Fig. 2

A/B/C/D The patient was transferred from an external hospital after being injured. The left medial leg was infected, the necrotic soft tissue and infected bone were cleared, and Staphylococcus aureus was detected. E/F The ipsilateral peroneal artery perforator flap was used to reconstruct soft tissue defect. G/H/I/J/K The induced membrane was cut longitudinally and the cement spacer was removed. The distal tibia was fixed with double plates, and iliac bone was removed to make bone granules, which were packed into the defective tibial region. L Postoperative X-ray after bone grafting. M Follow up X-ray one year after bone grafting surgery. N/O Follow up X-ray after bone grafting for 2 years. P/Q/R After 26 months of surgery, the patient's left calf recovered well.The Iowa ankle score was 86