Objective: Reporting clinical experience of repairing the defect of thumb or the tiger s mouth with a reverse insular fan shaped fascia flap with vein and nerve pedicel of second metacarpus.

• 目的:探讨应用扁形筋膜血管神经蒂第二掌指背岛状皮瓣治疗拇指或虎口的适宜方法。