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CASE REPORT
Year : 2021  |  Volume : 33  |  Issue : 2  |  Page : 197-200

Bilateral visual loss caused by pneumosinus dilatans: Idiopathic cases are not always reversible


Eye Research Center, The Five Senses Institute, Rassoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran

Correspondence Address:
Ali Aghajani
Eye Research Center, The Five Senses Institute, Rassoul Akram Hospital, Sattarkhan-Niayesh St., Tehran 14456-13131
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2452-2325.288940

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Purpose: To report a rare case of primary pneumosinus dilatans (PSD) and to specify the cardinal imaging findings associated with this condition. Methods: A 20-year-old patient presented with bilateral profound visual loss as a result of primary PSD. A detailed review of clinical findings and presumed pathophysiological basis of vision loss was performed. Results: Other than undiagnosed primary hypothyroidism, no other abnormalities were found. With the diagnosis of PSD, the patient underwent optic nerve decompression through transnasal sphenoidotomy. However, after nine months of follow-up, no improvement in the patient's vision was attained. Conclusion: Unlike previous reports of favorable visual results after sphenoidotomy and bilateral decompression of the optic nerves, vision recovery was not achieved in this case.


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