Sagittal T1-weighted contrast-enhanced (A), sagittal T2-weighted (B), and axial T1-weighted contrast-enhanced (C) magnetic resonance spine images show an enhancing intradural mass (circles) involving the cauda equina. Image A shows enhancement along the conus medullaris and adjacent focal nodular enhancement concerning for leptomeningeal spread (arrows). A pathologic diagnosis of myxopapillary ependymoma, World Health Organization (WHO) grade 2, was confirmed at the time of resection.
Courtesy of Santhosh A Upadhyaya, MD, and Christopher Tinkle, MD, PhD.
