Fig. 2From: Sick sinus syndrome as the initial manifestation of neuromyelitis optica spectrum disorder: a case reportMR imaging of the brain and cervical cord. Axial FLAIR brain MRI revealed a high-intensity lesion in the dorsal part of the medulla oblongata (A, B; arrowheads). On T2-weighted cervical MRI, a high-intensity lesion existed in the C3–6 cervical cord (C, D), while slight enhancement was observed in those corresponding areas on gadolinium-enhanced T1-weighted images (E, F)Back to article page