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  • Title: Early de novo malignancies after kidney transplantation.
    Author: Veroux M, Puliatti C, Fiamingo P, Cappello D, Macarone M, Puliatti D, Vizcarra D, Gagliano M, Veroux P.
    Journal: Transplant Proc; 2004 Apr; 36(3):718-20. PubMed ID: 15110643.
    Abstract:
    INTRODUCTION: Immunosuppressed renal transplant patients display a higher incidence of carcinoma than the general population. The chronic use of immunosuppressive therapy to prevent acute rejection increases the long-term risk of cancer. We reviewed our experience to identify factors affecting the development of de novo neoplasms. PATIENTS AND METHODS: Between January 2000 and May 2003, 135 renal and three combined kidney-pancreas transplantations were performed. RESULTS: Sixteen (11.6%) cancers were diagnosed in nine renal transplant recipients (6.5%). Tumors presented at a mean time of 14 months. Three patients displayed in malignancies; three, Kaposi's sarcoma; one, papillary microcarcinoma of the thyroid; one, bladder carcinoma; and one, breast carcinoma. CONCLUSION: Although de novo malignancies occur more frequently many years after kidney transplantation, our experience demonstrates that they can occur early during the posttransplant follow-up. Skin malignancies showed the best prognosis, probably because of early detection and treatment. Patients with Kaposi's sarcoma benefit from reduction or cessation of immunosuppression, but this entails a higher risk of graft loss. Solid organ de novo malignancies are often more aggressive than those in normal population; the life expectancy of these recipients is low.
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