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Updated: Sep 2, 2025
Mouse Kidney Transplantation: Models of Allograft Rejection
Published on: October 11, 2014
Urothelial Carcinoma in an Allograft kidney
Maria Baand Hejlesen1, Mohammad Hassan Youssef2, Jesper Noergaard Bech1
1Department of Medical Research, University Clinic in Nephrology and Hypertension, University of Aarhus and Gødstrup Hospital, Herning, Denmark.
Abstract:
Patients who have been kidney transplanted have an increased risk of developing cancer. This case report presents a rarely described case in which a patient, who had received a kidney transplant from a deceased donor, was diagnosed with disseminated urothelial carcinoma originating from the allograft. After the removal of the allograft and the immunosuppressive treatment, there was regression in the cancer. Unfortunately, it was not a complete regression of the urothelial cancer and the patient died. This case indicates that there is a risk of getting cancer from the transplanted kidney from a deceased donor, but also that the immunosuppressive treatment can contribute to the development of this cancer.
Insights
Kidney transplant recipients face higher cancer risks. This case report details urothelial carcinoma originating in a transplanted kidney, highlighting the potential for deceased donor transplants and immunosuppression to contribute to cancer development.
Area of Science:
- Nephrology
- Oncology
- Transplantation immunology
Background:
- Kidney transplant recipients have a statistically significant increased risk of developing various cancers.
- Deceased donor kidney transplantation involves complex immunological considerations and long-term immunosuppressive therapy.
Observation:
- A rare case of disseminated urothelial carcinoma was diagnosed in a kidney allograft from a deceased donor.
- The malignancy appeared to originate directly from the transplanted kidney tissue.
Findings:
- Following allograft nephrectomy and cessation of immunosuppressive treatment, the patient exhibited partial regression of the urothelial carcinoma.
- Despite treatment, the cancer was not completely eradicated, leading to a fatal outcome.
Implications:
- This case underscores the potential for de novo cancer development within a transplanted organ.
- It suggests that immunosuppressive regimens, while crucial for graft survival, may also facilitate oncogenesis in susceptible individuals.
- Further research is warranted to elucidate the mechanisms and assess the long-term oncogenic risks associated with deceased donor kidney transplantation.
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