The spinal cord function got better in 21 cases,13 cases improved by 1 grade,7 cases improved by 2 grade,and 1 case improved by 3 grade. According to Mann classification,the lower limb function relief rate was 91.3%(21/23) after operation.
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- 术后21例患者脊髓功能不同程度提高;提高1级13例;提高2级7例;提高3级1例;术后改善率为91.;3%25(21/23)。