eMedicine - Pseudotumor Cerebri : Article by James Goodwin, MD - Pseudotumor Cerebri - Idiopathic intracranial hypertension (IIH) is a disorder of unknown etiology. It affects predominantly obese women of childbearing age. The primary problem is chronically elevated intracranial pressure (ICP), and the most important neurological manifestation is papilledema, which may lead to progressive optic atrophy and ...