Pseudotumor cerebri.

Pseudotumor cerebri is an unusual syndrome of increased intracranial pressure without a space-occupying mass. Many associations are known, but the pathogenesis remains a mystery. The diagnosis and treatment of pseudotumor cerebri are often challenging. Because it is not rare, neurosurgeons, neurologists, and ophthalmologists frequently work in concert to manage these patients. This article reviews the diagnostic criteria and differential diagnosis of pseudotumor cerebri. The medical and surgical treatments currently employed in this disorder are discussed.