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The authors performed a PubMed search of all peer-reviewed articles from 1988–2014 for patients who underwent a procedure for medically refractory idiopathic intracranial hypertension. The CSF diversion procedure analysis included 435 patients. Postprocedure in this group, there was improvement of vision in 54%, headache in 80%, and papilledema in 70%. The dural venous sinus stenting analysis included 136 patients. In this group, after intervention, there was improvement of vision in 78%, headache in 83%, and papilledema in 97% of patients. The current clinical paradigm of CSF diversion first should be re-examined given the good technical success and low complication rates of stenting.

This is a retrospective study that included 54 patients with a cystic pituitary adenoma and 28 patients with a Rathke cleft cyst who underwent MR imaging followed by surgery. Regression analysis showed that cystic pituitary adenomas and Rathke cleft cysts could be distinguished on the basis of the presence of a fluid-fluid level, septation, an off-midline location, and the presence of an intracystic nodule.

Of 579 patients with intracranial dural arteriovenous fistulas, 545 had 1 fistula and 34 (5.9%) had enlarging, de novo, multiple, or recurrent fistulas. Of those 34 patients, 19 had progressive dural arteriovenous fistulas with de novo fistulas or fistula enlargement. Angioarchitectural correlates to chronically elevated intracranial venous pressures, such as venous sinus dilation and pseudophlebitic cortical venous pattern, were more common in progressive disease. Three young patients died despite endovascular, surgical, and radiosurgical treatments.