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To report a unique case of unilateral blindness secondary to transnasal endoscopic surgery and stenting for right choanal atresia.
A 24-year-old man was referred with right eye blindness and acute headache, occurring immediately after transnasal endoscopic surgical repair of unilateral right choanal atresia with placement of an endonasal stent. Maxillo-facial computed tomography with three-dimensional reconstruction showed the endonasal stent entering the right nostril, passing through the lamina papyracea into the orbit and running anterior to the optic foramen towards the superior orbital fissure. Despite stent removal and medical treatment (ceftriaxone and dexamethasone), permanent right eye blindness secondary to an irreversible lesion of the optic nerve was diagnosed. At three-month follow up, an uncommon, complete fibrous obliteration of the right nasal fossa was noticed.
To the best of our knowledge, this is the only published report of unilateral blindness following transnasal endoscopic stenting for right choanal atresia. Causes of this complication, and ways of avoiding it, are discussed.
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