Purpose: To report optical coherence tomography angiography (OCTA) findings in a case of immune choroiditis following contralateral acute retinal necrosis (ARN) with choroidal neovascularization (CNV) during anti-vascular endothelial growth factor (VEGF) therapy. Case report: A 64-year-old woman with immune choroiditis following contralateral ARN and secondary CNV presented with decreased visual acuity. Fundus examination revealed macular and peripheral yellowish lesions in the right eye. Inflammatory cells were observed in the anterior chamber and the vitreous. OCT revealed retinal exudative changes and subretinal lesions suggestive of CNV. OCTA detected an abnormal vascular net in the outer retina as well as choriocapillaris, corresponding to type 2 CNV, that reduced following intravitreous anti-VEGF therapy. Two weeks after treatment, OCTA showed re-dilated choroidal neovasculature at the outer retina despite no exudative recurrence in OCT. Six weeks after treatment, OCT detected exudative changes around the neovascular lesion. Conclusion: This case discusses the use of OCTA detection of CNV in a case of immune choroiditis following contralateral ARN. During anti-VEGF therapy for inflammatory CNV-related diseases, OCTA may be useful not only for CNV detection but also for the follow-up of CNV activity.
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