Results Total removal of lesion was achieved in 33 cases, subtotal or partial removal in 4, and incurable lesion in 1. No brain stretchinjury ensued.
结果病灶全切除33例，次全切除及大部分切除4例，无法处理病灶1例，无一例出现脑牵拉损伤。
2
Objective To investigate the ultrastructural and the corresponding electrophysiological changes after stretchinjury of the optic nerve at different stages.
目的研究视神经牵拉伤后不同时期神经组织超微结构的变化及相应的电生理表现。
3
BACKGROUND: Stretchinjury of nerve root is one of reasons for recent onset of failed back surgery syndrome, but precise pathological mechanism has not been verified.