Methods\ We designed a retrograde nasolabial fold island flap pedicled with the upper lip artery for repairing facial defects.

• 方法解剖上唇动脉的走行与观察鼻唇沟区域皮肤血供关系,设计上唇动脉逆行岛状鼻唇沟皮瓣移转修复面部软组织缺损。