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Cytomegalovirus retinitis after low-dose intravitreous triamcinolone acetonide in an immunocompetent patient: a warning for the widespread use of intravitreous corticosteroids

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We report the case of an immunocompetent 78-year-old woman who developed cytomegalovirus (CMV) retinitis after a single intravitreous injection of triamcinolone acetonide (IVTA). Review of medical records. The patient with macular edema secondary to branch retinal vein occlusion developed peripheral retinitis with hemorrhagic and inflammatory vascular sheathing 3 months after IVTA. A presumptive diagnosis of viral retinitis was confirmed by polymerase chain reaction (PCR) of the aqueous humor tap. The PCR test was positive for CMV DNA. The patient slowly responded to intravenous ganciclovir and oral valganciclovir. After therapeutic vitrectomy for intercurrent vitreous hemorrhage, and while still under treatment, the retinitis resolved completely with final visual acuity of 20/25. CMV retinitis can occur after local immunosuppression with IVTA in an immunocompetent patient with no other systemic risk factors.

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Correspondence to Bernadette Snyers.

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Vertes, D., Snyers, B. & De Potter, P. Cytomegalovirus retinitis after low-dose intravitreous triamcinolone acetonide in an immunocompetent patient: a warning for the widespread use of intravitreous corticosteroids. Int Ophthalmol 30, 595–597 (2010).

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