Cerebrospinal fluid rhinorrhea and meningoencephaloceles extending into the nasal cavity from the anterior, middle, and posterior cranial fossae often are managed by otolaryngologists. A thorough understanding of the underlying pathophysiology, management principles, and treatment options is essential to achieve optimal outcomes. Surgical and medical management is highly individualized and depends on many factors, including etiology, anatomic site, and underlying intracranial pressure. This article highlights the history, physiology, pathophysiology, diagnosis, surgical techniques, and postoperative care relevant to nasal cerebrospinal fluid leaks and encephaloceles.
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