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Kernohan-Woltman Notch Phenomenon Following Acute Subdural Hematoma
Nathan Beucler1, Marie Monnier2, Anthony Faivre3
1Neurosurgery Department, Sainte-Anne Military Teaching Hospital, Toulon, France; Ecole du Val-de-Grâce, French Military Health Service Academy, Paris, France.
Abstract:
A 72-year-old right-handed female patient was operated on for left-sided acute subdural hematoma responsible for coma. Two weeks afterward, her neurological status had improved with a Glasgow Coma Scale score of 14 and a paradoxical left-sided hemiparesis. The brain magnetic resonance imaging displayed a diffusion-restricting, hyper fluid-attenuated inversion recovery lesion of the right cerebral peduncle facing the tentorial notch, and the patient was diagnosed with Kernohan-Woltman notch phenomenon. This allowed to focus the neurological rehabiliation on the ipsilateral motor deficit as well as the hemineglect.
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