Abstract
PurposeTo describe the effect of rituximab on full-field electroretinography (ERG) in a patient with nonparaneoplastic autoimmune retinopathy (npAIR). ObservationsA 58-year-old male patient with visual complaints, positive anti-retinal antibodies and negative work-up for cancer was diagnosed with npAIR. Visual acuity and ancillary tests were normal except abnormal ERG in both eyes. The patient was given one course of rituximab 375 mg/m2/week for 4 weeks and cyclophosphamide 1 gr/m2/month for 6 months. A second course of rituximab was necessary as autoantibody titers showed no change and as new antibodies were noted after treatment with rituximab and cyclophosphamide. Electroretinography was repeated after the first course of rituximab, after cyclophosphamide, and the second course of rituximab therapy. Conclusions and importanceRituximab therapy led to marked improvement in full-field ERG readings and regression of symptoms was reported by the patient after rituximab infusions. The effect of rituximab in npAIR was objectively demonstrated with ERG.
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