• Acute bilateral weakness of the extremities with weakness of the tongue classically signals a medullary lesion. A patient had these signs, but at autopsy, bilateral cortical border-zone infarcts and an entirely normal brainstem were found. This case points out the importance of considering bilateral cortical border-zone infarction in the presence of bilateral motor or sensory signs, especially when there is sparing of facial motor function.
Fisher M, McQuillen JB. Bilateral Cortical Border-zone Infarction: A Pseudobrainstem Stroke. Arch Neurol. 1981;38(1):62–63. doi:10.1001/archneur.1981.00510010088021
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