• Sarah D Weisberg and John K Houten.
• Division of Neurosurgery, Maimonides Medical Center, Brooklyn, New York, USA.
• World Neurosurg. 2019 Jan 1; 121: 166-168.

BackgroundPatients with chronic subdural hematoma (CSDH) typically present with symptoms of increased intracranial pressure, including headache, nausea/vomiting, and somnolence, or with contralateral weakness. Compression of the convexity cerebral cortex usually causes motor deficit that is more readily appreciated in the upper extremity rather than in the leg, and very subtle deficit may be detected only by looking for pronator drift. The precise pattern of signs and symptoms in CSDH may vary from case to case depending on the specific anatomy of compression, but isolated lower extremity weakness is rare.Case DescriptionA 79-year-old woman presented with isolated footdrop. CSDH overlying the cerebral convexity was detected on computed tomography. The foot weakness resolved on surgical drainage.ConclusionsCSDH overlying the cerebral convexity may manifest with isolated foot weakness. Awareness of the potential for this unusual presentation of CSDH may be useful to the clinician assessing a patient with otherwise unexplained foot weakness.Copyright © 2018 Elsevier Inc. All rights reserved.

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