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      Un AVC ischémique a IRM cérébrale normale: à propos d’un cas Translated title: Ischemic stroke despite normal brain MRI: about a case

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          Abstract

          L'IRM cérébrale reste un examen de référence pour diagnostiquer un accident vasculaire cérébrale. La sensibilité au cours d'un accident vasculaire cérébrale à la phase aigüe n'atteint pas toujours 100%. Nous rapportons un cas d'un accident vasculaire cérébral ischémique à IRM cérébrale initiale normale. L'IRM cérébrale normale à la phase précoce d'un accident vasculaire cérébrale pose un doute sur l'indication de la thrombolyse qui est le traitement de référence en cas d'embole cérébrale. La répétition d'un examen avec coupe fine, en séquence de diffusion B2000 permettrait de mettre en évidence l'infarctus de très petit volume non visualisé par IRM cérébrale conventionnelle.

          Translated abstract

          MRI remains the current gold standard imaging modality to diagnose ischemic stroke. MRI sensitivity for acute ischemic stroke detection does not always reach 100%. We report the case of a patient with ischemic stroke despite normal initial brain MRI. Normal brain MRI during the early phase of ischemic stroke raises doubt about the indication for thrombolysis which is the treatment of choice for cerebral embolism. The repetition of fine cut examination by B2000 diffusion weighted imaging (DWI) enables the early detection of small volume infarction not visualized by conventional brain MRI.

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          Most cited references5

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          Prise en charge des accidents vasculaires cérébraux à la phase aiguë

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            [Ischemic vascular accidents in the acute phase].

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              Stratégie pratique en urgence face à un accident vasculaire cérébral

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                Author and article information

                Journal
                Pan Afr Med J
                Pan Afr Med J
                PAMJ
                The Pan African Medical Journal
                The African Field Epidemiology Network
                1937-8688
                26 September 2016
                2016
                : 25
                : 22
                Affiliations
                [1 ]Service de Neurologie, Centre Hospitalier de Pontarlier, France
                [2 ]Service de Neurologie, Centre Hospitalier Joseph Raseta Befelatanana, Madagascar
                Author notes
                [& ]Corresponding author: Glorien Jemissair Lemahafaka, Service de Neurologie, Centre Hospitalier de Pontarlier, France
                Article
                PAMJ-25-22
                10.11604/pamj.2016.25.22.10413
                5268757
                28154714
                428ef8bc-f3e9-4b66-840f-808c7e7049e5
                © Glorien Lemahafaka et al.

                The Pan African Medical Journal - ISSN 1937-8688. This is an Open Access article distributed under the terms of the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 26 July 2016
                : 02 August 2016
                Categories
                Case Report

                Medicine
                avc,ischémie cérébrale,irm cérébrale,stroke,brain ischemia,brain mri
                Medicine
                avc, ischémie cérébrale, irm cérébrale, stroke, brain ischemia, brain mri

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