A 45-year-old woman presented to the emergency department of an outside hospital with shortness of breath and cough. Five days after initial presentation, the patient presented again to the same emergency department with worsening headache and progressive left arm and left leg weakness. She was transferred to the neuroscience intensive care unit of our hospital with concern for an intracranial abnormality based on her work-up at the outside hospital. Her past medical history was notable only for a large uterine fibroid. In our hospital, CT of the brain and chest (Figs 1, 2) and MRI of the brain, including perfusion studies (Figs 3, 4), were performed. Additionally, CT venography of the brain was performed (Fig 5).
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