Ct Study Of Sphenoethmoid (Onodi) Cell And Its Clinical Importance

Abstract: Sphenoethmoid cell is the posterior most ethmoid air cell & depending on the degree of the pneumatization, the optic nerve canal and the carotid artery may bulge into it. Objective: To find out prevalence of sphenoethmoid cells and to discuss its clinical importance. Materials and Methods: A retrospective analysis is performed on CT scans of head & neck region of patients visiting Radio-diagnosis Department of Era’s Lucknow Medical College. Results: Prevalence of sphenoethmoid cells is found to be higher than previously reported in literature. Understanding of sphenoethmoid cell is important to avoid fatal injury to the optic nerve and carotid arteries. It is essential to identify the presence of these cells prior to endoscopic sinus surgery in order to avoid complications.

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[Sarita Choudhary, Navbir Pasricha, Vineeta Tewari, Md. Shakeel Siddiqui, Mrinal Ranjan Srivastava (2014); Ct Study Of Sphenoethmoid (Onodi) Cell And Its Clinical Importance Int. J. of Adv. Res. 2 (4). 0] (ISSN 2320-5407). www.journalijar.com

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