MedLink Neurology Podcast is delighted to feature selected episodes from BrainWaves, courtesy of James E Siegler MD, its originator and host. BrainWaves is an academic audio podcast whose mission is to educate medical providers through clinical cases and topical reviews in neurology, medicine, and the humanities, and episodes originally aired from 2016 to 2021. Originally released: July 18, 2017 Idiopathic intracranial hypertension, also known as the pseudotumor cerebri syndrome, is characterized by elevated intracranial pressure with clinical features of headaches, vision impairment, and occasionally cranial nerve palsies in the absence of a structural lesion on neuroimaging. But that doesn't mean the neuroimaging has to be normal. See what Dr. Anita Kohli has to say about the radiographic correlates of idiopathic intracranial hypertension, their relevance, and their prognostic utility in this week's episode. BrainWaves podcasts and online content are intended for medical education only and should not be used to guide medical decision-making in routine clinical practice. REFERENCES Agid R, Farb RI, Willinsky RA, Mikulis DJ, Tomlinson G. Idiopathic intracranial hypertension: the validity of cross-sectional neuroimaging signs. Neuroradiology 2006;48(8):521-7. PMID 16703359Bidot S, Bruce BB. Update on the diagnosis and treatment of idiopathic intracranial hypertension. Semin Neurol 2015;35(5):527-38. PMID 26444398Bidot S, Clough L, Saindane AM, Newman NJ, Biousse V, Bruce BB. The optic canal size is associated with the severity of papilledema and poor visual function in idiopathic intracranial hypertension. J Neuroophthalmol 2016;36(2):120-5. PMID 26580295Bidot S, Saindane AM, Peragallo JH, Bruce BB, Newman NJ, Biousse V. Brain imaging in idiopathic intracranial hypertension. J Neuroophthalmol 2015;35(4):400-11. PMID 26457687Friedman DI, Liu GT, Digre KB. Revised diagnostic criteria for the pseudotumor cerebri syndrome in adults and children. Neurology 2013;81(13):1159-65. PMID 23966248Zagardo MT, Cail WS, Kelman SE, Rothman MI. Reversible empty sella in idiopathic intracranial hypertension: an indicator of successful therapy? AJNR Am J Neuroradiol 1996;17(10):1953-6. PMID 8933886  We believe that the principles expressed or implied in the podcast remain valid, but certain details may be superseded by evolving knowledge since the episode’s original release date.

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