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What are the main differential diagnoses for idiopathic intracranial hypertension?
The main differential diagnoses for idiopathic intracranial hypertension are: dural venous sinus thrombosis, atrophy of the optic nerve (idiopathic or due to multiple sclerosis) and empty sella as a variation.
What are the most common clinical presentations?
The most common clinical presentations include papilloedema (almost 100%) and pulsating headache which can be aggravated by Valsalva manoeuvre (75-100%).
Typical partial empty sella turcica (e.g. 2-12 on the sagittal and 4-8 on the axial view) and the papilloedema (e.g. 4-9 on the axial view).