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Background: Spinal cord tumors represent 2-4% of all CNS tumors. Ependymomas are the most frequent lesions of the spinal cord¹. Gross total resection remains the gold standard².

Method: We describe the mini-invasive surgical technique using a fixed tubular retractor performed for the resection of an ependymoma of the filum terminale, along with its advantages and limits.

Conclusion: This mini-invasive technique has shown to be safe and effective for the resection of filum terminale ependymoma, with a good impact on postoperative pain and less risks of CSF leak, which is probably secondary to a limited dead space.