Headache & Pain
Migraine treatment
Sep. 05, 2023
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Hyperintensity in AQP4 IgG-positive neuromyelitis optica spectrum disorder (MRI)
Axial T2 FLAIR sequence MRI (A) showing a right-sided dorsal pontine hyperintensity extending into the right middle cerebellar peduncle and abutting the fourth ventricle (arrow) in a patient with AQP4 IgG-positive neuromyelitis optica spectrum disorder. (B) T1 post-contrast sequence from the same patient with mild patchy enhancement of the lesion (arrow). (Contributed by Dr. Lama Abdel Wahed.)