ArticleFrontiers in medicine2026
Acute retinal necrosis presenting exudative retinal detachment: a case report.
Article in Frontiers in medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Not yet cited in PubMed.
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Corrections and comments
- Erratum issued
Authors and funding
4 authors.
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Abstract
Background: Acute retinal necrosis (ARN) is a severe, rapidly progressive viral retinitis that is commonly complicated by rhegmatogenous retinal detachment in its late stage. However, the presentation of ARN with exudative retinal detachment (ERD) in the early phase is exceptionally rare, particularly when caused by varicella zoster virus (VZV) in an adult patient. This report highlights this atypical presentation, which initially occurred without definite evidence of retinal necrosis, posing a diagnostic challenge. Case presentation: A 43-year-old woman presented with acute blurred vision, eye redness, and ocular pain in the left eye of 3 days' duration. Initial clinical examination revealed ciliary congestion, vitritis, optic disc swelling, and a non-rhegmatogenous retinal detachment. Optical coherence tomography demonstrated optic disc and macular edema with intraretinal cystic spaces and a serous retinal detachment temporal to the fovea. Given the atypical presentation, the patient was initially treated with corticosteroids. Two days later, characteristic peripheral retinal necrotic lesions appeared, prompting immediate aqueous humor sampling. Metagenomic testing confirmed VZV infection. The patient was then treated aggressively with systemic intravenous acyclovir, intravitreal ganciclovir injections, and systemic corticosteroids. This regimen led to rapid resolution of the retinal detachment and complete resolution of the retinal lesions, with stable visual acuity maintained at 1 month of follow-up. Conclusion: Exudative retinal detachment is a rare manifestation of early-stage ARN. In uveitis patients presenting with ERD who show a poor response to initial anti-inflammatory therapy, viral infection (particularly VZV) should be considered in the differential diagnosis. Aggressive combined systemic and intravitreal antiviral therapy, alongside corticosteroids, is critical for achieving favorable anatomical and visual outcomes in these challenging cases.
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