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Delayed, transient neurological deterioration after mild head injury--case report
E Urasaki1, H Yasukouchi, A Yokota
1Department of Neurosurgery, University of Occupational and Environmental Health, Kitakyushu, Fukuoka.
Abstract:
A 16-year-old boy presented with delayed, transient neurological deterioration 18 days after mild head injury. Left hemiparesis and left homonymous hemianopsia appeared after right frontal contusional and mild subdural hematomas subsided. Neuroimaging examinations including cerebral angiography, magnetic resonance imaging, and single photon emission computed tomography showed vasodilation and hyperemia in the right cerebral hemisphere. The present case is not typical of acute "juvenile head trauma syndrome," but may represent a possible pathophysiology of the delayed type of transient neurological deterioration after mild head injury.