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Pseudotumor Cerebri

Atlas of Common Pain Syndromes, Page: 30-35
2024
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Book Chapter Description

Pseudotumor cerebri is a relatively common cause of headache. It has an incidence of 2.2 per 100,000 patients, approximately the same incidence as cluster headache. Also known as idiopathic intracranial hypertension, pseudotumor cerebri is seen most frequently in overweight women between the ages of 20 and 45 years. An increased incidence of pseudotumor cerebri is also associated with pregnancy. The exact cause of pseudotumor cerebri has not been elucidated, but the common denominator appears to be a defect in the absorption of cerebrospinal fluid. Predisposing factors include ingestion of various medications including tetracycline, vitamin A, corticosteroids, and nalidixic acid. Other implicating factors include blood dyscrasias, anemias, endocrinopathies, and chronic respiratory insufficiency. In many patients, however, the exact cause of pseudotumor cerebri remains unknown.

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