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  • Title: Arachnoid pit and extensive sinus pnematization as the cause of spontaneous lateral intrasphenoidal encephalocele.
    Author: Almontasheri A, Al-Qahtani B, Aldajani N.
    Journal: J Clin Imaging Sci; 2012; 2():1. PubMed ID: 22347684.
    Abstract:
    Lateral sphenoid encephalocele, especially within the lateral aspect of the sphenoid sinus, when the sphenoid sinus has pneumatized extensively into the pterygoid recess, are considered exceedingly rare. We report a rare case of lateral intrasphenoidal encephalocele with spontaneous cerebral spinal fluid (CSF) rhinorrhea. Computed tomography demonstrated bilateral arachnoid pit, extensive sphenoid sinus pneumatization, and a defect in the superior wall of the left lateral recess of the sphenoid sinus. Magnetic resonance imaging demonstrated anteromedial temporal lobe herniating through the bony defect.
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