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Comment & Response
April 20, 2020

Magnetic Resonance Imaging for Acute Minor Neurological Symptoms: Good for Ruling Stroke in, Not Out

Author Affiliations
  • 1Division of Brain Sciences, Imperial College London, Charing Cross Hospital, London, England
JAMA Neurol. 2020;77(6):775-776. doi:10.1001/jamaneurol.2020.0661

To the Editor An observational study of magnetic resonance imaging (MRI) in acute minor neurological symptoms1 revealed imaging evidence for acute infarction in 13.5% and revision of clinical diagnosis in 30%. This “implies a considerable percentage of patients’ negative MRI findings resulted in a different diagnosis, likely that a presumed stroke did not exist.”2 This conclusion is misleading in 2 respects.

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