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A. Area Postrema Syndrome From Dorsal Medullary Lesion. Axial brain MRI (A) show T2 hyperintense lesion in the dorsal medulla.
B. Area Postrema Syndrome From Dorsal Medullary Lesion. Axial fluid-attenuated inversion recovery (FLAIR) MRI show T2 hyperintense lesion in the dorsal medulla.
C. Area Postrema Syndrome From Dorsal Medullary Lesion. Axial T1-post gadolinium MRI shows enhancement of the dorsal medullary lesion.
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Coronal T1 postgadolinium MRI in a patient with AQP4+ NMOSD demonstrating an enhancing linear brainstem lesion in the right cerebral peduncle.
