Epilepsy & Seizures
Epileptic spasms
Dec. 21, 2025
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"Starry-sky" pattern on imaging in Rocky Mountain spotted fever
Diffusion-weighted image from a 5-year-old child with Rocky Mountain spotted fever. Arrows indicate punctate foci of increased diffusion, indicating subacute small infarcts due to small vessel vasculitis. (From: Chiang L, Ramchandar N, Aramkul J, et al. Rocky mountain spotted fever in children along the US-Mexico border, 2017-2023. Emerg Infect Dis 2024;30(11):2288-2293. Public domain.)