Occlusion of which of the following aery result in lateral medullary syndrome?
High-Yield Explanation
Occlusion of posterior inferior cerebellar aery result in lateral medullary syndrome. Occlusion of this aery can affect the emerging fibers of ninth and tenth nerves, vestibular nuclei, descending tract and nucleus of fifth nerve and solitary nucleus and tract. Patients with occlusion of this vessel develop dysphagia, hoarseness, ipsilateral paralysis of vocal cord, ipsilateral loss of pharyngeal reflex, veigo, nystagmus, ipsilateral facial analgesia and loss of taste on ipsilateral half of tongue posteriorly. Ref: Waxman S.G. (2010). Chapter 12. Vascular Supply of the Brain. In S.G. Waxman (Ed), Clinical Neuroanatomy, 26e.