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  • Title: [Early de novo neoplasia after renal transplantation].
    Author: Veroux P, Veroux M, Puliatti C, Amodeo C, Macarone M, Cappello D, Caglià P.
    Journal: Tumori; 2003; 89(4 Suppl):301-4. PubMed ID: 12903627.
    Abstract:
    INTRODUCTION: The chronic use of immunosuppressive therapy in transplant recipients to prevent acute rejection increases the long-term risk of cancer. The overall incidence of de novo malignancies (DNM) after kidney transplantation ranges from 6% to 11%. PATIENTS AND METHODS: Between January 2000 and December 2002, 135 renal and 3 combined kidney-pancreas transplantations were performed. RESULTS: Of 138 solid organ transplant recipients, a total of 16 (11.6%) cancers were diagnosed in 10 renal transplant recipients (7.2%). Six patients were male and three female, with a mean age of 47 years (range, 19-63, years). Tumor presented at a mean time of 14 months (range, 2-24, months) after transplantation. There were three patients with skin cancers, three with Kaposis's sarcoma, one with renal cell cancer, one with bladder carcinoma and one with breast cancer. CONCLUSIONS: Although the DNM occurs more frequently many years after a kidney transplantation, our experience demonstrated that they can occur early in the follow-up. Skin malignancies had the best prognosis, probably because of early detection and treatment. Kaposi's sarcoma benefits from reduction or cessation of immuno-suppression, but there is a higher risk of graft loss. Solid organ de novo malignancies are often more aggressive than in normal population, and the life expectancy of these recipients is very low. Careful long-term screening protocols are needed for detection of such malignancies in an early stage.
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