Basic Study
Copyright ©The Author(s) 2018.
World J Clin Cases. Sep 6, 2018; 6(9): 249-258
Published online Sep 6, 2018. doi: 10.12998/wjcc.v6.i9.249
Table 1 Grading criteria for histopathological assessment of scar tissue by He et al[29]
GradeWidth of the scar tissue
0No scar tissue in dura mater
1Thin fibrosis bands present between scar tissue and dura mater
2Adhesions holding 2/3 of the laminectomy defect present
3Widespread scar. More than 2/3 of the laminectomy defect affected