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Wallenberg syndrome
(vahlŽәn-bәrg)
a syndrome due usually to occlusion of the vertebral artery, and less often to occlusion of its branch, the posterior inferior
cerebellar artery; marked by ipsilateral loss of temperature and pain sensations of the face and contralateral loss of these
sensations of the extremities and trunk, ipsilateral ataxia, dysphagia, dysarthria, nystagmus, and Horner syndrome. Called also lateral medullary syndrome and posterior inferior cerebellar artery syndrome.
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