Saturday, June 26, 2010

Wallenberg's Lateral Medullary Syndrome



CAUSE
Posterior Inferior Cerebellar Artery (PICA) occlusion
(lead to brainstem infarction)


FEATURES
dysphagia, dysarthria (IX and X nuclei)
vertigo, nausea, vomiting, nystagmus (vestibular nucleus)
ipsilateral ataxia (inferior cerebellar peduncle)
ipsilateral Horner's syndrome (descending symphathetic fibers)
loss of pain & temperature sensation on ipsilateral face (V nucleus)
loss of pain & temperature sensation on contralateral limbs (spinothalamic tract)
NO limb weakness (pyramidal tracts are unaffected)

Thanks to Dr Ngiu for showing us patient with Wallenberg's Lateral Medullary Syndrome.

A115262

1 comments:

fei4ren2 said...

add on:

hoarseness, paralysis of vocal cord, diminished gag reflex -- CNs IX and X

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