AIM: to study the nerve fiber regeneration after pig skin grafting and the promotive effect of methycobal on it so as to improve the sensory functional recovery after skin grafting.
目的：为改善植皮后感觉功能恢复，研究猪皮肤移植后神经纤维再生及甲钴胺对其再生的促进作用。
2
The repair of peripheral nerve lesions with a long segment defect need grafting conduits, but the allograft results in rejection later.
周围神经的长段缺损需经神经移植修复，而异体神经修复缺损易被排异。
3
Conclusion the resection of the traumatic neuroma combined with nervegrafting and neurotization is really effective in the treatment of early OBPP.