A 29-year-old man with a history of mental disorder was found comatose in his room. There was vomitus throughout the room, which smelled of rotten eggs. In the emergency department,… Click to show full abstract
A 29-year-old man with a history of mental disorder was found comatose in his room. There was vomitus throughout the room, which smelled of rotten eggs. In the emergency department, the patient had normal vital signs and responded only with extension to pain (Glasgow Coma Scale score 4). On the first day of hospitalization, head computed tomography (CT) revealed no abnormalities (Figure 1). Magnetic resonance imaging (MRI) on day 4 of hospitalization revealed bilateral, symmetrical hyperintensity lesions in the putamen on diffusion-weighted and fluid-attenuated inversion recovery images (Figures 2 and 3).
               
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