Wallenberg’s syndrome /väl′en·bergz/ [Adolf Wallenberg, German physician, 1862–1949] , a syndrome resulting usually from occlusion of the vertebral artery and less often from occlusion of its branch, the posterior inferior cerebellar artery; it is marked by loss of temperature and pain sensations of the face on the same side as the lesion, contralateral loss of these sensations in the trunk and extremities, and a variety of other neurologic and ocular symptoms, including Horner’s syndrome. Also called lateral medullary syndrome, posterior inferior cerebellar artery syndrome.
