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  1. Trends in cervical intra-epithelial neoplasia in Iceland through 1995 : Evaluation of targeted age groups and screening intervals.

    Article - En anglais

    Background

    Targeted age groups and screening intervals are dependent on the age-specific prevalence of the preclinical disease and the length of the detectable pre-clinical phase.

    This study evaluates the UICC and EC recommendations regarding targeted age group and screening intervals based on the Icelandic screening experience.

    Methods

    The trends for cytologic preinvasive lesions were analyzed at first visit during the period 1966-1995, at second and later visits after a normal test (s) taken after 1985, and finally at any visit in 1991-1995.

    The frequency of histologic lesions was calculated for the birth cohort from the age of 60 and among women referred for colposcopic examination in 1994.

    Results

    The prevalence of preinvasive disease has increased significantly since 1980, and the rate of moderate to high-grade cytologic and histologic lesions begins increasing as early as 20 years of age.

    The rate of these lesions starts to accumulate at 24 to 36 months after a normal smear, but the rate decreases with the number of negative smears taken.

    Among correctly screened women the rate of histologically verified moderate to high-grade lesions and invasive disease is practically non-existent after the age of 60, while among the younger women cases with microinvasive disease start to appear within 2 to 3 years after a normal smear.

    Conclusion

    Screening should start soon after age 20 with a screening interval of 2 to 3 years. (...)

    Mots-clés Pascal : Carcinome, Col utérus, Dépistage, Prévalence, Epidémiologie, Etude comparative, Frottis, Cytopathologie, Histopathologie, Age, Evolution, Classification par stade, Recommandation, Islande, Iles Atlantiques, Adulte, Homme, Personne âgée, Femelle, Appareil génital femelle pathologie, Col utérus pathologie, Tumeur maligne, Anatomopathologie

    Mots-clés Pascal anglais : Carcinoma, Uterine cervix, Medical screening, Prevalence, Epidemiology, Comparative study, Smear, Cytopathology, Histopathology, Age, Evolution, Stage classification, Recommendation, Iceland, Atlantic Ocean Islands, Adult, Human, Elderly, Female, Female genital diseases, Uterine cervix diseases, Malignant tumor, Pathology

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 99-0321387

    Code Inist : 002B30A03B. Création : 16/11/1999.