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Risk of Renal Cell Carcinoma Among Kidney Transplant Recipients in the United States
Journal article   Open access   Peer reviewed

Risk of Renal Cell Carcinoma Among Kidney Transplant Recipients in the United States

S Karami, E L Yanik, L E Moore, R M Pfeiffer, G Copeland, L Gonsalves, B Y Hernandez, C F Lynch, K Pawlish and E A Engels
American journal of transplantation, Vol.16(12), pp.3479-3489
12/2016
DOI: 10.1111/ajt.13862
PMCID: PMC5104677
PMID: 27160653
url
https://doi.org/10.1111/ajt.13862View
Published (Version of record) Open Access

Abstract

Renal cell carcinoma (RCC) is a common malignancy following kidney transplantation. We describe RCC risk and examine RCC risk factors among US kidney recipients (1987-2010). The Transplant Cancer Match Study links the US transplant registry with 15 cancer registries. Standardized incidence ratios (SIRs) were used to compare RCC risk (overall and for clear cell [ccRCC] and papillary subtypes) to the general population. Associations with risk factors were assessed using Cox models. We identified 683 RCCs among 116 208 kidney recipients. RCC risk was substantially elevated compared with the general population (SIR 5.68, 95% confidence interval 5.27-6.13), especially for papillary RCC (SIR 13.3 versus 3.98 for ccRCC). Among kidney recipients, RCC risk was significantly elevated for blacks compared to whites (hazard ratio [HR] 1.50) and lower in females than males (HR 0.56). RCC risk increased with prolonged dialysis preceding transplantation (p-trend < 0.0001). Risk was variably associated for RCC subtypes with some medical conditions that were indications for transplantation: ccRCC risk was reduced with polycystic kidney disease (HR 0.54), and papillary RCC was increased with hypertensive nephrosclerosis (HR 2.02) and vascular diseases (HR 1.86). In conclusion, kidney recipients experience substantially elevated risk of RCC, especially for papillary RCC, and multiple factors contribute to these cancers.
United States - epidemiology Glomerular Filtration Rate Kidney Failure, Chronic - surgery Kidney Neoplasms - epidemiology Prognosis Follow-Up Studies Humans Middle Aged Risk Factors Graft Rejection - etiology Male Incidence Kidney Function Tests Carcinoma, Renal Cell - epidemiology Graft Rejection - epidemiology Kidney Neoplasms - etiology Adult Female Carcinoma, Renal Cell - etiology Postoperative Complications Kidney Transplantation - adverse effects

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