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Spine Neuroimaging: Computed Tomography Diagnostic Signs
Barata Tavares, Joana; Santos, Carolina M; Cordeiro, Inês; Reimão, Sofia; Campos, Jorge GIntroduction: Computed tomography (CT) scans of the spine are among the most frequently performed neuroradiologic exams, studying several pathologies namely degenerative diseases. Specific signs in spine imaging initially described in conventional radiology can be applied to CT scans. The main goal of this work was their identification and characterization. Methods: A review of the main imagiological signs in C...
Diffusion-weighted MR Imaging Characterization of Progressive Multifocal Leucoe...
Barata Tavares, Joana; Geraldo, Ana F; Neto, Lia; Reimão, Sofia; Campos, Jorge GIntroduction: Progressive multifocal leucoencefalopathy (PML) is a subacute demielinating disease of the Central Nervous System caused by the neurotropic virus John Cunningham (JC), common in immunodeficient patients, namely in HIV infection. PML encephalic lesions have a progressive nature that needs characterization and progressive study, especially for evaluating the therapeutic response. Material and Method...
Double Aortic Arch: Incidental Cerebral Angiography Finding in an Adult Patient...
Barata Tavares, Joana; Leite, Inês; Rodrigues, David; Reimão, Sofia; Leitão, João; Sequeira, PauloIntroduction: Cerebral angiography is a technique used to detect cerebral vessel anomalies. It is critical that a neuroradiologist is familiar with the normal anatomic development and its anomalies as, during an angiography, they may influence the way the procedure is done. Methods: Regarding an incidental finding of a double aortic arch during a cerebral angiography in an adult patient, the authors proceeded t...
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