![]() The vertebral artery dissection (VAD) is a common and important cause of stroke in younger people, but, often treatable. Approximately 10% of strokes occur in patients <50 years of age. This affection is dangerous because of his frequency as a cause of stroke and his gravity for vital prognostic. Occlusion of these vessels may be due to stenosis from arteriosclerosis/emboli or arterial dissection. It results an occlusion of posterior inferior cerebellar artery (PICA) or the vertebral artery. Wallenberg syndrome or Lateral medullary syndrome (LMS) is also known as posterior inferior cerebellar artery syndrome. Mots clés : Antithrombotique, artère, dissection, thrombose, Wallenberg, IRM. Key words: Antithrombotic, artery, dissection, thrombosis, Wallenberg, MRI. In front of a sudden neck pain and vertigo, think about Wallenberg’s syndrome and do quickly an imaging. They were treated by the antithrombotic drugs (antiplatelet drugs) and low-molecular weight heparins. The MRI-DWI showed an acute left posterolateral medulla infarct and the CT angiography revealed thesevere left vertebral artery thrombosis. A 48-year-old man, cumulated cardiopathy factors risks, admitted with sudden vertigo, disequilibrium and neck pain. A 34-years-old woman, no cardiopathy factors only obesity, no trauma, admitted for acute vomiting, vertigo, neck pain and weakness earlier in themorning and MRA FAT/SAT showedbilateral vertebral artery dissections without an evident posterolateral medulla infarct on MRI-DWI. So we report two cases of Wallenberg’s syndrome caused by spontaneous bilateral vertebral dissection and vertebral thrombosis and their clinical, prognostic and therapeutic aspects. The antithrombotic treatment (antiplatelet drug) and low-molecular weight heparins allow to reduce the neurological sequelea. The Magnetic Resonance Imagine diffusion weighted inversion (MRI-DWI), the Magnetic Resonance Angiography (MRA) sequence FAT/SAT and the computed tomography (CT) angiography of the brain allow quickly to the diagnosis. ![]() ![]() The artery dissection may be spontaneous or after trauma is an important and often treatable cause of the stroke in younger people. It’s a dangerous affection because of his gravity for vital prognostic by the paralysis of cranial nerves. The Wallenberg syndrome or lateral medullar syndrome (LMS) is also known as posterior inferior cerebellar artery syndrome.
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