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Bilateral subdural hematomas diagnosed with technetium-99m-HMPAO brain SPECT
1Department of Radiology, University of British Columbia, Vancouver, Canada.
Abstract:
An elderly patient with a complex history of organic dementia but a normal neurologic examination had a 99mTc-hexamethylpropylene-amine-oxime (HMPAO) brain scan for a suspected cerebrovascular accident or space-occupying lesion. The study showed no perfusion abnormality in the brain parenchyma, but bilateral flattening and inversion of the normal hemispheric convexities, with separation from the skull was identified. Bilateral subdural hematomas (SDH) were suspected and the patient had a computed tomographic scan that confirmed the diagnosis.