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The objective of the present study was to study the prevalence of abnormal anal cytology in patients with AIDS. Anal smears, obtained with a cytobrush, of 102 HIV-positive patients of the Emilio Ribas Institute (Sao Paulo, Brazil) were collected, and only after that, the patients were submitted to anoscopy. Thirty-two patients had LSIL and 14 others had HSIL. Squamous intra-epithelial lesions were also observed in 38% of the patients without condyloma (18/47): in 9 of the 33 patients without history of condyloma (27%) and in 9 of the 14 patients who had previously treated condyloma (64%). An invasive squamous cell carcinoma was observed in one patient without history of condyloma. In all 13 patients with HSIL, biopsies guided by high resolution anoscopy confirmed high grade dysplasia. Our findings suggest that anal cytology is mandatory in AIDS even in patients without macroscopic anal lesions or without previous history of anal condyloma.
Calore et al. (Wed,) studied this question.