Abstract:
BACKGROUND:The purpose of this work was to describe a clinical and radiographic pattern of findings that helps localize the site of spontaneous cerebrospinal fluid (CSF) leaks. METHODS:This study was a retrospective review of CSF leaks treated at the University of Texas Southwestern Medical Center from 2000 to 2009. Data collected included demographics, nature of presentation, imaging findings, intraoperative location of skull-base defect, and clinical follow-up. RESULTS:Forty-six patients' charts were reviewed. Among these patients, 15 did not show a bony skull-base defect on high-resolution computed tomography (CT) scan. They did, however, each show a small area of opacification in the olfactory cleft. In each case, this area of opacification correlated with the site of the CSF leak. Intrathecal fluorescein was not used, except in 2 instances. Successful repair was noted in all patients on follow-up, without evidence of recurrence at the repair site. CONCLUSION:In the absence of a clearly identifiable bony skull-base defect, opacification of the olfactory cleft is a localizing sign in some cases of spontaneous CSF rhinorrhea. Such a finding should direct endoscopic repair, and may serve as the only marker for the specific leak site.
journal_name
Int Forum Allergy Rhinoljournal_title
International forum of allergy & rhinologyauthors
Manes RP,Ryan MW,Marple BFdoi
10.1002/alr.21048subject
Has Abstractpub_date
2012-09-01 00:00:00pages
402-4issue
5eissn
2042-6976issn
2042-6984journal_volume
2pub_type
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