A 39-year-old woman with grade 3 left parietal isocitrate dehydrogenase–mutant astrocytoma treated with surgery, radiation, and chemotherapy presented with aphasia and impaired consciousness. EEG showed seizures from the left parietal region consistent with nonconvulsive status epilepticus. Brain MRI showed the surgical bed without contrast enhancement (Figure 1A). Arterial spin labeling (ASL) was obtained to determine regional cerebral blood flow, showing markedly increased cerebral blood flow (CBF) in

A 15-year-old boy with a 3-month history of renal failure was admitted to the hospital for acute onset dysarthria and apathy. He had nephrolithiasis constantly for 5 years, without history of diabetes or hypertension. On examination, he was fully oriented. Blood pressure was 129/86 mm Hg. Brain MRI revealed hyperintensity on diffusion weighted imaging (DWI) with corresponding apparent diffusion coefficient (ADC) hypointensity in the bilateral centrum semiovale (Figure, A–D). Blood tests revealed elevated

We present the case of a 70-year-old man with a history of embolic stroke, atrial fibrillation, deep vein thrombosis, and polymyalgia rheumatica who presented as a stroke code with transient right-sided focal neurologic deficits (motor and sensory), mild …