Lateral medullary syndrome
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Occlusion of the posterior inferior cerebellar artery (PICA) causes the lateral medullary syndrome and infarction of lateral medulla. The typical signs and symptoms are crossed hemisensory disturbance (ipsilateral face, contralateral body), ipsilateral horner syndrome and ipsilateral cerebellar signs. It is important to diagnose lateral medullary infarction because it is associated with vertebral artery dissection in 15% to 26% of cases. Lateral medullary syndrome (LMS), also known as Wallenberg’s syndrome and posterior inferior cerebellar artery syndrome is a rare cause of stroke. Variability of presentation is cause of underdiagnose for LMS. In our case, a 61-year-old male, non-diabetic, hypertensive presented with sudden onset of a headache and ataxia of the gait. After clinical and radiological evaluation, he was diagnosed as LMS...

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