在采用示指近节背侧带血管神经蒂的岛状皮瓣移植过程中,发现2例血管变异,现报道如下: 本组共8例(男7例,女1例),年龄18～54岁,6例解剖正常,1例因第一掌背动脉缺如,而放弃手术,改用游离植皮。另1例第一掌背动脉虽然存在,但不直接进入示指背侧皮肤,而是在第二掌骨近1/3交界处向尺侧发出分支,供应 In the use of the index finger proximal dorsal vasoactive pedicle island flap transplants found 2 cases of vascular variability, are reported as follows: The group of 8 patients (7 males and 1 females), aged 18 to 54 years , 6 cases of normal anatomy, 1 case due to lack of the first dorsal artery, and give up surgery, use free skin graft. Another case of the first dorsal metacarpus although there, but not directly into the dorsal skin of the index finger, but in the second metacarpal nearly 1/3 junction to the ulnar side of the branch, supply