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Reversible Brainstem Edema due to Hypertensive Encephalopathy in an 8-Year-Old Girl

The authors report an 8-year-old girl with refractory status epilepticus due to hypertensive encephalopathy, secondary to end-stage renal disease. Brain magnetic resonance imaging (MRI) in the acute phase showed striking hyperintensities in the brain stem and medial thalamus along with subtle cortical lesions. After successful control of hypertensive crisis and status epilepticus, the patient recovered to her baseline. Near total resolution of the lesions was noted on follow-up imaging performed 9 days later. Predominant brainstem involvement as a feature of posterior reversible encephalopathy syndrome due to hypertensive crisis is extremely rare in children and has not been well documented.