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Paediatrics
intermediate
X-Type

Triplane Fracture

Ankle Fractures

A 13-year-old girl presents after a twisting ankle injury during soccer. Radiographs show a Salter-Harris IV pattern with fracture lines in three planes visible on AP and lateral views. CT scan reveals a displaced lateral epiphyseal fragment with step-off at the articular surface. Regarding triplane fractures:

Mark each as TRUE or FALSE

A

Triplane fractures occur during the transitional period when the distal tibial physis is closing asy...

B

Triplane fractures may be two-part (lateral) or three-part (lateral and medial) and can appear as Sa...

C

Triplane fractures occur in young children before physeal closure; the mechanism is axial loading; f...

D

Treatment depends on displacement: non-operative management (cast immobilization) is appropriate for...

E

Complications include growth arrest (usually minimal due to near-complete physeal closure), malunion...

Answer the questions to see explanations

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