Fig. 3From: The role of anti-aquaporin 4 antibody in the conversion of acute brainstem syndrome to neuromyelitis opticaAxial T2-weighted FLAIR MRI shows periependymal lesions are involved in the dorsal midbrain (a, b and f, g; arrow) and pons (c, d and h, i; arrows). Sagittal T2-weighted FLAIR MRI shows increased signal surrounds the fourth ventricle (e and j; arrows)Back to article page