There were fasciocutaneous cross-leg flap, gastrocnemius musculocutaneous and gastrocnemius muscle cross-leg flap.All of these flap survived.

• 提出三个病例，依序是交叉腿腓肠肌肌皮瓣，交叉腿腓肠肌肌瓣及交叉腿筋膜皮瓣，所有的皮瓣均存活。