Drug-induced insomnia and excessive daytime sleepiness
Jul. 19, 2021
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Gadolinium-enhanced MRI of a patient with left hemispheric subdural empyema. The empyema extends from the interhemispheric fissure over the convexity. There is extensive, significant left-to-right shift and compression of the left lateral ventricle. (Contributed by Dr. John Greenlee.)