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  1. Multiple primary malignant tumors in a national Cancer Registry : Reliability of reporting.

    Article - En anglais

    During the years 1958-1988. 808 522 individuals were registered in the Swedish national population-based cancer register with a total of 933 900 primary malignant tumors.

    Roughly 11% of the tumors reported to the Swedish Cancer Registry. in 1988 were found in persons earlier registered for another primary malignancy.

    One hundred of the individuals registered with multiple primary malignant tumors were randomly selected for a study of the reliability of reporting of multiple malignancies.

    Medical records and when necessary-histopathological slides and other relevant diagnostic material for each malignancy where collected and the diagnoses reevaluated.

    Three persons had to be excluded ; thus 97 cases with 209 reported malignancies were analysed.

    Of these. 94% of the first. 98'l. I

    Twelve of the reported tumors were not accepted as malignant. five were benign or cancer in situ. five were incorrectly reported as new primaries and two were a second incorrect registration of a previously registered malignancy.

    All 97 persons had at least one malignant tumor, in 90% of the persons all reported diagnoses were accepted and 93% had multiple primary malignancies.

    The results of this quality control study indicate that suitable data are available in the Swedish Cancer Registry for investigations related to the occurrence of multiple primary malignancies in a large unselected population. (...)

    Mots-clés Pascal : Tumeur maligne, Multiple, Second cancer, Epidémiologie, Registre, Homme, Echelon national, Contrôle qualité, Fiabilité, Suède, Europe

    Mots-clés Pascal anglais : Malignant tumor, Multiple, Second cancer, Epidemiology, Register, Human, National scope, Quality control, Reliability, Sweden, Europe

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

    Cote : 97-0435906

    Code Inist : 002B04B. Création : 19/12/1997.