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MedPix® Medical Image DatabaseDisease Topic 432
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Contributor: James George Smirniotopoulos, M.D. - Uniformed Services University
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More Like This ? Pseudotumor cerebri
Factoid 432 - Created: 1998-01-26 00:00:00-05 - Modified: 2009-10-29 06:36:09.977427-04
ACR Codes: 1.3
Pseudo tumor cerebri - a clinical presentation suggesting an intracranial tumor (e.g. headache and papilledema) but no tumor is seen on neuroimaging. Patients often have increased intracranial pressure on lumbar puncture

Usually described as "idopathic" there are multiple causes: cerebral edema; hyperemic swelling; and, an imbalance between CSF production and reapsorption. CSF reabsorption may be impaired by venous sinus stenosis or thrombosis.

Obesity and pregnancy are predisposing factors and there is a predilection for women between 20 and 50 years old.

http://www.nvvn.org/voorlichting/PTC_pseudotumor.html
http://www.ajronline.org/cgi/content-nw/full/189/6_Supplement/S64/
http://www.asktheneurologist.com/Pseudotumor-Cerebri.html
http://www.ninds.nih.gov/disorders/pseudotumorcerebri/pseudotumorcerebri.htm

Location:
Brain and Neuro 		Sublocation:
CSF and Subarachnoid		Category:
Differential Diagnosis
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Prepared by: James George Smirniotopoulos, M.D.
Affiliation: Uniformed Services University - || - Author Profile
Approved by: James G. Smirniotopoulos, M.D.
Affiliation: Uniformed Services University - || - Editor Profile
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