Methods Operation performed under tourniquet, the crusts were ablated down to the superficial layer of deep fascia, and then autologous micro-skin grafting, combined with allogenous skin coverage, was conducted in 13 patients.

• 方法在止血带下进行手术切痂深度至深筋膜浅层，止血后，异体皮覆盖自体微粒皮移植。