通过与周围脊髓或神经根相比，ICG摄取有无增加，28例(93%)患者肿瘤边界在切开硬膜前即得以确认。
Identification of the tumor margins before dural opening was achieved in 28 cases (93%), either by tumor enhancement or absence of ICG uptake in relation to the surrounding spinal cord or nerve roots.
这一事实说明前根细胞的中枢突，也有经后根入脊髓的。
This fact shows that some ventral root cells might give their central processes to enter the spinal cord via dorsal roots.
结论：前根撕脱延期再植回能促进脊髓前角运动神经元的存活与再生。
Conclusions: Delayed reimplantation of avulsion ventral root can enhance motoneuron survival and regeneration.
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