For the long and thick neurologic defect,autograft transplantation is not the first choice because of the limited donor supply and lass of function of donor area.

• 对长段粗大神经缺损,选用自体神经移植存在着供体有限和不同程度地造成供区功能丧失等缺点,目前多趋向于行异体神经移植。