Introduction: Intradural extramedullary spinal tumors are usually treated with surgical excision in order to achieve functional improvement and quality of life. Objective: The aim of this study was to identify prognostic factors and to evaluate the outcome of surgical treatment. Methods: Data from medical records of 49 patients who underwent surgery for intradural extramedullary spinal tumor in a single institution - Hospital da Restauração - were collected. The outcome of the patients was assessed through the McCormick Scale and EuroQol-5 dimensions (EQ-5D) in the preoperative period and last follow-up. Results: Significant improvement in the functional status after surgical treatment was observed. There was 93.3% of improvement and 6.7% of stability. A worse functional result was related to a longer symptoms duration (p = 0.074). Age, symptoms duration, tumor location, histopathological diagnosis, and McCormick preoperative had no significant association with the McCormick at final follow-up (p>0.05). Conclusion: Surgical treatment significantly improved the quality of life and neurological deficits of the vast majority of patients. Age, symptoms duration, tumor location, histopathological diagnosis and McCormick preoperative grade did not present prognostic correlation in this study.
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