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Bilateral Hyperintensity of the Pulvinar and Dorsomedial Nucleus of the Thalamu...
Casimiro, Carlos; Martins, Joana; Parreira, Tiago; Baldeiras, Inês; Ribeiro, Helena; Batista, Sónia; Machado, Egídio; Maduro, Ana; Rebelo, OlindaIntroduction: Creutzfedt-Jakob Disease (CJD) is a rapidly progressive neurodegenerative disease caused by prions. Early diagnosis and the determination of its form are epidemiologically important, with strong impact on public health. Bilateral pulvinar hyperintensity, either alone (pulvinar sign) or in association with the dorsomedial nucleus of the thalamus (double hockey stick sign) on T2, FLAIR and diffusion...
Conventional and Diffusion-weighted Magnetic Resonance Imaging and Proton Spect...
Casimiro, Carlos; Martins, Joana; Nunes, César; Parreira, Tiago; Batista, Sónia; Cordeiro, Miguel; Matias, Fernando; Rebelo, Olinda; Freitas, PedroIntroduction: MELAS (mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes) is a mitochondrial hereditary dysfunction in which the physiopathological mechanism of cerebral lesions is not totally understood as yet. Typically, these lesions are described as having normal to increased apparent diffusion coefficient (ADC), and this has been used to distinguish stroke-like lesions from ischemic ...
Cerebral venous thrombosis: retrospective analysis of 49 cases.
Santos, Gonçalo Roque; André, Rui; Pereira, Sara Leonor; Parreira, Tiago; Machado, EgídioCerebral Venous Thrombosis (CVT) is a rare and potentially life-threatening disease, accounting for about 0.5% of stroke cases. However, it is believed to be an underdiagnosed condition. Early diagnosis requires a high degree of suspicion and appropriate use of imaging modalities.Imagiological and clinical characterization of CVT cases diagnosed at our hospital from 2004 to 2007.This study was a retrospective, ...
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