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March 1, 1993

Dural enhancement and cerebral displacement secondary to intracranial hypotension

March 1993 issue
43 (3_part_1) 609

Abstract

We studied a patient with spontaneous intracranial hypotension whose gadolinium-enhanced MRI revealed an extraordinary degree of dural enhancement and striking displacement of the optic chiasm, flattening of the pons, and downward displacement of the cerebellar tonsils. These changes were reversed when a CSF leak at the site of a T12-L1 arachnoid cyst was closed following an epidural blood patch. Such diffuse meningeal enhancement results from the dural venous dilatation that accompanies a reduced CSF volume, a consequence of the Monro-Kellie rule.

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Information

Published In

Neurology®
Volume 43Number 3_part_1March 1993
Pages: 609
PubMed: 8451008

Publication History

Published online: March 1, 1993
Published in print: March 1993

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Authors

Affiliations & Disclosures

Robert A. Fishman, MD
Departments of Neurology (Dr. Fishman) and Radiology (Dr. Dillon), University of California, San Francisco, San Francisco, CA.
William P. Dillon, MD
Departments of Neurology (Dr. Fishman) and Radiology (Dr. Dillon), University of California, San Francisco, San Francisco, CA.

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