RESUMO
To compare and analyze the clinical treatment effect of primary pterygium with amniotic membrane transplantation, autologous corneal limbus stem cell transplantation and intraoperative application of 0. 2g/L mitomycin C.METHODS: Retrospective analysis of 232 patients who were underwent primary pterygium surgery was performed. Eighty-two cases were treated with amniotic membrane transplantation, 90 with autologous corneal limbus stem cell transplantation, and 60 with intraoperative application of 0. 2g/L mitomycin C. The postoperative recurrence and complications of three operative methods were compared.RESULTS: The recurrence rate of autologous corneal limbus stem cell transplantation and intraoperative application of 0. 2g/L mitomycin C was lower than that of amniotic membrane transplantation ( P 0. 05 ). Corneal epithelium defect, tears and photophobia were higher in 0.2g/L mitomycin C group (P0. 05). Conjunctival congestion and subconjunctival hemorrhage in three groups had no statistical difference (P>0. 05).CONCLUSlON: Compared with other two operative methods, autologous corneal limbus stem cell transplantation for primary pterygium has the advantages of lower recurrence rate and less complications.