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A 43-year-old member asked:

What're the tests for idiopathic intracranial hypertension?

2 doctor answers3 doctors weighed in
Dr. William Goldie
Pediatric Neurology 48 years experience
Spinal tap: The most direct test is to measure pressure in the spinal fluid. This is done with a spinal tap and pressure measuring column. The fluid column is measured, and then the fluid is drained off. Just draining the fluid can relieve symptoms. Analysis of the fluid would rule out more serious conditions. This procedure is easily performed in a doctor's office or emergency room.
Dr. Jefferson Chen
Neurosurgery 34 years experience
CT, MRI, LP: Imaging studies like cts or mris are useful to start with to make certain that there isn't actually a lesion(ie. Tumor) that is causing the intracranial pressure. Also the cerebral ventricles can be visualized to ensure there isn't frank hydrocephalus. A physical examination with fundoscopy can reveal transmitted pressure to the optic discs. Finally, an LP can measure the spinal pressure.

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A 47-year-old member asked:

What are the kinds of tests used for idiopathic intracranial hypertension?

1 doctor answer1 doctor weighed in
Dr. Jefferson Chen
Neurosurgery 34 years experience
Spinal tap: The neurologic exam and the history obtained by the neurologist are the starting point. Examination of the eyes and the fundi of the eye can give information about whether or not there is pressure transmitted to the optic apparatus. Ct scans or mris rule out any mass lesion or obstructive hydrocephalus.A spinal tap is done to document the CSF pressure and if there is any relief with removal of csf.
Valley Park, MO
A 24-year-old female asked:

What is idiopathic intracranial hypertension and what causes it ?

1 doctor answer1 doctor weighed in
Dr. Bennett Machanic
Neurology 52 years experience
Pseudotumor Cerebri: Condition results in abnormal accumulation of too much intracranial fluid, causing headaches, changes in visual acuity, and obscurational attacks. It seems related to obesity, menstrual and hormonal dysfunction, cerebral vein obstruction, toxins such as high levels of vitamin A, certain antibiotic reactions, and more, BUT not clear why the system fails. Diamox (acetazolamide) and brain shunting may help.
A 36-year-old member asked:

What is idiopathic intracranial hypertension?

1 doctor answer3 doctors weighed in
Dr. William Goldie
Pediatric Neurology 48 years experience
Unknown cause: Ideopathic means unknown. Pressure in the brain is usually due to tumor or infection. If these are ruled out, the pressure is considered ideopathic. Another term can be pseudo tumor. There can be normal pressure hydrocephalus in the elderly, but reducing "pressure" makes them better.

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Last updated Jun 10, 2014

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