Abstract

Background: Myxopapillary ependymomas and schwannomas represent the most common tumors of the conus medullaris and cauda equina. Here, we present the surgical resection of a 64-year-old male with a lumbar intradural tumor. Case Description: A 64-year-old male presented with several months of the lower extremity weakness, pain, and bowel/bladder dysfunction. Magnetic resonance imaging demonstrated a large L3–5 intradural lesion, and surgical resection using intraoperative neuromonitoring with somatosensory evoked potentials (SSEPs), motor evoked potentials (MEPs), free-running electromygraphy (EMGs), and direct sphincter monitoring was recommended. After an L2-S1 laminectomy was performed, intraoperative ultrasound was used to confirm the cranial and caudal extent of the tumor. The dural was opened using a midline approach, and the tumor was quickly visualized. Through careful dissection, the tumor was debulked and gross total resection was ultimately achieved through a piecemeal resection. Hemostasis was frequently required throughout the case, as the tumor was highly vascular. Postoperatively, the patient was at his neurologic baseline and was discharged to rehab on postoperative day 4. The final pathology revealed the intradural lesion was a paraganglioma. Conclusion: Early intervention and gross total resection of spinal intradural tumors are associated with optimal patient outcomes. Additional adjuncts, such as ultrasound, are beneficial and can help achieve gross total tumor resection.

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