Lateral Pontine Syndrome (Marie-Foix Syndrome)


Marie-Foix Syndrome


  • Basilar artery: Long circumferential branches
  • Anterior inferior cerebellar artery

Signs & Symptoms

Side Manifestation Comments
Ipsilateral Ataxia – arm and leg Cerebellar tracts
Contralateral Weakness – upper and lower extremity Corticospinal tracts
Contralateral Hemisensory loss – pain and temperature Spinothalamic tract


Lesion in the lateral pons, including the middle cerebellar peduncle.

  1. Ipsilateral cerebellar ataxia due to involvement of cerebellar tracts
  2. Contralateral hemiparesis due to corticospinal tract involvement
  3. Variable contralateral hemihypesthesia for pain and temperature due to spinothalamic tract involvement


Clinical features and mechanism of occipital infarction. Ann Neurol 1987 Mar;21(3):290-9.