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1.
Clin. biomed. res ; 40(2): 146-147, 2020. ilus
Article Dans Anglais | LILACS | ID: biblio-1148398

Résumé

The central vein sign (CVS) is a promising MRI biomarker in multiple sclerosis (MS). CVS has recently been proposed to improve the accuracy and speed of MS diagnosis. Evidence indicates that the presence of CVS in individual lesions can accurately differentiate MS from other diseases that mimic this condition, such as hypertensive microangiopathy, atypical demyelination, and neuromyelitis optica. Most studies have used 7T MRI scanners, which limits their clinical applicability. Recently, it has been demonstrated that the fusion of the FLAIR and SWI sequences, generating FLAIR*, allows CVS visualization even on 3T scanners. Many studies have confirmed that CVS at 3T is a specific imaging finding for MS. (AU)


Sujets)
Humains , Imagerie par résonance magnétique , Sclérose en plaques/diagnostic , Marqueurs biologiques
2.
Article Dans Portugais | LILACS | ID: biblio-879619

Résumé

A dor abdominal em quadrante inferior direito (QID) é uma queixa freqüente nos pronto-atendimentos médicos. A apendicite e alguns dos seus diagnósticos diferenciais (gastrointestinais) mais prevalentes serão abordados neste artigo, com destaque ao manejo e investigação associando clínica e imagem à Tomografia Computadorizada (TC).


The right low quadrant abdominal pain is a frequent cause of emergency care. Appendicitis and some of its main differential diagnoses (gastrointestinal) will be addressed in this article, especially the management and investigation associating clinic and image at computed tomography (CT).


Sujets)
Douleur abdominale , Tomodensitométrie
3.
Article Dans Portugais | LILACS | ID: biblio-879776

Résumé

O objetivo deste capítulo é auxiliar o médico emergencista a identificar alterações em Tomografias de Crânio nas patologias neurorradiológicas mais prevalentes nesse tipo de serviço. Será realizada breve explicação sobre a definição, epidemiologia, aspectos clínicos e achados de imagem acerca de cada patologia.


The purpose of this chapter is to help the emergency physician to identify changes in skull CT scans of the most prevalent neuroradiological pathologies in this type of service. A brief explanation of the definition, epidemiology, clinical and imaging findings about each pathology will be presented.


Sujets)
Crâne , Urgences , Neuroimagerie , Tomographie
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