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E. Icasiano, T. Dinh, P.B. Dray, J.C. Whelchel, D. Khoramian, R.M. Ahuja; Two–Year Follow–Up After Bare Sclera Pterygium Excision and Preoperative Subconjunctival Mitomycin–C . Invest. Ophthalmol. Vis. Sci. 2006;47(13):4988.
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To evaluate the rate of recurrence and complications 2 years after subconjunctival injection of 0.10 ml of 0.10 mg/ml mitomycin–C approximately one–month prior to bare sclera pterygium excision.
A retrospective review of 23 eyes of 15 patients who had pterygium excision from August 2003 to December 2003 at the John H. Stroger, Jr. Hospital of Cook County Division of Ophthalmology. The pterygia were excised using the bare sclera technique approximately 1 month after subconjunctival injection of 0.10 ml of 0.10 mg/ml mitomycin–C. Our main outcome measures were recurrence of pterygium and related complications. Recurrence was defined as the reappearance of fibrovascular tissue greater than or equal to 1mm beyond the corneoscleral limbus.
Pterygia did not recur in 22 of 23 eyes (95.7%) after average follow–up time of 112 weeks (range 102–117 weeks). The one associated complication was a 6 prism diopter esotropia on left gaze secondary to fibrovascular tissue which developed in the nasal scleral bed. The patient had complaints of diplopia only on extreme left gaze.
Preoperative subconjunctival injection of 0.1 ml of 0.10 mg/ml mitomycin–C prior to bare sclera excision appears to be a safe and effective treatment for pterygium at the 2–year follow–up period.
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