energy Chopart injuries require post-reduction CT scanning for surgical planning and monitoring...

Answer the questions to see explanations

Click T (True) or F (False) for each option