Pseudotumor cerebri

Pseudotumor cerebri
Increased pressure within the brain in the absence of a tumor. Symptoms may include headache, nausea, vomiting, pulsating intracranial noises, singing in the ears, double vision, loss of visual accuracy, and even blindness. It is most common in women between the ages of 20 and 50. The cause is usually not known. The condition is associated sometimes with the use of tetracycline, nalidixic acid, nitrofurantoin, phenytoin, lithium, and amiodarone, and the overuse of vitamin A. Diagnosis is by brain imaging and

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pseudotumor cer·e·bri -'ser-ə-.brī n an abnormal condition that is characterized by increased intracranial pressure, headaches of varying intensity, and papilledema without any demonstrable intracranial lesion and that tends to occur in overweight women from 20 to 50 years of age called also benign intracranial hypertension

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a condition of raised intracranial pressure with normal cerebrospinal fluid, in the absence of an intracranial mass, hydrocephalus, or other identifiable cause; symptoms include headache, nausea, vomiting, papilledema, and sometimes pulsatile tinnitus. Called also benign or idiopathic intracranial hypertension.

Medical dictionary. 2011.

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