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Case report


Arachnoid pit and extensive sinus pnematization as the cause of spontaneous lateral intrasphenoidal encephalocele

Ali AlmontasheriBandar Al-QahtaniNader Aldajani
Department of Radiology, Department of Otolaryngology, King Saud medical City, Riyadh, Kingdom of Saudi Arabia
Date of Submission: 04-Dec-2011, Date of Acceptance: 08-Jan-2012, Date of Web Publication: 27-Jan-2012.
Corresponding Author:
Corresponding Author

Bandar Al Qahtani

King Saud medical city, Riyadh, Saudi Arabia.
E-mail: Khamsi20@yahoo.com

Corresponding Author:
Corresponding Author

Bandar Al Qahtani

King Saud medical city, Riyadh, Saudi Arabia.
E-mail: Khamsi20@yahoo.com

DOI: 10.4103/2156-7514.92363 Facebook Twitter Google Linkedin

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.
Keywords: Arachnoid Pit, Lateral Recess, Sphenoid Sinus, Spontaneous CSF-leaks, Spontaneous Encephalocele

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