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Edema of the cervical spinal cord on T2-weighted sequences with spinal cord swelling and expansion into the brainstem

Excessive yawning spells were a significant symptom of AQP4-IgG seropositive neuromyelitis optica spectrum disorder in this 67-year-old woman. (Source: Spahlinger V, Niessen A, Rauer S, Krämer S, Reinhard M. The big yawning: pathological yawning as a symptom of neuromyelitis optica spectrum disorders. Case Rep Neurol Med 2019;2019:9691863. Creative Commons Attribution License.)

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