Development of renal cell carcinoma in living donor kidney grafts

TitleDevelopment of renal cell carcinoma in living donor kidney grafts
Publication TypeJournal Article
Year of Publication2000
AuthorsTyden G, Wernersson A, Sandberg J, Berg U
Pagination1650 - 6
Date PublishedDec 15
ISSN0041-1337 (Print) 0041-1337 (Linking)
Accession Number11152228
Keywords*Kidney Transplantation / pathology, *Living Donors, Carcinoma, Renal Cell / *etiology, Child, Preschool, Humans, Kidney Neoplasms / *etiology, Male, Time Factors

BACKGROUND: Although development of malignancies after transplantation is well recognized, de novo development of cancer in renal transplants is a rare phenomenon. We describe two cases of de novo development of renal cell carcinoma in two living donor grafts. MATERIALS AND RESULTS: The recipients were 45 and 4 years, respectively, at transplantation and their fathers were donors. Because of failure to grow, they were both treated with human growth hormone. Over the years a number of cysts developed in the grafts and after 8 and 7 years the echogenecity of some of the cysts changed. Biopsy confirmed the diagnosis renal cell carcinoma 9 and 11 years after transplantation. The grafts were removed and the immunosuppressive therapy discontinued. The two fathers are well with normal function of the native kidney and no signs of cyst formation or cancer. CONCLUSION: Two cases of de novo development of cancer in living donor kidney transplants are described. Because a stimulatory effect of growth hormone on tumor genesis has been described, this treatment may have been of importance in the tumor development. The findings emphasize the importance of annual ultrasonographic surveillance of renal grafts, especially in the pediatric population.

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