AICA, PICA syndromes

Question 1

lateral pontine syndrome

Answer 1

occlude AICA
N/V/Vertigo (vestibular nuclei)
facial paralysis, decreased lacrimation/salivation (facial motor nuc.)
nerve deafness (cochlear nuc)
analgesia of ipsy face (spinal trigem nuc)
analgesia of contralat body (spinothalamic)

Question 2

lateral medullary syndrom

Answer 2

occlude PICA
same as lateral pontine syndrome EXCEPT:
facial paralysis/nerve deafness (not present)
+
added contralat uvula deviation (nucleus ambiguus)