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Irene Dy, Rangaswamy Chintapatla, Isabel Preeshagul and Daniel Becker

Cancer-associated retinopathy (CAR) is a rare autoimmune condition associated with various cancers, causing significant visual impairment. Visual symptoms in CAR may or may not correlate with the extent of systemic disease or its response to chemotherapy, and must be addressed separately from the management of systemic malignancy. Steroids have been the mainstay of CAR therapy. Various immunomodulatory therapies have also been described with varying responses, but the overall visual prognosis remains poor. Rituximab is a monoclonal antibody used in the treatment of non-Hodgkin’s B-cell lymphoma and many autoimmune disorders. This case report describes a patient with small cell uterine cancer who initially presented with visual impairment associated with CAR. The patient’s deteriorating visual symptoms were successfully halted for an extended, clinically meaningful period with rituximab.