The bile duct injury during operation with defect performance was common in clinic.
2
结果：严格掌握手术适应证及手术时机，遵循再次手术的解剖特点，可以显著降低副损伤的发生。
Results; to grasp the fitness and chance of operation strictly, to conform the anatomical features can reduce hurting rate.
3
结论接触式激光可以精确地切除和汽化髓内肿瘤，减少副损伤，增加脊髓髓内肿瘤的切除率和术后功能好转率。
Conclusion the contact laser can precisely dissect and vaporize the tumors so to increase the resected degree of tumor and the postoperative functional recovery rate.
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