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https://www.readbyqxmd.com/read/28211006/surgical-margins-in-nephron-sparing-surgery-for-renal-cell-carcinoma
#1
REVIEW
Dean D Laganosky, Christopher P Filson, Viraj A Master
The oncologic impact of positive surgical margins after nephron-sparing surgery is controversial. Herein, we discuss current data surrounding surgical margins in the operative management of renal cell carcinoma. The prevalence, risk factors, outcomes, and subsequent management of positive surgical margins will be reviewed. Literature suggests that the prevalence of positive surgical margins following kidney surgery varies by practice setting, tumor characteristics, and operation type. For patients undergoing nephron-sparing surgery, it is not necessary to remove a margin of healthy tissue...
January 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28195062/the-influence-of-the-tumor-necrosis-factor-alpa-308g-a-polymorphism-on-the-efficacy-of-immunosuppressive-therapy-in-patients-after-kidney-transplantation
#2
M M Kotowski, A Bogacz, J Bartkowiak-Wieczorek, J Sienko, D Procyk, K Dziewanowski, M Ostrowski, B Czerny, E Grzeskowiak, B Machalinski
Cytokines play an important role in the immune response. The calcineurin inhibitors (cyclosporine CsA, tacrolimus TAC) widely used after renal transplantation to prevent allograft rejection are immunosuppressive drugs suppressing the production of cytokines. These drugs are characterized by interindividual variability and require monitoring their blood concentrations to predict their optimal dosage. Therefore, the aim of the study was to determine the correlation between therapeutic effects of immunosuppressants and the tumor necrosis factor-α (TNF-α)-308G>A polymorphism in renal transplant patients...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28188091/a-prospective-multicenter-analysis-of-pseudocapsule-characteristics-do-all-stages-of-renal-cell-carcinoma-have-complete-pseudocapsules
#3
Seok Cho, Jeong Hyeon Lee, Seung Hyun Jeon, Jinsung Park, Sang Hyub Lee, Chul Hwan Kim, Ji-Youn Sung, Joo Heon Kim, Jong Hyun Pyun, Jeong Gu Lee, Je Jong Kim, Jun Cheon, Sung Gu Kang, Seok Ho Kang
OBJECTIVES: To assess the characteristics of pseudocapsule (PC) in localized renal cell carcinoma (RCC) by analyzing the rates of completeness of PC and pseudocapsular invasion and clinical and pathological risk factors of it. MATERIALS AND METHODS: Between February 2013 and September 2015, data were gathered prospectively from 180 consecutive patients who underwent partial nephrectomy or radical nephrectomy at 3 institutions, and 161 were enrolled. Evaluated factors included age and sex; histologic factors such as tumor diameter, stage, tumor subtype, necrosis, and Fuhrman grade; and clinical factors such as RENAL score; and completeness of PC...
February 7, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28188050/successful-treatment-with-caspofungin-of-candiduria-in-a-child-with-wilms-tumor-review-of-literature
#4
M S Rezai, A Vaezi, H Fakhim, A Soleimani, H Mohammad Jafari, S Mohseni, H Badali
Symptomatic candiduria often occurs in patients with indwelling bladder catheters or immunocompromised host. Isolation of Candida in urine in high-risk patients should primarily be considered as a marker for candidemia. Hematological and genitourinary malignancies are one of the main risk factors associated with Candida urinary tract infections (CUTI). Fluconazole is a choice for initial treatment of CUTI, but it is fluctuate depending on the patient's condition including renal failure, site of urinary infection and Candida species...
February 7, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28185218/clinical-pharmacokinetics-and-pharmacodynamics-of-pazopanib-towards-optimized-dosing
#5
REVIEW
Remy B Verheijen, Jos H Beijnen, Jan H M Schellens, Alwin D R Huitema, Neeltje Steeghs
Pazopanib is an inhibitor of the vascular endothelial growth factor receptor, platelet-derived growth factor receptor, fibroblast growth factor receptor and stem cell receptor c-Kit, and has been approved for the treatment of renal cell carcinoma and soft tissue sarcoma. The pharmacokinetics of pazopanib are complex and are characterized by pH-dependent solubility, large interpatient variability and low, non-linear and time-dependent bioavailability. Exposure to pazopanib is increased by both food and coadministration of ketoconazole, but drastically reduced by proton pump inhibitors...
February 10, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28184961/renal-mass-biopsy-and-thermal-ablation-should-biopsy-be-performed-before-or-during-the-ablation-procedure
#6
Shane A Wells, Vincenzo K Wong, Tyler A Wittmann, Meghan G Lubner, Sara L Best, Timothy J Ziemlewicz, J Louis Hinshaw, Fred T Lee, E Jason Abel
PURPOSE: To determine if renal mass biopsy should be performed before or during the ablation procedure with emphasis on complications and rate of ablation for renal cell carcinomas (RCC), benign tumors, and small renal masses without a histologic diagnosis. METHODS: This HIPAA-compliant, single-center retrospective study was performed under a waiver of informed consent from the institutional review board. Two hundred eighty-four consecutive patients with a small renal mass (≤4...
February 9, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28163719/inferior-vena-cava-and-renal-vein-thrombosis-associated-with-thymic-carcinoma
#7
Vlad Teodor Berbecar, Roxana Jurubita, Marina Paraschiv, Bogdan Obrisca, Bogdan Sorohan, Gener Ismail
Thymic tumors are rare mediastinal tumors that can present with a wide variety of symptoms. They can cause distant manifestations and are frequently associated with paraneoplastic syndromes. In our case, we describe the evolution of a 68-year-old male whose first manifestation was thrombosis of the inferior vena cava and renal veins. Thrombosis of large abdominal veins is rare, especially without being associated with any other comorbidity or risk factors.
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28160575/safety-and-efficacy-of-bleomycin-pingyangmycin-containing-chemotherapy-regimens-for-malignant-germ-cell-tumor-patients-in-the-female-genital-system
#8
Qianying Zhao, Dongyan Cao, Mei Yu, Jiaxin Yang, Yongjian Liu, Yang Xiang, Ming Wu, Lingya Pan, Jinghe Lang, Kaifeng Xu, Jiangna Han, Keng Shen
OBJECTIVES: To comprehensively evaluate the safety and effectiveness of bleomycin/pingyangmycin-containing chemotherapy for female patients with malignant germ cell tumors in their genital system; to assess the diagnostic value of pulmonary function tests for bleomycin-induced pulmonary toxicity. METHODS: Data from a cohort of 120 patients, collected across 25 years, was reviewed. Chemotherapy-related adverse events were routinely monitored. Pulmonary toxicity was diagnosed and graded according to serial pulmonary function testing results, and potential impact factors were explored...
February 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28159495/phase-2-trial-of-sunitinib-and-gemcitabine-in-patients-with-sarcomatoid-and-or-poor-risk-metastatic-renal-cell-carcinoma-michaelson-md-mckay-rr-werner-l-atkins-mb-van-allen-em-olivier-km-song-j-signoretti-s-mcdermott-df-choueiri-tk-cancer-2015-oct-1-121-19
#9
Raman Jay, R R McKay, L Werner, M B Atkins, E M Van Allen, K M Olivier, J Song, S Signoretti, D F McDermott, T K Choueiri
BACKGROUND: Sarcomatoid renal cell carcinoma (RCC) is associated with an aggressive biology and a poor prognosis. Poor-risk RCC is defined by clinical prognostic factors and demonstrates similarly aggressive behavior. No standard treatment exists for patients with sarcomatoid RCC, and treatment options for patients with poor-risk disease are of limited benefit. The objective of this study was to investigate the efficacy of antiangiogenic therapy in combination with cytotoxic chemotherapy in clinically aggressive RCC...
January 31, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28144093/managing-metastatic-renal-cell-carcinoma-challenges-pitfalls-and-outcomes-in-the-real-world
#10
Karnam Ashok Kumar, Gundeti Sadashivudu, K V Krishnamani, Vijay Gandhi Linga, Lakshmi Srinivas Maddali, Raghunadha Rao Digumarti
INTRODUCTION: Renal cell carcinoma (RCC) is the most common cancer of the kidney accounting for 85% of renal tumors. Metastatic RCC (mRCC) had a poor prognosis and with the introduction of tyrosine-kinase inhibitors, such as sunitinib, pazopanib the outcomes improved. There is only one study reported from India on the use of sunitinib in mRCC. We present our analysis of mRCC and use of sunitinib at our institute over 5 years. MATERIALS AND METHODS: All patients with mRCC receiving sunitinib were analyzed with respect to patient characteristics, response, toxicity, and outcomes...
October 2016: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28087299/when-partial-nephrectomy-is-unsuccessful-understanding-the-reasons-for-conversion-from-robotic-partial-to-radical-nephrectomy-at-a-tertiary-referral-center
#11
Önder Kara, Matthew J Maurice, Pascal Mouracade, Ercan Malkoç, Julien Dagenais, Ryan J Nelson, Jaya Sai Chavali, Robert J Stein, Amr Fergany, Jihad H Kaouk
OBJECTIVE: To identify the preoperative factors associated with conversion from robotic partial nephrectomy (RPN) to radical nephrectomy (RN), and to report the incidence of this event. PATIENTS AND METHODS: Using our institutional review board-approved database, we abstracted data on 1023 RPN cases performed at our center between 2010 and 2015. Standard and converted cases were compared in terms of patients and tumor characteristics and perioperative, functional, and oncological outcomes...
January 10, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28078533/risk-factors-for-intravesical-recurrence-after-nephroureterectomy-in-patients-with-upper-urinary-tract-urothelial-carcinoma
#12
Ryo Yamashita, Reiko Watanabe, Ichiro Ito, Hideo Shinsaka, Masafumi Nakamura, Masato Matsuzaki, Masashi Niwakawa
PURPOSE: To determine major risk factors for bladder cancer (BC) recurrence after nephroureterectomy (Nux) by focusing on the pathologic appearances of tumors in upper urinary tract urothelial carcinomas (UUTUCs). METHODS: We performed 147 Nux procedures between November 2002 and September 2015. Forty-eight patients were excluded because of a history of BC (28 patients), previous or concurrent radical cystectomy (9 patients), neoadjuvant chemotherapy (5 patients), and other reasons (6 patients)...
January 11, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28077457/systems-biology-derived-biomarkers-to-predict-progression-of-renal-function-decline-in-type-2-diabetes-mellitus
#13
Gert Mayer, Hiddo J L Heerspink, Constantin Aschauer, Andreas Heinzel, Georg Heinze, Alexander Kainz, Judith Sunzenauer, Paul Perco, Dick de Zeeuw, Peter Rossing, Michelle Pena, Rainer Oberbauer
OBJECTIVE: Chronic kidney disease (CKD) in diabetes has a complex molecular and likely multifaceted pathophysiology. We aimed to validate a panel of biomarkers identified using a systems biology approach to predict the individual decline of estimated glomerular filtration rate (eGFR) in a large group of patients with type 2 diabetes mellitus and CKD at various stages. RESEARCH DESIGN AND METHODS: We used publicly available "omics" data to develop a molecular process model of CKD in diabetes and identified a representative parsimonious set of nine molecular biomarkers: chitinase 3-like protein 1, growth hormone 1, hepatocyte growth factor, matrix metalloproteinase (MMP) 2, MMP7, MMP8, MMP13, tyrosine kinase, and tumor necrosis factor receptor-1...
January 11, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28074526/risk-factors-for-nonmelanoma-skin-cancer-in-renal-transplant-recipients-a-case-control-study-from-a-reference-outpatient-clinic-in-southeast-brazil
#14
Flávia R Ferreira, Marilia M Ogawa, Luiz F C Nascimento, Jane Tomimori
BACKGROUND: Nonmelanoma skin cancer (NMSC) is the most common tumor in humans, and its incidence increases among renal transplant recipients (RTRs). The aims of this study were to characterize the RTRs with NMSC, to identify risk factors, and to calculate the probability of this tumor in this population. METHODS: This was a hospital-based case-control study. Epidemiological and clinical variables were evaluated. Hierarchical logistic regression was used, and a mathematical model was built...
February 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28063327/serum-levels-of-fibroblast-growth-factor-23-are-elevated-in-patients-with-active-lupus-nephritis
#15
Aline L Resende, Rosilene M Elias, Myles Wolf, Luciene M Dos Reis, Fabiana G Graciolli, Geuza D Santos, Cristiane B Dias, Vanda Jorgetti, Viktoria Woronik, Rosa M A Moysés
BACKGROUND: Fibroblast growth factor 23 (FGF23), a phosphate-regulating hormone is an established cardiovascular risk factor. Recently, FGF23 has been related to inflammation. Lupus is an inflammatory disease, and whether FGF23 is associated with Lupus nephritis (LN) activity is unknown. MATERIALS AND METHODS: We studied 15 pre-menopausal patients with recent LN diagnose (⩽2months) and compared them to 1:1 age-matched healthy control group. We measured serum levels of intact FGF23, interleukin-6 (IL-6), tumor necrosis factor α (TNFα), and urinary levels of monocyte chemotactic protein (MCP1)...
January 4, 2017: Cytokine
https://www.readbyqxmd.com/read/28062909/paediatric-anti-neutrophil-cytoplasmic-antibody-anca-associated-vasculitis-an-update-on-renal-management
#16
REVIEW
Lucy A Plumb, Louise Oni, Stephen D Marks, Kjell Tullus
The anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitides (AAV) are a group of disorders characterized by necrotizing inflammation of the small to medium vessels in association with autoantibodies against the cytoplasmic region of the neutrophil. Included in this definition are granulomatosis with polyangiitis (GPA, formerly known as Wegener's granulomatosis), microscopic polyangiitis (MPA) and eosinophilic granulomatosis with polyangiitis (formerly known as Churg-Strauss syndrome). AAV are chronic, often relapsing diseases that can be organ or life threatening...
January 6, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28052685/occurrence-of-malignancies-after-kidney-transplantation-in-adults-slovak-multicenter-experience
#17
Z Zilinska, M Sersenova, M Chrastina, J Breza Sr, L Bena, T Baltesova, A Jurcina, R Roland, E Lackova, M Cellar, L Laca, I Dedinska
Malignancies are one of the three major causes of renal recipient´s death with a functioning graft after cardiovascular diseases and infections. Among the variety of risk factors, including conventional and specific to transplant recipients, the duration of immunosuppressive therapy, the intensity of therapy, and the type of immunosuppressive agent all have an impact on development of post-transplant malignancy. The aim of our retrospective study was to document the incidence, the type of malignancies, the patient/graft survival in the group of kidney transplant recipients in Slovak Republic, and to identify the factors which influenced the outcome...
January 5, 2017: Neoplasma
https://www.readbyqxmd.com/read/28013471/inflammation-and-oxidation-do-they-improve-after-kidney-transplantation-relationship-with-mortality-after-transplantation
#18
Laura Cañas, Eva Iglesias, María Cruz Pastor, Jaume Barallat, Javier Juega, Ioana Bancu, Ricardo Lauzurica
: Patients with chronic kidney disease (CKD) are characterized by a state of inflammation and oxidative stress that seems to improve after kidney transplantation (KT). Nevertheless, there is controversy regarding what is the best marker that better define inflammation and specially oxidative stress. OBJECTIVE: To evaluate the biomarkers which are associated with improvements in inflammation and lipid peroxidation in patients who have undergone KT. To evaluate the relationship between inflammation, lipid peroxidation and mortality in KT...
December 24, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/28005706/endothelin-type-a-receptor-blockade-reduces-vascular-calcification-and-inflammation-in-rats-with-chronic-kidney-disease
#19
Richard Larivière, Alexandra Gauthier-Bastien, Roth-Visal Ung, Julie St-Hilaire, Fabrice Mac-Way, Darren E Richard, Mohsen Agharazii
OBJECTIVE: Arterial stiffness and calcification are nontraditional cardiovascular risk factors in chronic kidney disease (CKD). Using a rat model of CKD with mineral imbalance, medial vascular calcification has been associated with inflammation and increased endothelin-1 (ET-1) production. We therefore hypothesized that ET-1, through the endothelin type A (ETA) receptor, induces vascular inflammation, calcification and stiffness in CKD. METHODS: CKD was induced in Wistar rats by renal mass ablation...
February 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/27998909/association-of-circulating-biomarkers-adrenomedullin-tnfr1-and-nt-probnp-with-renal-function-decline-in-patients-with-type-2-diabetes-a-french-prospective-cohort
#20
Pierre-Jean Saulnier, Elise Gand, Gilberto Velho, Kamel Mohammedi, Philippe Zaoui, Mathilde Fraty, Jean Michel Halimi, Ronan Roussel, Stéphanie Ragot, Samy Hadjadj
OBJECTIVE: We explored the prognostic value of three circulating candidate biomarkers-midregional-proadrenomedullin (MR-proADM), soluble tumor necrosis factor receptor 1 (sTNFR1), and N-terminal prohormone brain natriuretic peptide (NT-proBNP)-for change in renal function in patients with type 2 diabetes. RESEARCH DESIGN AND METHODS: Outcomes were defined as renal function loss (RFL), ≥40% decline of estimated glomerular filtration rate (eGFR) from baseline, and rapid renal function decline (RRFD), absolute annual eGFR slope <-5 mL/min/year...
December 20, 2016: Diabetes Care
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