This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thigh, Knee,Leg,Foot & Ankle injuries, Subject name: Orthopaedics
Treatment of choice for non-united fracture of lower 1/4th tibia with multiple discharging sinuses & various puckered scar with 4cm shoening of leg- 
Select and explain. 
A. Plating, B. External fixature, C. Ilizarov's fixature, D. Intramedullary nail
C: Ilizarov's fixature
Answer: C: Ilizarov's fixature 
Explanation: *Patient in question has infected non-union with shoening of 4cms. Ilizanov fixature with distraction osteogenesis will be the best option. Ref: Maheshwari 9th/e p.158