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Trauma
intermediate
X-Type

Segmental Bone Defect Management

Complex Fractures

A 32-year-old man sustains a severe open tibial fracture (Gustilo IIIB) from a motorcycle accident. After debridement and soft tissue coverage with a free flap, he has a 6cm segmental bone defect in the tibial diaphysis. The wound is healed, there is no infection, and the soft tissue envelope is stable. He is 4 months post-injury. Regarding segmental bone defect management:

Mark each as TRUE or FALSE

A

Critical-sized bone defects (greater than 2cm or greater than 50% circumference) will not heal spont...

B

The Masquelet (induced membrane) technique involves two stages: first stage places antibiotic-loaded...

C

Defects under 2cm always require reconstruction; the induced membrane should be disrupted during sec...

D

Distraction osteogenesis (Ilizarov technique) involves corticotomy and gradual distraction (1mm/day ...

E

Vascularized bone grafts (free fibula most common) are indicated for large defects greater than 8-10...

Answer the questions to see explanations

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