Presentation
Hypertension, right-sided weakness, vertigo, dysphagia, and right-sided Horner syndrome.
Patient Data
Round to oval T1WI hypointense, T2WI, and FLAIR hyperintense signal intensity is seen in the right lateral part of the medulla. The lesion is hypointense in the ADC and shows intense diffusion restriction.
Case Discussion
MRI features consistent with an acute infarct in the right lateral part of the medulla. The lateral medullary syndrome is a clinical condition in which patients present with ipsilateral Horner syndrome, ipsilateral ataxia, vertigo, dysphagia, and contralateral limb numbness. The condition results mostly from occlusion of the posterior inferior cerebellar artery or branches of the vertebral artery. It is also known as Wallenberg syndrome.
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