Successful surgical treatment of polybacterial gas gangrene confirmed by metagenomic next-generation sequencing detection: A case report

Figure 1 Skin lesions of the left lower limb on admission.

Figure 2 Left lower extremity skin lesions at different stages of treatment and postoperative pathological examination results. A: Image of left lower limb after enlarged debridement; B: The pathological findings of surgical specimens suggested the formation of soft tissue abscess; C: Image of left lower limb flap after transplantation; D: Left lower extremity flap transplantation.

Figure 3 Patient’s infection index. A: C-reactive protein; B: Procalcitonin.

Figure 4 Flow charts of diagnosis and treatment. mNGS: Metagenomics next-generation sequencing.