Renal cell carcinoma in kidney transplant recipients: descriptive analysis and overview of a major German transplant center

Future Oncology, Ahead of Print.
Source: Future Oncology - Category: Cancer & Oncology Authors: Source Type: research

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Abstract OBJECTIVES: In the Asian population, patterns and risk factors for de novo malignancies after solid-organ transplant are not well understood. MATERIALS AND METHODS: Insurance claims from Taiwan's National Health Institute Research Database from 1997 to 2011 revealed 687 deceased-donor heart transplant recipients, 5038 kidney transplant recipients (50% living related-donor, 50% deceased-donor transplants), and 2127 liver transplant recipients (mainly living related-donor transplants, 30% deceased-donor transplants). During the follow-up period, rates of malignancy incidence were calculated with standa...
Source: Experimental and Clinical Transplantation : official journal of the Middle East Society for Organ Transplantation - Category: Transplant Surgery Authors: Tags: Exp Clin Transplant Source Type: research
The United States Public Health Service Flag Promotion ceremony for Rear Admiral (RADM) Richard W. Childs, promoted to RADM Upper Half O-8 in January 2020, is being webcast live on 3/27/2020 from Masur Auditorium. Richard Childs, MD serves as the Clinical Director of the National Heart, Lung, and Blood Institute (NHLBI) at the National Institutes of Health (NIH). He was commissioned in the USPHS Commissioned Corps as a Lieutenant in 1995 when joined the NCI as an Oncology Fellow. Following fellowship training, he was appointed a tenure-track investigator in the Hematology Branch of the NHLBI where he continues to conduct r...
Source: Videocast - All Events - Category: General Medicine Tags: Upcoming Events Source Type: video
AbstractPurpose of ReviewRenal masses in the kidney graft pose an important clinical dilemma, balancing graft function against the need for cancer control.Recent FindingsDonor origin cancers in the renal graft can be classified as ‘donor transmitted’ or ‘donor derived’. The landmark TracerX Renal changed our understanding of renal cell carcinoma oncogenesis, demonstrating that key mutations in childhood lead to clinically apparent tumours in later life. Identified pre-operatively, contemporary evidence suggests that m asses excised prior to transplantation result in acceptable oncologic safety and g...
Source: Current Urology Reports - Category: Urology & Nephrology Source Type: research
This article summarizes roles of the exosome as the potential source of biomarkers, pathogenic molecules, and therapeutic biologics that have been extensively investigated in many kidney diseases/disorders, including lupus nephritis (LN), other glomerular diseases, acute kidney injury (AKI), diabetic nephropathy (DN), as well as in the process of renal fibrosis and chronic kidney disease (CKD) progression, in addition to polycystic kidney disease (PKD), kidney transplantation, and renal cell carcinoma (RCC). Moreover, the most recent evidence has shown its emerging role in kidney stone disease (or nephrolithiasis), involvi...
Source: Frontiers in Pharmacology - Category: Drugs & Pharmacology Source Type: research
Abstract De novo renal allograft tumors were reported sporadically. Most of them were small, low-grade, and papillary renal cell carcinoma (RCC) type. A 46-year-old male presented with hematuria three decades after the first transplant. The patient had a history of three renal transplants. A tumor (12 cm × 13 cm) was diagnosed in the nonfunctioning first transplanted kidney. Radical nephrectomy of the graft harboring the tumor with preservation of the adjacent functioning graft was done and identified to be chromophobe RCC. After two-year follow-up, the patients had a perfect graft function with no evidence ...
Source: Saudi Journal of Kidney Diseases and Transplantation - Category: Urology & Nephrology Authors: Tags: Saudi J Kidney Dis Transpl Source Type: research
We present our single centre experience in transplanted patients and future candidates for transplantation. Methods: Retrospective analysis from an anonymised database of bilateral nephrectomies for ADPKD patients. Results were reported as median, range, and percentage. Differences between groups were tested using ANOVA and t-test. Surgery was performed between January 2012 and July 2018. Results: Thirty-three patients underwent bilateral native nephrectomy for APKD. 18 had a functioning kidney transplant (transplant group, 55%) while 15 patients were on dialysis (dialysis group, 45%) at the time of surgery; 8 pa...
Source: Biomed Res - Category: Research Authors: Tags: Biomed Res Int Source Type: research
In this study, in order to screen differentially expressed genes (DEGs) between stage IV and stage I ccRCC specimens, we initially analyzed The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GSE73731). We found that maternal and embryonic leucine zipper kinase (MELK) is upregulated in stage IV ccRCC samples and that upregulation of MELK is significantly correlated with advanced disease status. Furthermore, both loss and gain-of-function assays strengthen the evidence that MELK enforces the malignant phenotype of ccRCC cells through over-activating the mammalian target of rapamycin complex 1 (mTORC1) pathway. Mecha...
Source: Cell Transplantation - Category: Cytology Authors: Tags: Cell Transplant Source Type: research
We describe the clinicopathologic features of BKPyV-associated urologic carcinomas in a single-institution cohort. RESULTS: Among 4,772 kidney recipients during 1994 to 2014, 26 (0.5%) and 26 (0.5%) developed posttransplantation urothelial carcinomas (UCs) and renal cell carcinomas (RCCs), respectively, as of 2017. Six (27%) UCs but none of the RCCs expressed large T antigen (TAg). TAg-expressing UCs were high grade with p16 and p53 overexpression (P
Source: American Journal of Clinical Pathology - Category: Pathology Authors: Tags: Am J Clin Pathol Source Type: research
Abstract INTRODUCTION: Renal transplantation is the optimal treatment for end-stage renal disease, but organ demand continues to outstrip supply. The transplantation of kidneys from donors with small renal masses (SRMs) represents a potential avenue to expand the donor pool. We reviewed all published cases of transplants from donors with SRMs and we present followup data, best practices, and outline an actionable series of steps to guide the implementation of such transplants at individual centres. METHODS: A detailed literature search of the MEDLINE/PubMed and SCOPUS databases was performed. Thirty unique da...
Source: Canadian Urological Association Journal - Category: Urology & Nephrology Authors: Tags: Can Urol Assoc J Source Type: research
Authors: Harriman D, Mikhailov A, Rogers J, Stratta R, Farney A Abstract Large renal cell carcinomas (RCC) arising in allograft kidney transplants are rarely encountered. The distinct RCC sub-type, clear cell papillary RCC (CP-RCC), has mostly been described in non-immunosuppressed patients. Here we report the presentation, management and pathologic diagnosis of a large (11.2 cm, pT2b), multifocal, CP-RCC in a poorly functioning renal allograft of a 63-year-old woman 19 years following kidney transplant. Preoperative angiographic kidney embolization was successfully performed prior to allograft nephrectomy, with an...
Source: Canadian Journal of Urology - Category: Urology & Nephrology Tags: Can J Urol Source Type: research
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