Eponym
Raymond Syndrome
Anatomy
Pons: Ventral medial pons
Vascular
Basilar artery: Paramedian branches
Signs & Symptoms
| Side | Manifestation | Comments |
|---|---|---|
| Ipsilateral | Lateral gaze weakness | CN VI |
| Contralateral | Weakness – upper and lower extremity | Pyramidal tract |
Notes
Raymond Syndrome (Alternating abducens hemiplegia) A unilateral lesion of the ventral medial pons, which affects the ipsilateral abducens nerve fascicles and the corticospinal tract but spares cranial nerve VII.
- Ipsiplateral lateral rectus paresis, due to cranial nerve VI involvement
- Contralateral hemipegia, sparing the face, due to pyramidal tract involvement
References
J Neurol Neurosurg Psych 58:261, 1995.