NCIthesaurus has symptom lateral medullary syndrome NCI:C84807 DOID:3522 disease_ontology ICD10CM:G46.3 MESH:D014854 SNOMEDCT_US_2025_09_01:78569004 A brain stem infarction that is characterized by hoarseness, dizziness, nausea, located_in the lateral part of the medulla oblongata that develops from a blockage in the posterior inferior cerebellar artery or one of its branches or of the vertebral artery, has_symptom vertigo, has_symptom ipsilateral cerebellar signs, has_symptom contralateral sensory deficits of limbs and torso, has_symptom ipsilateral sensory deficits of face, has_symptom laryngeal, pharyngeal, and palatal hemiparalysis, has_symptom ipsilateral Horner's syndrome. UMLS_CUI:C0043019 Posterior inferior cerebellar artery syndrome Wallenberg syndrome brain stem infarction vertigo nausea dizziness hoarseness