Endoscopically controlled surgery with open hemilaminectomy for the treatment of intradural extramedullary tumors: an operative technique and short-term outcomes of 20 consecutive cases

Abstract Background To present a surgical technique for the treatment of intradural extramedullary (IDEM) tumors by using endoscopically controlled surgery with open hemilaminectomy technique. Methods In this study, 20 patients 22 IDEM were enrolled. An was employed to remove tumors. Data related clinical symptoms and medical images before after collected perioperative evaluation follow-up analysis. Results All in well removed. The significantly reduced all as well. short-term data showed that there no tumor recurrence or spinal deformity. Conclusion provided favorable exposure satisfactory resection It may be an effective method treating Larger samples longer are needed verify its long-term effectiveness.