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  1. Is there an excess risk for colorectal cancer in patients with ulcerative colitis and concomitant primary sclerosing cholangitis ? A population based study.

    Article - En anglais

    Background-Patients with ulcerative colitis have an increased risk of colorectal cancer.

    Duration, age, and extent of the disease at diagnosis are the only established risk factors.

    Patients with ulcerative colitis and concomitant primary sclerosing cholangitis (PSC) have been reported to have a higher frequency of colonic DNA aneuploidy and/or dysplasia than expected, findings indicating an increased risk of colorectal cancer compared with other patients with ulcerative colitis.

    Methods-A population based cohort consisting of 125 patients with a verified diagnosis of PSC was followed up by linkage to the Swedish Cancer Registry for the occurrence of colorectal cancer.

    Results

    There were 12 colorectal cancers.

    Six cancers were diagnosed prior to the diagnosis of PSC.

    Among the 104 patients with an intact colon at the time of the diagnosis of PSC there was a cumulative risk for colorectal cancer of 16% after 10 years.

    Among the 58 patients with a diagnosis of ulcerative colitis and colorectal cancer prior to the diagnosis of PSC, there were five colorectal cancers corresponding to a cumulative risk of 25% after 10 years.

    Conclusions-Patients with ulcerative colitis and concomitant PSC seem to constitute a subgroup with a high risk for colorectal cancer.

    Mots-clés Pascal : Rectocolite ulcérohémorragique, Association morbide, Angiocholite sténosante, Primitif, Evaluation, Carcinome, Côlon, Rectum, Risque, Epidémiologie, Homme, Suède, Europe, Appareil digestif pathologie, Intestin pathologie, Maladie inflammatoire, Voie biliaire pathologie, Tumeur maligne, Côlon pathologie, Rectum pathologie

    Mots-clés Pascal anglais : Ulcerative colitis, Concomitant disease, Sclerosing cholangitis, Primitive, Evaluation, Carcinoma, Colon, Rectum, Risk, Epidemiology, Human, Sweden, Europe, Digestive diseases, Intestinal disease, Inflammatory disease, Biliary tract disease, Malignant tumor, Colonic disease, Rectal disease

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

    Cote : 97-0523798

    Code Inist : 002B13B01. Création : 13/02/1998.