Lateral Inerior Pontine
Occlusion of AICA (AKA AICA syndrome). Contralateral loss of pain and temperature from body (spinothalamic tract). Cerebellar ataxia (MCP). Ipsilateral loss of pain and temp from face (trigeminal nucleus). Nystagmus, nausea, vomiting and vertigo and central deafness (vestibular nucleus). Ipsilateral paralysis of lower face, taste from anterior 2/3, loss of corneal and stapedial reflex (facial nucleus). Ipsilateral Horner's SYndrome (pupillary constriction, enopthalmos -sunken eyelid, anhydrous -loss of sweating on one side of face, upside-down ptosis).