• World Neurosurg · Apr 2017

    Review Case Reports

    A case of evolving bilateral sphenoidal meningoencephalocoeles: case report and review of literature.

    • Varun Aggarwal, Prakash Nair, Pankaj Shivhare, E R Jayadevan, Vinod Felix, Mathew Abraham, and Suresh Nair.
    • Department of Neurosurgery, Sree Chitra Tirunal Institute for Medical Sciences (SCTIMST), Trivandrum, India.
    • World Neurosurg. 2017 Apr 1; 100: 708.e11-708.e17.

    BackgroundThe evolution of sphenoid sinus meningoencephaloceles and cerebrospinal fluid (CSF) rhinorrhea is poorly understood.Case DescriptionWe present a case demonstrating the gradual evolution of encephaloceles from both the lateral walls of a previously normal sphenoid sinus in a patient with dural arteriovenous fistula; the CSF leak that developed after staged embolization of the dural arteriovenous fistula was managed by an endoscopic endonasal transpterygoid approach.ConclusionsWe suggest that over a period of time, chronic elevation of intracranial pressure can result in gradual erosion of the lateral wall of the sphenoid with development of meningoencephaloceles and CSF leaks.Copyright © 2017 Elsevier Inc. All rights reserved.

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