Korean J Otorhinolaryngol-Head Neck Surg.  2020 Aug;63(8):381-385. 10.3342/kjorl-hns.2019.00437.

A Case of 40-Year-Old Male with Onodi Cell Mucocele

Affiliations
  • 1Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Korea

Abstract

Sphenoethmoidal (Onodi) cells originate from the ethmoid sinus and are located at the posterior and lateral direction. The obstruction of the sinus ostium leads to the accumulation of mucous fluid and eventually leads to the formation of a mucocele. Onodi cell mucoceles can cause visual loss or disturbance due to the adjacency to the orbital apex. Here we report a case of Onodi cell mucocele with a visual field disturbance, where the patient underwent an endoscopic sinus surgery 12 days after the initial symptom. After 21 days of onset, the subjective symptom started to subside. For Onodi cell mucocele patients with visual disturbance, we recommend rapid diagnosis with computed tomography and early marsupialization of the mucocele.

Keyword

Ethmoid sinus; Mucocele; Optic neuritis; Visual fields
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