Abstract

This study was undertaken to assess the effect of CO2 laser (vaporization, conization), 5-FU topical application and interferon alpha-2a parenterally in the therapy of GIN. Three hundred and forty-seven (347) women with CIN were treated with CO2 laser (vaporization, conization), 5-FU topical application and interferon alpha-2a parenterally. The cure rates in the various treatment groups were analysed by the chi(2) test. The most effective treatment used for CIN I was the combination of CO2 laser vaporization plus 5-FU (p<0.05). The most effective treatment used for CIN II was the combination of CO2 laser vaporization plus 5-FU (p<0.001). The treatment modalities used for patients with CIN III achieved the same therapeutic results (p>0.1). The addition of interferon does not achieve better cure rates in patients with CIN.

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