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Data collection forms of 50,165 routine smears were examined, and of these 47,577 were considered for this study. Viral cytological lesions (VL) were observed in 101 cases: of these, 19 were associated with cervical intraepithelial neoplasia. The total frequency of VL was 0.21%, with the peak in the teenager group (0.49%). The frequency of CIN among VL showed an overall frequency of 18.8 %: this was null under 21 years of age and highest (50 %) between 51 and 60 years of age. The frequency of VL in relation to clinical provenance of patients and the season of the year did not attain significance.

The authors describe the ultrastructure of 2 dermatofibromas. Fibroblasts, the prevailing cellular component, showed different aspects related to a grading of their functional activity. No features of collagenogenesis were observed. Mast cells were also present, and nerve endings were found in subepidermal areas.