ISSN 2757-8135 | E-ISSN 2757-9816
Recovery of visual field in early treated optic nerve sheath meningioma: A case report [Eur Eye Res]
Eur Eye Res. 2022; 2(4): 194-198 | DOI: 10.14744/eer.2022.96158

Recovery of visual field in early treated optic nerve sheath meningioma: A case report

Sirin Serefli Gunes1, Hulya Gokmen2
1Department of Ophthalmology, Malatya Training and Research Hospital, Malatya, Türkiye
2Department of Ophthalmology, Kafkas University Faculty of Medicine, Kars, Türkiye

We report the diagnosis and treatment process of a patient who underwent CyberKnife radiotherapy with diagnosis of optic nerve sheath meningioma (ONSM) to emphasize visual field recovery with an early treatment. A 46-year-old woman pre-sented with puffiness, discomfort, and enlargement in right eye. Right sided proptosis and optic disc edema were detected as accompanying findings. Visual acuity was 20/20 in both eyes. Blind spot enlargement and mild peripheral constriction were found on the right side of visual field test. The diagnosis was made on the basis of clinical and radiological findings. Magnetic resonance imaging demonstrated an ONSM. The lesion was treated by three fraction stereotactic CyberKnife ra-diation therapy with dose of 19.5 Gy. Visual acuity was preserved and visual field was completely recovered after 6 weeks of follow-up. Due to its typical clinical and radiological findings, ONSM can be diagnosed without tissue biopsy. In progressive cases, optic nerve functions may recover by CyberKnife radiation therapy performed before development of significant visual loss. However, patients should be observed for radiation complications.

Keywords: Optic nerve sheath meningioma, radiation therapy, visual field.

Corresponding Author: Sirin Serefli Gunes, Türkiye
Manuscript Language: English
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