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Updated: Feb 8, 2026

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Published on: December 4, 2017
Cerebrospinal fluid rhinorrhea and otorrhea: A multimodality imaging approach
S B Hiremath1, A A Gautam1, V Sasindran2
1Department of Radiodiagnosis, Pushpagiri Institute of Medical Sciences and Research Centre, Thiruvalla, 689101 Kerala, India.
Abstract:
Cerebrospinal fluid (CSF) leaks are extracranial egress of CSF into the adjacent paranasal sinus or tympanomastoid cavity due to an osteodural defect involving skull base. It can be due to a multitude of causes including accidental or iatrogenic trauma, congenital malformations and spontaneous leaks. Accurate localization of the site of the leak, underlying causes and appropriate therapy is necessary to avoid associated complications. In this paper relevant anatomy, clinical diagnosis, imaging modalities and associated findings are discussed along with a brief mention about management.
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