Abstract
Intramedullary spinal cord tumors (IMSCTs) are treated with gross total resection (GTR) for favorable long-term outcome. Monitoring of D-waves in combination with motor evoked potentials (MEPs) minimizes risk of permanent injury to the spinal cord. We present the case of an 8-year-old female with cervical intramedullary ependymoma, an uncommon IMSCT in children. Though > 50% decrement in amplitude of MEPs was noted intraoperatively, D-waves remained stable and GTR of the tumor was thus continued. Despite an immature corticospinal tract in children, we recommend monitoring of D-waves in addition to MEPs to ensure safe GTR of an IMSCT.
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