摘要：Aim:The classical keystone-design flap,although elegantly employed for various trunk defects,has limited movement on the *** study aims to modify the keystone–design flaps for leg ***:A keystone-design flap,in which perforators are identified and dissected,is described specifically for elliptical defects overlying the ***:It retains the unique advantages of both the perforator island flap concept as well as the keystone-design ***:The technique as well as the possibilities of raising such flaps over various areas of the leg is outlined.