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Pseudotumor cerebri is a process affecting the brain that appears to be - but is not - a tumor. It is often reversible.
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Pseudotumor cerebri is a chronic elevation of intracranial pressure that causes papilloedema and possibly blindness, which occurs in the absence of a mass lesion in the brain. Pseudotumor cerebri primarily affects obese women of childbearing age, and its cause is not known.
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