Therapeutic effect of autologous concentrated growth factor on lower-extremity chronic refractory wounds: A case report

Figure 1 A 37-year-old man suffered from traumatic injury, and presented an ulcerated wound on his right lower leg. A: The condition of the wound bed during admission; B: The periosteum was exposed after thorough debridement; C: Concentrated growth factor (CGF) gel was used to cover the wound; D: The appearance of wound on postoperative day 11 after CGF treatment; E: The skin defect showed a healing trend on postoperative day 17 after CGF treatment; F: The wound was well healed after 21 d of CGF treatment.