Photodynamic therapy for condylomata acuminata with local application of 5-aminolevulinic acid.

to 5000 rads.Although the natural history of anal intraepithelial neoplasia is not yet clearly defined, it is possible that adequate treatment and follow-up in his case may have prevented the malignant transformation.This case emphasises firstly, the need to ensure adequate treatment and follow-up in such cases to prevent this complication and secondly, to perform biopsies in those who have recalcitrant or atypical warts.