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Optic neuropathy caused by expanded Onodi cell mucocele

A visual field test revealed the expansion of the Mariotte blind spot, while ocular motility and main cranial nerve function were undisturbed. Wada reported the sphenoid sinus can be opened safely following preoperative assessment of the anterior wall, the position of the superior turbinate, and ost...

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Bibliographic Details
Published in:BMJ case reports 2020-06, Vol.13 (6), p.e235311
Main Authors: Morino, Tsunetaro, Yanagihara, Taichi, Kuroyanagi, Hiroki, Ohto, Hiroto
Format: Article
Language:English
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Summary:A visual field test revealed the expansion of the Mariotte blind spot, while ocular motility and main cranial nerve function were undisturbed. Wada reported the sphenoid sinus can be opened safely following preoperative assessment of the anterior wall, the position of the superior turbinate, and ostium of the sphenoid sinus.2 Widely opening the sphenoid sinus from the ostium and removing the superior nasal concha confirmed the location of the Onodi cell and opened it without damaging the optic nerve. Endoscopic sinus surgery is frequently used due to its lower complication rate, less invasive nature and earlier patient recovery.3 Onodi cell mucoceles should be considered in the differential diagnosis of unilateral visual loss.
ISSN:1757-790X
1757-790X
DOI:10.1136/bcr-2020-235311