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
2.
The functional parts , such as wrist , ankle , elbow , knee , hand and foot dorsum , were treated with autologous split - thickness skin grafting or complex skin grafting ( i . e . autologous split - thickness skin plus allogenous dermal matrix )