Lateral medullary syndrome ( Wallenberg syndrome)

• vestibular Nu - vomiting, vertigo, nystagmus
• Inf. cerebellar peduncle - ataxia, dysmetria
• central tegmental tract - palatal myoclonus
• lateral spinothalamic tract - contralateral deficit in pain/temp sense from BODY
• spinal trigeminal Nu - ipsilateral deficit in pain temp sense from FACE
• nucleus ambiguus - ipsilateral laryngeal, pharyngeal, palatal hemiparesis (dysphagia, hoarseness, gag reflex dec) : CN X
• descending sympathetic fiber - ipsilateral horner syndrome (ptosis, miosis, anhydrosis)

 

 

IPSILATERAL

1. CN X palsy

2. Cerebellar signs

3. Horner`s syndrome

4. Impaired pain, temp and touch on the upper half of face

 

CONTRALATERAL

1. Impaired pain, temp over the body