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Idiopathic intracranial hypertension 

Idiopathic intracranial hypertension
Idiopathic intracranial hypertension

N.F. Lawton


A relevant case history from Neurological Case Histories: Case Histories in Acute Neurology and the Neurology of General Medicine has been added to this chapter.

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date: 27 September 2021

Case History—A 40 yr old man presenting with headache and visual disturbance.

Idiopathic intracranial hypertension is a syndrome of raised intracranial pressure in the absence of an intracranial mass lesion, enlargement of the cerebral ventricles due to hydrocephalus, or venous thrombosis in the dural sinuses. Impaired cerebrospinal fluid absorption and raised cerebral venous pressure have both been implicated. Obese females of childbearing age are predominantly affected. Rarely, provocative factors include tetracycline, vitamin A derivatives, hypervitaminosis A, and vitamin A excess....

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