Penetrating trauma of the posterior fossa resulting in Vernet's syndrome and internuclear ophthalmoplegia.

We report the case of a young male assaulted with a screwdriver, which was embedded in the posterior fossa, causing Vernet's syndrome and internuclear ophthalmoplegia. His hospital course and the cranial nerve deficits sustained as a result of the injury with the relevant neuroanatomy are discussed.