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Abstract
Purpose: To report a case of cytomegalovirus (CMV) retinitis in an immunocompetent patient with proliferative diabetic retinopathy (PDR). Design: Case report.
Methods: A 69-year-old man presented with a 44-year history of diabetes mellitus and 4 years of PDR. Fundus of left eye could not be visualized because of vitreous hemorrhage. Laboratory tests indicated normal immunological status.
Results: Yellowish white retinal exudative lesion and whitening inside vascular arcades were observed during vitrectomy. Multiplex PCR using vitreous sample detected CMV DNA at 4.37 × 104 copies/mL. CMV retinitis was diagnosed.
Conclusions: If atypical findings of PDR are observed, a multiplex PCR test should be performed for further investigation.