An 18-year-old woman was found in bed with right-sided hemiplegia and global aphasia. Acute ischemic lesions in the left basal ganglia, the left insula cortex, and the cortex of the left parietal lobe were found on diffusion-weighted MRI (Figure 1). The patient underwent contrast echography, and a patent foramen ovale with right-to-left shunt was diagnosed (Figure 2). Systemic anticoagulation w...
