Neurology Networks tries to offer broad exposure to various topics that may be presented on the veterinary neurology board exam.

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Cavernous Sinus Syndrome

Cavernous sinus syndrome involves dysfunction of structures that course along with the cavernous sinus at the base of the skull.  Cavernous sinus syndrome can include internal and external ophthalmoplegia (CNN III, IV, VI) and varying CN V deficits (ophthalmic and maxillary branches). The sympathetic innervation to the eye courses near the sinus so Horner’s signs can also sometimes be seen.




Link to more information:



**A Practical Guide to Canine and Feline Neurology, 2nd edition. Dewey 2008. Pp25-27.

**Miller’s Anatomy of the Dog, 3rd edition. Evans 1993. Pp 708, 710.