Fig. 6From: Location, length, and enhancement: systematic approach to differentiating intramedullary spinal cord lesionsNeuromyelitis optica spectrum disease. A 20-year-old female presents with lower back pain and difficulty walking. a Sagittal T2 fat-saturated image demonstrates multiple areas of long-segment hyperintensity (arrows). b Axial T1 post-contrast image of the orbits reveals subtle right optic nerve enhancement (arrow). c Axial T2 image shows central cord involvement (arrow). d Axial T1 post-contrast image demonstrates corresponding enhancement (arrow)Back to article page