Cervical Cancer Research Today is a free monthly online journal that collates and summarizes the latest research about Cervical Cancer, including details on symptoms, vaccine, screening, treatment, human papilloma virus (hpv), information. | ||||||||
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Outcome analysis of 4 years' follow-up of patients referred for colposcopy with one smear showing mild dyskaryosis.Ahmed AS, Goumalatsos G, Akbar N, Lawton FG, Savvas M Gynaecology Dept, King's College Hospital, London, UK. asahmed@doctors.org.uk OBJECTIVE: To assess the 4-year outcome of patients after one smear showing mild dyskaryosis with respect to smear regression rate, prevalence of cervical intraepithelial neoplasia (CIN) and the effect of age. METHODS: Retrospective analysis of patients diagnosed with initial mildly dyskaryotic smear during the year 2000 with a follow-up period of 48 months. These women had not had any previous abnormal smears. SETTINGS: Cytopathology Department and Colposcopy Unit, King's College Hospital, London, UK. RESULTS: We identified 524 patients of whom 375 patients with complete follow-up data are included. The age range was 19-67 years with a median of 29 years. There were 207 patients aged 35 years or less (55%). At 6 months, 258 smears were performed and 47.8% of them were negative (95% CI: 41.6-54.0%). The total number of negative follow-up smears in the first year was 198 out of a total of 397 smears performed (50%). This proportion has significantly increased between 1 and 4 years' follow-up to 67.5% (RR: 1.24; 95% CI: 1.14-1.35). Over the 4-year period, 791 smears were performed and 477 were negative (60.3%; 95% CI: 56.9-63.7%). Of the 477 negative smears there were only 61 smears (12.8%; 95% CI: 10-16%), in 54 patients (14%; 95% CI: 11-18%) that reverted back to low-grade cytological abnormality. In only one case the repeat smear showed high-grade abnormality after initial negative follow-up; however, on biopsy, histology showed CIN I. Out of the 375 patients, 70 required treatment with excisional biopsy (19%; 95% CI: 15.0-22.9%). Histology confirmed high-grade CIN in only 41 cases giving a prevalence of 11% (95% CI: 8.1-14.5%). There were no cases of microinvasive or invasive cancer detected. Age (< or =35 years versus >35 years) did not significantly affect either cytological or histological outcome. CONCLUSION: Sixty per cent of follow-up smears after initial mild dyskaryosis subsequently became negative; of them 87.2% remained negative over the 4 year follow-up. Treatment was only required in 19% of patients, with 11% prevalence of high-grade CIN. Age did not affect the outcome. These results are reassuring and indicate that colposcopic referral may not be necessary after only one mildly dyskaryotic smear. Published 20 March 2008 in Cytopathology, 19(2): 94-105.
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