The authors present preliminary findings in 11 unselected patients with upper vaginal and/or cervical transformation zone intraepithelial neoplasia treated with a 5percnt; topical 5-fluorouracil (5-FU) cream. Only 6 of 11 patients were found to be cured of disease when subsequently evaluated histologically by conization biopsy and/or hysterectomy. Although further clinical trials using differing concentrations and/or more prolonged exposure to the drug may be warranted, the authors cannot recommend topical 5-FU as a replacement for standard outpatient therapy for upper vaginal and/or cervical intraepithelial neoplasia.
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