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Schwannoma. A 44-year-old male with several months of right-sided lower extremity pain and numbness. (A, B) MRI revealed large intradural tumor. (C) Tumor was debulked using ultrasonic aspirator. (D) A nerve root was found to be involved with tumor, and on stimulation, no motor responses were elicited, allowing for sacrifice of root (arrow). (E) Tumor was able to be totally resected.
