<prompt> Wallenberg syndrome involves which aeryAnterior inferior cerebellar aeryPosterior inferior cerebellar aerySubclan aeryPosterior cerebral aery  <response>: WALLENBERG SYNDROME : Lateral medullary ischemia do ipsilateral veebral aery in most cases or PICA in few cases Features of Wallenberg Syndrome : Ipsilateral paralysis of most muscles of soft palate, pharynx larynx do injury to nucleus ambiguous CN IX, X, XI Loss of pain temperature from same side of face due todamage to spinal nucleus tract of CN V Loss of pain temperature on opposite side of the body, due to inducement of lateral spinothalamic tract. Giddiness do damage to vestibular nuclei. 