The four-flap Z-plasty.
D002921:Cicatrix / Q000601:surgery; D003286:Contracture / Q000601:surgery*; D006230:Hand Injuries / Q000601:surgery*; D006801:Humans; D008722:Methods; D016038:Skin Transplantation; D013933:Thumb / Q000601:surgery; D014182:Transplantation, Autologous