Scar-centered dilation in the treatment of large keloids

Figure 1 A 69-year-old patient with keloids. A: Two prominent skin, and the edge beyond the scar base; B: In the first stage of operation, expander implantation was performed through an intrascar incision; C, D: The methylene blue line was the designed range of expander implantation; after expander implantation, normal saline was rapidly injected to dilate it; expander water injection; E: After injection of saline, the expander was removed and the expanded flap was sutured. Continuous superficial radiotherapy after the operation, for 4 d; F: Two weeks after the operation, immediate suture removal was done.