Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Cavernous sinus syndrome

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Cavernous sinus syndrome: A condition characterized by swelling of the eyelids and the conjunctivae of the eyes, as well as paralysis of the cranial nerves that course through the cavernous sinus. It is caused by a cavernous sinus thrombosis.