What brain imaging findings do you find reliable to help support a diagnosis of idiopathic intracranial hypertension?  

In a study by Bidot et al1 transverse venous sinus stenosis (TVSS) was the most useful sign of IIH because of its high pooled sensitivity (97%) and specificity(93%). Orbital findings, such as optic nerve head protrusion, posterior scleral flattening, optic nerve tortuosity, and distention of the opt...