Journal
WORLD NEUROSURGERY
Volume 100, Issue -, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.wneu.2017.02.037
Keywords
Cerebrospinal fluid rhinorrhea; Dural arteriovenous fistula; Endoscopic transpterygoid approach; Meningoencephalocele; Sphenoid sinus; Sternberg canal
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BACKGROUND: The evolution of sphenoid sinus meningoencephaloceles and cerebrospinal fluid (CSF) rhinorrhea is poorly understood. CASE DESCRIPTION: We 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. CONCLUSIONS: We 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.
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