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https://www.readbyqxmd.com/read/28723504/active-surveillance-for-small-renal-masses-when-less-is-more
#1
REVIEW
Benjamin T Ristau, Alexander Kutikov, Robert G Uzzo, Marc C Smaldone
CONTEXT: A marked increase in incidentally detected small renal masses (SRMs) has occurred over the past decade. Active surveillance (AS) has emerged as an initial management option for these patients. OBJECTIVE: (1) To determine selection criteria, assess appropriate imaging modalities and surveillance frequencies, and define triggers for delayed intervention (DI) for patients on AS. (2) To describe oncologic outcomes for patients on AS protocols. EVIDENCE ACQUISITION: The PubMed database was queried for English language articles using the keywords "surveillance" and "renal mass" or "renal cell carcinoma" or "kidney cancer...
December 15, 2016: European Urology Focus
https://www.readbyqxmd.com/read/28723490/renal-preservation-and-partial-nephrectomy-patient-and-surgical-factors
#2
REVIEW
Lorenzo Marconi, Mihir M Desai, Vincenzo Ficarra, Francesco Porpiglia, Hendrik Van Poppel
CONTEXT: Optimization of the partial nephrectomy (PN) procedure in terms of preservation of functional outcomes is of special importance. OBJECTIVE: To review the most important patient and surgical factors that may influence the three elements that ultimately define the preservation of renal function (RF) after PN: preoperative RF, quantity of parenchyma preserved, and nephron recovery from ischemic insult. EVIDENCE ACQUISITION: A nonsystematic review of the literature was conducted...
December 15, 2016: European Urology Focus
https://www.readbyqxmd.com/read/28721154/obesity-and-inflammation-the-linking-mechanism-and-the-complications
#3
Mohammed S Ellulu, Ismail Patimah, Huzwah Khaza'ai, Asmah Rahmat, Yehia Abed
Obesity is the accumulation of abnormal or excessive fat that may interfere with the maintenance of an optimal state of health. The excess of macronutrients in the adipose tissues stimulates them to release inflammatory mediators such as tumor necrosis factor α and interleukin 6, and reduces production of adiponectin, predisposing to a pro-inflammatory state and oxidative stress. The increased level of interleukin 6 stimulates the liver to synthesize and secrete C-reactive protein. As a risk factor, inflammation is an imbedded mechanism of developed cardiovascular diseases including coagulation, atherosclerosis, metabolic syndrome, insulin resistance, and diabetes mellitus...
June 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28721084/urinary-timp2%C3%A2-igfbp7-for-the-prediction-of-platinum-induced-acute-renal-injury
#4
Moritz Schanz, Anette Hoferer, Jing Shi, Mark Dominik Alscher, Martin Kimmel
INTRODUCTION: Platinum-based chemotherapy (PBC) is a potent antineoplastic treatment, but cisplatin nephrotoxicity is often the limiting factor. Identifying the patients who are at risk for developing platinum-induced renal injury is an important issue. We tested urinary TIMP2·IGFBP7, a new US Food and Drug Administration (FDA)-cleared test to assess the risk of acute kidney injury (AKI), in a cohort of patients with malignant neoplastic disease receiving PBC. PATIENTS AND METHODS: A total of 58 patients with malignant neoplastic disease were enrolled in this study, of whom 32 patients had both urine samples and subsequent serum creatinine values available for detecting AKI within 72 hours...
2017: International Journal of Nephrology and Renovascular Disease
https://www.readbyqxmd.com/read/28716649/blood-platelet-volume-represents-a-novel-prognostic-factor-in-non-metastatic-renal-cell-carcinoma-patients-and-improves-the-predictive-ability-of-established-prognostic-scores
#5
Maximilian Seles, Florian Posch, Georg P Pichler, Thomas Gary, Karl Pummer, Richard Zigeuner, Georg C Hutterer, Martin Pichler
PURPOSE: The average size of blood platelets determined by the mean platelet volume (MPV), might represent a biologically meaningful parameter in carcinogenesis and potentially serve as novel prognostic biomarker in renal cell carcinoma (RCC). MATERIALS AND METHODS: In this retrospective analysis (n=652) we evaluated the potential prognostic value of MPV and its ability to improve existing risk assessment tools used in adjuvant clinical trials in non-metastatic RCC...
July 14, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28716390/impact-of-cytokine-genetic-polymorphisms-on-the-risk-of-renal-parenchymal-infection-in-children
#6
Almontaser Hussein, Eman Askar, Ahlam Badawy, Khaled Saad, Asmaa Zahran, Ahmad A Elderwy
BACKGROUND: Acute pyelonephritis is associated with renal scarring in up to 30% of patients. Renal scarring may cause significant long-term morbidity. The pathogenesis of acute pyelonephritis remains unclear, although it involves interaction among uroepithelium, the immune system cells, and the locally produced cytokines. That some UTI-prone children develop acute pyelonephritis, and eventually renal parenchymal scarring, suggests a genetic role. Interleukin-6, interleukin-8, chemokine receptor-1 (CXCR1), and tumor necrosis factor-alpha (TNFα), the key regulators of the host immune responses, are proteins whose secretion is controlled by genes...
July 3, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28715484/multiple-renal-cancer-susceptibility-polymorphisms-modulate-the-hif-pathway
#7
Steffen Grampp, Virginia Schmid, Rafik Salama, Victoria Lauer, Franziska Kranz, James L Platt, James Smythies, Hani Choudhry, Margarete Goppelt-Struebe, Peter J Ratcliffe, David R Mole, Johannes Schödel
Un-physiological activation of hypoxia inducible factor (HIF) is an early event in most renal cell cancers (RCC) following inactivation of the von Hippel-Lindau tumor suppressor. Despite intense study, how this impinges on cancer development is incompletely understood. To test for the impact of genetic signals on this pathway, we aligned human RCC-susceptibility polymorphisms with genome-wide assays of HIF-binding and observed highly significant overlap. Allele-specific assays of HIF binding, chromatin conformation and gene expression together with eQTL analyses in human tumors were applied to mechanistic analysis of one such overlapping site at chromosome 12p12...
July 17, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28711571/effectiveness-of-single-dose-rasburicase-in-patients-with-lymphoid-malignancies-at-a-high-risk-for-tumor-lysis-syndrome
#8
Young-Woo Jeon, Dae-Hun Kwak, Sung-Soo Park, Jae-Ho Yoon, Sung-Eun Lee, Ki-Seong Eom, Yoo-Jin Kim, Hee-Je Kim, Seok Lee, Chang-Ki Min, Jong-Wook Lee, Woo-Sung Min, Seok-Goo Cho
BACKGROUND: Tumor lysis syndrome (TLS) is a life-threatening disorder that occurs mainly in patients with high-tumor burden hemato-oncologic malignancies. It results in metabolic derangements, including hyperuricemia and acute renal failure. The powerful management for TLS is a daily dose of rasburicase for up to 5 days before chemotherapy; however, the optimal dose and duration of rasburicase for TLS prophylaxis have not been standardized for patients at high risk for TLS. Therefore, we evaluated the efficacy of single-dose rasburicase for prophylactic purposes in patients with malignant lymphoma at high risk for TLS...
June 27, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28711167/perioperative-management-of-hypertensive-neuroblastoma-a-study-from-the-italian-group-of-pediatric-surgical-oncologists-gicop
#9
Luca Pio, Stefano Avanzini, Girolamo Mattioli, Giuseppe Martucciello, Angela Rita Sementa, Massimo Conte, Annarita Gigliotti, Claudio Granata, Ernesto Leva, Anna Maria Fagnani, Umberto Caccioppoli, Nino Tedesco, Jurgen Schleef, Elisa Tirtei, Fortunato Siracusa, Paolo D'Angelo, Pierluigi Lelli Chiesa, Lucia Miglionico, Bruno Noccioli, Elisa Severi, Claudio Carlini, Francesco Vaccarella, Francesco Camoglio, Simone Cesaro, Alessandra Narciso, Giovanna Riccipetitoni, Giovanni Cecchetto, Alessandro Inserra
BACKGROUND: Hypertension (HT) is rarely reported in patients affected by Neuroblastoma (NB), and management guidelines are lacking. Clinical features and perioperative medical treatment in such patients were reviewed to 1) ascertain whether a shared treatment strategy exists among centers and 2) if possible, propose some recommendations for the perioperative management of HT in NB patients. METHODS: A retrospective multicenter survey was conducted on patients affected by NB who presented HT symptoms...
July 3, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28688232/aberrant-promoter-methylation-of-pcdh17-protocadherin-17-in-serum-and-its-clinical-significance-in-renal-cell-carcinoma
#10
Ying-Li Lin, Yun-Peng Wang, Hong-Zhao Li, Xu Zhang
BACKGROUND Current studies indicated that PCDH17 functions as a tumor suppressor, which is frequently inactivated by aberrant promoter methylation in urologic tumors. The main purpose of this study was to investigate the methylation status of PCDH17 in serum and its clinical significance in renal cell carcinoma (RCC). MATERIAL AND METHODS The methylation status of PCDH17 in serum samples of 142 RCC patients and 34 controls was evaluated by methylation-specific PCR (MSP). Then we correlated PCDH17 methylation status with the clinicopathologic features of RCC patients and patient outcomes...
July 8, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28682434/high-expression-of-long-non-coding-rna-atb-is-associated-with-poor-prognosis-in-patients-with-renal-cell-carcinoma
#11
J-J Qi, Y-X Liu, L Lin
OBJECTIVE: To compare the expression of lncRNA-ATB in renal cell carcinoma (RCC) tissues and adjacent non-tumor tissues to determine whether lncRNA-ATB could be used as a potential prognostic biomarker for RCC. PATIENTS AND METHODS: qRT-PCR was performed to determine the expression level of lncRNA-ATB in RCC tissues and corresponding non-tumor tissues. The relationship between lncRNA-ATB expression and clinicopathologic features was analyzed. Patient survival analysis was determined according to the Kaplan-Meier method using the log-rank test...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28681032/patient-and-nonradiographic-tumor-characteristics-predicting-lipid-poor-angiomyolipoma-in-small-renal-masses-introducing-the-bears-index
#12
Tyler M Bauman, Aaron M Potretzke, Alec J Wright, Joel M Vetter, Theodora A Potretzke, R Sherburne Figenshau
PURPOSE: To create a simple model using clinical variables for predicting lipid-poor angiomyolipoma (AML) in patients with small renal masses presumed to be renal cell carcinoma (RCC) from preoperative imaging. MATERIALS AND METHODS: A series of patients undergoing partial nephrectomy (PN) for renal masses ≤4 cm was identified using a prospectively maintained database. Patients were excluded if standard preoperative imaging was not consistent with RCC. Chi square and Mann-Whitney U analyses were used to evaluate differences in characteristics between patients with AML and other types of pathology...
July 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/28673381/biomarkers-of-necrotising-soft-tissue-infections-aspects-of-the-innate-immune-response
#13
Marco Bo Hansen
Necrotising soft tissue infection (NSTI) is a life-threatening and rapidly progressing bacterial infection involving one or more layers of the soft tissue compartments causing necrosis. The amputation and mortality rates remain high despite increased focus on the patients. Timely treatment, including surgical intervention, reduces the risk of severe disability and death. However, the lack of pathognomonic signs impedes early diagnosis and treatment. Moreover, the rarity of the disease makes it difficult to conduct large prospective studies, thus prospective research is almost non-existent in this group of patients...
July 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28664301/association-of-decreased-mean-platelet-volume-with-renal-cell-carcinoma
#14
Zhi-Yuan Yun, Xin Zhang, Zhi-Ping Liu, Tiemin Liu, Rui-Tao Wang, Hui Chen
BACKGROUND: Renal cell carcinoma (RCC) is the third most common genitourinary cancer. Activated platelets play a pivotal role in cancer development and progression. Altered mean platelet volume (MPV) has been reported in several malignancies. The aim of the present study was to investigate the association of MPV with RCC. STUDY DESIGN: The study consisted of 145 patients with RCC, 110 patients with benign renal tumor and 132 healthy control subjects between January 2015 and December 2015...
June 29, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28650865/effect-of-obesity-on-bladder-cancer-and-renal-cell-carcinoma-incidence-and-survival
#15
Philipp Gild, Behfar Ehdaie, Luis A Kluth
PURPOSE OF REVIEW: The prevalence of obesity has risen dramatically in the general population and among cancer survivors in the last three decades. In this review, we highlight the impact of obesity on carcinogenesis and survival with a focus on bladder cancer and renal cell carcinoma (RCC). RECENT FINDINGS: Obesity presents an established risk factor for an up to 1.8-fold relative risk of RCC. Data with regard to bladder cancer are less abundant but support this association as well...
June 24, 2017: Current Opinion in Urology
https://www.readbyqxmd.com/read/28642820/intratumorally-injected-pro-inflammatory-allogeneic-dendritic-cells-as-immune-enhancers-a-first-in-human-study-in-unfavourable-risk-patients-with-metastatic-renal-cell-carcinoma
#16
Anna Laurell, Maria Lönnemark, Einar Brekkan, Anders Magnusson, Anna Tolf, Anna Carin Wallgren, Bengt Andersson, Lars Adamson, Rolf Kiessling, Alex Karlsson-Parra
BACKGROUND: Accumulating pre-clinical data indicate that the efficient induction of antigen-specific cytotoxic CD8+ T cells characterizing viral infections is caused by cross-priming where initially infected DCs produce an unique set of inflammatory factors that recruit and activate non-infected bystander DCs. Our DC-based immunotherapy concept is guided by such bystander view and accordingly, we have developed a cellular adjuvant consisting of pre-activated allogeneic DCs producing high levels of DC-recruiting and DC-activating factors...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28640195/pharmacogenomic-variants-may-influence-the-urinary-excretion-of-novel-kidney-injury-biomarkers-in-patients-receiving-cisplatin
#17
Cara Chang, Yichun Hu, Susan L Hogan, Nickie Mercke, Madeleine Gomez, Cindy O'Bryant, Daniel W Bowles, Blessy George, Xia Wen, Lauren M Aleksunes, Melanie S Joy
Nephrotoxicity is a dose limiting side effect associated with the use of cisplatin in the treatment of solid tumors. The degree of nephrotoxicity is dictated by the selective accumulation of cisplatin in renal tubule cells due to: (1) uptake by organic cation transporter 2 (OCT2) and copper transporter 1 (CTR1); (2) metabolism by glutathione S-transferases (GSTs) and γ-glutamyltransferase 1 (GGT1); and (3) efflux by multidrug resistance-associated protein 2 (MRP2) and multidrug and toxin extrusion protein 1 (MATE1)...
June 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28639257/large-scale-genome-wide-screening-of-circulating-micrornas-in-clear-cell-renal-cell-carcinoma-reveals-specific-signatures-in-late-stage-disease
#18
Estelle Chanudet, Magdalena B Wozniak, Liacine Bouaoun, Graham Byrnes, Anush Mukeriya, David Zaridze, Paul Brennan, David C Muller, Ghislaine Scelo
Circulating miRNAs have shown great promises as non-invasive diagnostic and predictive biomarkers in several solid tumors. While the miRNA profiles of renal tumors have been extensively explored, knowledge of their circulating counterparts is limited. Our study aimed to provide a large-scale genome-wide profiling of plasma circulating miRNA in clear-cell renal cell carcinoma (ccRCC). Plasma samples from 94 ccRCC cases and 100 controls were screened for 754 circulating micro-RNAs (miRNA) by TaqMan arrays. Analyses including known risk factors for renal cancer, namely age, sex, hypertension, obesity, diabetes, tobacco smoking and alcohol consumption, highlighted that circulating miRNA profiles were tightly correlated with the stage of the disease...
June 22, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28624320/prognostic-value-of-the-vhl-hif-1%C3%AE-and-vegf-signaling-pathway-and-associated-mapk-erk1-2-and-erk5-pathways-in-clear-cell-renal-cell-carcinoma-a-long-term-study
#19
Antonio S Salinas-Sánchez, Leticia Serrano-Oviedo, Syongh Y Nam-Cha, Olga Roche-Losada, Ricardo Sánchez-Prieto, José M Giménez-Bachs
BACKGROUND: The prognostic value of molecular markers in renal cell carcinoma has been investigated in several studies. Although their value is still not confirmed, various proteins are important. We describe the effect on long-term survival of the status of the von Hippel-Lindau (VHL) hypoxia-inducible factor 1-α (HIF1-α) signaling pathway as well as associated mitogen-activated protein kinase (extracellular signal-regulated kinase [ERK]1/2 and ERK5). PATIENTS AND METHODS: A prospective, longitudinal cohort study was conducted with 50 patients diagnosed with clear-cell renal cell carcinoma to analyze VHL mutations and hypermethylation as well as VHL, HIF1-α, vascular endothelial growth factor (VEGF), ERK1/2, and ERK5 protein expression...
May 25, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28619634/enhancement-of-siglec-8-expression-predicts-adverse-prognosis-in-patients-with-clear-cell-renal-cell-carcinoma
#20
Chenzhang Ou, Li Liu, Jiajun Wang, Siyuan Dai, Yang Qu, Ying Xiong, Wei Xi, Jiejie Xu, Jianming Guo
PURPOSE: Sialic acid-binding immunoglobulin-like lectins (siglecs) family has important functions in tumor progression. The purpose of our study is to figure out the correlation between the expression level of Siglec-8 and prognosis of patients with clear cell renal cell carcinoma (ccRCC), and then to predict the overall survival (OS) via a novel nomogram. MATERIALS AND METHODS: A group of patients (n = 267) histologically diagnosed with ccRCC from Zhongshan Hospital were included into our study...
June 12, 2017: Urologic Oncology
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