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Increased incidence of malignancy during chronic renal failure
Lancet (London, England)
|April 19, 1975
Summary
Cancer risk significantly increases in patients with progressive uremia and after kidney transplantation. Uremic patients developed mesenchymal tumors, while transplant recipients showed epithelial and lymphoproliferative cancers, possibly due to immunosuppression.
Area of Science:
- Nephrology
- Oncology
- Transplantation Immunology
Background:
- Patients with chronic kidney disease undergoing dialysis or transplantation face altered cancer risks.
- Uremia and immunosuppressive therapies post-transplantation are potential risk factors for malignancy.
Purpose of the Study:
- To compare cancer incidence in patients across different stages: pre-uremia, progressive uremia, and post-transplantation.
- To identify specific cancer types and their prevalence in uremic versus transplanted populations.
Main Methods:
- Retrospective analysis of cancer incidence in 646 patients.
- Comparison of observed cancer rates with age-matched general population data.
- Categorization of tumors based on patient status (uremic vs. transplant recipient).
Main Results:
- A significant increase in cancer incidence was observed during progressive uremia (10 tumors in 9 patients).
- Post-transplantation, 11 de novo tumors developed in 530 recipients, also a significant increase.
- Uremic patients developed mesenchymal tumors, whereas transplant recipients developed epithelial and lymphoproliferative cancers.
Conclusions:
- Both uremia and kidney transplantation are associated with significantly increased cancer risks.
- The distinct cancer profiles (mesenchymal vs. epithelial/lymphoproliferative) may be linked to the presence of a graft or varying immunosuppression protocols.