Eponym
Millard-Gubler Syndrome
Anatomy
Pons: Basis pontis and fascicles of CN VI amd VII
Vascular
- Basilar artery: Short circumferential branches
- Basilar artery: Paramedian branches
Signs & Symptoms
| Side | Manifestation | Comments |
|---|---|---|
| Contralateral | Weakness – upper and lower extremity | Pyramidal tract |
| Ipsilateral | Lateral gaze weakness | CN VI |
| Ipsilateral | Weakness – face – entire side | CN VII |
Notes
A unilateral lesion of the ventrocaudal pons may invovle the basis pontis and the fascicles of cranial nerves VI and VII. Symptoms include:
- Contralateral hemiplegia (sparing the face) due to pyramidal tract involvement
- Ipsilateral lateral rectus palsy with diplopia that is accentuated when the patient looks toward the lesion, due to cranial nerve VI involvement.
- Ipsilateral peripheral facial paresis, due to cranial nerve VII involvement.