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Sphenoethmoidal mucocele presenting with unilateral visual loss

Authors Bhattacharjee H, Soibam R, Deori N

Published 1 September 2010 Volume 2010:2 Pages 117—120


Review by Single-blind

Peer reviewer comments 2

Harsha Bhattacharjee, Ronel Soibam, Nilutparna Deori

Neuroophthalmology Department, Sri Sankaradeva Nethralaya, Guwahati, Assam, India

Background: Sphenoethmoidal sinus mucocele causing uniocular progressive vision loss is a rare entity and was first described by Bery in 1985. It is generally diagnosed in its advanced stage when the patients develop subjective ophthalmic symptoms.

Case: A 43-year-old male presented to our institute for further evaluation and treatment of progressive visual deterioration in his left eye. The patient complained of visual impairment in his left eye for the past three months, in the form of a dark area in his left side of the visual field.

Observations: Magnetic resonance imaging (MRI) revealed a large expansile lesion in the left sided posterior ethmoidal air cells, abutting on the left optic nerve and displacing it in the region of the orbital apex. The patient underwent an urgent endoscopic sinus surgery by an Ear-Nose-Throat surgeon which resulted in stable visual acuity in the sixth postoperative month.

Conclusions: Sphenoethmoidal mucocele can cause irreversible blindness. Progressive vision loss with a neurological visual field defect should raise a high index of suspicion and computed tomography and MRI are to be performed to confirm the diagnosis. Collaboration between radiologists, ENT specialists, and ophthalmologists is essential for treating such cases.

Keywords: sphenoethmoidal mucocele, compressive optic neuropathy, visual field defect, endoscopic sinus surgery

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