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Kidney cancer pathology

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https://www.readbyqxmd.com/read/29138671/high-circulating-levels-of-angptl2-beyond-a-clinical-marker-of-systemic-inflammation
#1
REVIEW
Nathalie Thorin-Trescases, Eric Thorin
Angiopoietin-like 2 (ANGPTL2) is a proinflammatory protein belonging to the angiopoietin-like family. ANGPTL2 is secreted and detected in the systemic circulation. Different observational clinical studies reported that circulating levels of ANGPTL2 increase significantly in various chronic inflammatory diseases and showed associations between ANGPTL2 levels and diagnosis and/or prognosis of cardiovascular diseases, diabetes, chronic kidney disease, and various types of cancers. However, these studies did not address the following questions: (a) what are the sources of circulating ANGPTL2? (b) How and by which mechanisms an increase in circulating ANGPTL2 contributes to the pathogenesis of chronic inflammatory diseases? (c) Does an increase in circulating levels of ANGPTL2 measured in a well-defined chronic medical condition originate from a specific cell type? Mechanistic hypotheses have been proposed based on studies performed in mice and cultured cells, and proinflammatory, prooxidative, proangiogenic, proliferative, and antiapoptotic properties of ANGPTL2 have been reported...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29137050/uncommon-cause-of-fungemia-in-a-patient-with-renal-cell-cancer-a-case-report-of-candida-lusitaniae-fungemia
#2
Rashmi Mishra, Paul Kelly, Omesh Toolsie, Puvvalingam Ayyadurai, Muhammad Adrish
INTRODUCTION: We present an interesting case of Candida lusitaniae infection in a patient diagnosed with renal clear cell carcinoma.An 82-year-old male presented with worsening back pain for 1 week. Physical examination including neurologic examination was normal. A computed tomography scan of the abdomen revealed a mass in the right upper pole of the kidney suggestive of a renal neoplasm. Pathology from a percutaneous biopsy of the kidney revealed clear cell carcinoma. During his hospitalization the patient developed fungemia due to C lusitaniae...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29134564/seom-clinical-guideline-for-treatment-of-kidney-cancer-2017
#3
E Gallardo, M J Méndez-Vidal, J L Pérez-Gracia, J M Sepúlveda-Sánchez, M Campayo, I Chirivella-González, X García-Del-Muro, A González-Del-Alba, E Grande, C Suárez
The goal of this article is to provide recommendations about the management of kidney cancer. Based on pathologic and molecular features, several kidney cancer variants were described. Nephron-sparing techniques are the gold standard of localized disease. After a randomized trial, sunitinib could be considered in adjuvant treatment in high-risk patients. Patients with advanced disease constitute a heterogeneous population. Prognostic classification should be considered. Both sunitinib and pazopanib are the standard options for first-line systemic therapy in advanced renal cell carcinoma...
November 13, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/29128526/functional-analysis-of-cullin-3-e3-ligases-in-tumorigenesis
#4
REVIEW
Ji Cheng, Jianping Guo, Zhiwei Wang, Brian J North, Kaixiong Tao, Xiangpeng Dai, Wenyi Wei
Cullin 3-RING ligases (CRL3) play pivotal roles in the regulation of various physiological and pathological processes, including neoplastic events. The substrate adaptors of CRL3 typically contain a BTB domain that mediates the interaction between Cullin 3 and target substrates to promote their ubiquitination and subsequent degradation. The biological implications of CRL3 adaptor proteins have been well described where they have been found to play a role as either an oncogene, tumor suppressor, or can mediate either of these effects in a context-dependent manner...
November 8, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29110685/lingual-metastasis-as-an-initial-presentation-of-renal-cell-carcinoma-a-case-report
#5
Hanan Raiss, Sophie Duplomb, Sophie Tartas, Mohamed Layachi, Hassan Errihani
BACKGROUND: Renal cell carcinoma is the third most common tumor that metastasizes to the head and neck, after breast and lung carcinomas. Tongue metastasis as an initial presentation of renal cell carcinoma is extremely rare, and very few cases have been reported. The prognosis is poor. We present a rare case of metastatic renal cell carcinoma that initially presented as a tongue lesion. CASE PRESENTATION: We report the case of a 55-year-old white man who presented with a large exophytic lesion on his tongue...
November 7, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29108860/fibrosis-imaging-current-concepts-and-future-directions
#6
Maike Baues, Anshuman Dasgupta, Josef Ehling, Jai Prakash, Peter Boor, Frank Tacke, Fabian Kiessling, Twan Lammers
Fibrosis plays an important role in many different pathologies. It results from tissue injury, chronic inflammation, autoimmune reactions and genetic alterations, and it is characterized by the excessive deposition of extracellular matrix components. Biopsies are routinely employed for fibrosis diagnosis, but they suffer from several drawbacks, including their invasive nature, sampling variability and limited spatial information. To overcome these limitations, multiple different imaging tools and technologies have been evaluated over the years, including x-ray imaging, computed tomography (CT), ultrasound (US), magnetic resonance imaging (MRI), positron emission tomography (PET) and single-photon emission computed tomography (SPECT)...
November 3, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/29104463/plasma-levels-of-endothelial-cell-specific-molecule-1-as-a-potential-biomarker-of-oral-cancer-progression
#7
Wei-En Yang, Ming-Ju Hsieh, Chiao-Wen Lin, Chun-Ying Kuo, Shun-Fa Yang, Chun-Yi Chuang, Mu-Kuan Chen
In Taiwan, oral cancer is the fourth most common cancer and the most common malignancy with a poor prognosis. Endothelial cell-specific molecule-1 (ESM-1) is secreted by vascular endothelial cells in the liver, lungs, kidneys, and gastrointestinal tract. ESM-1 expression is associated with tumor prognosis, metastasis, and angiogenesis in many cancers. However, few studies have examined the association of plasma ESM-1 levels with oral squamous cell carcinoma (OSCC) progression. We measured the plasma ESM-1 levels of 438 male OSCC patients through a commercial enzyme-linked immunosorbent assay...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29101110/the-biology-of-bone-metastasis
#8
Mark Esposito, Theresa Guise, Yibin Kang
Bone metastasis, or the development of secondary tumors within the bone of cancer patients, is a debilitating and incurable disease. Despite its morbidity, the biology of bone metastasis represents one of the most complex and intriguing of all oncogenic processes. This complexity derives from the intricately organized bone microenvironment in which the various stages of hematopoiesis, osteogenesis, and osteolysis are jointly regulated but spatially restricted. Disseminated tumor cells (DTCs) from various common malignancies such as breast, prostate, lung, and kidney cancers or myeloma are uniquely primed to subvert these endogenous bone stromal elements to grow into pathological osteolytic or osteoblastic lesions...
November 3, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/29096642/positive-surgical-margin-following-radical-nephrectomy-is-an-independent-predictor-of-local-recurrence-and-disease-specific-survival
#9
Yasmin Abu-Ghanem, Jacob Ramon, Raanan Berger, Issac Kaver, Edi Fridman, Raya Leibowitz-Amit, Zohar A Dotan
BACKGROUND: Positive surgical margins (PSM) are recognized as an adverse prognostic sign and are often associated with higher rates of local and systemic disease recurrence. The data regarding the oncological outcome for PSM following radical nephrectomy (RN) is limited. We examined the predictive factors for PSM and its influence on survival and site of recurrence in patients treated with RN for renal cell carcinoma (RCC). METHODS: Clinical, pathologic and follow-up data on 714 patients undergoing RN for kidney cancer were analyzed...
November 2, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29071122/diagnostic-algorithm-prognostic-factors-and-surgical-treatment-of-metastatic-cancer-diseases-of-the-long-bones-and-spine
#10
REVIEW
Miklós Szendrői, Imre Antal, Attila Szendrői, Áron Lazáry, Péter Pál Varga
Oncological management of skeletal metastases has changed dramatically in the last few decades. A significant number of patients survive for many years with their metastases.Surgeons are more active and the technical repertoire is broader, from plates to intramedullary devices to (tumour) endoprostheses.The philosophy of treatment should be different in the case of a trauma-related fracture and a pathological fracture. A proper algorithm for establishing a diagnosis and evaluation of prognostic factors helps in planning the surgical intervention...
September 2017: EFORT open reviews
https://www.readbyqxmd.com/read/29053460/sdl-saliency-based-dictionary-learning-framework-for-image-similarity
#11
Rituparna Sarkar, Scott T Acton
In image classification, obtaining adequate data to learn a robust classifier has often proven to be difficult in several scenarios. Classification of histological tissue images for health care analysis is a notable application in this context due to the necessity of surgery, biopsy or autopsy. To adequately exploit limited training data in classification, we propose a saliency guided dictionary learning method and subsequently an image similarity technique for histo-pathological image classification. Salient object detection from images aids in the identification of discriminative image features...
October 16, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/29044535/incidence-and-histologic-features-of-mixed-renal-tumors
#12
Neil J Kocher, Chris Rjepaj, Erik Lehman, Jay D Raman
BACKGROUND AND OBJECTIVES: Guidelines for management of renal cell carcinoma (RCC) incompletely address the implications of mixed renal tumor histology. We investigate the incidence of mixed renal tumors identified at renal surgery and determine the association with pathologic features. METHODS: Institutional kidney tumor database was reviewed to identify 536 patients who underwent partial or radical nephrectomy. Clinical, demographic, and pathologic data were collected...
October 16, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29029632/fatal-haemorrhage-and-neoplastic-thrombosis-in-a-captive-african-lion-panthera-leo-with-metastatic-testicular-sex-cord-stromal-tumour
#13
Omar Antonio Gonzales-Viera, Angélica María Sánchez-Sarmiento, Natália Coelho Couto de Azevedo Fernandes, Juliana Mariotti Guerra, Rodrigo Albergaria Ressio, José Luiz Catão-Dias
BACKGROUND: The study of neoplasia in wildlife species contributes to the understanding of cancer biology, management practices, and comparative pathology. Higher frequencies of neoplasms among captive non-domestic felids have been reported most commonly in aging individuals. However, testicular tumours have rarely been reported. This report describes a metastatic testicular sex cord-stromal tumour leading to fatal haemorrhage and thrombosis in a captive African lion (Panthera leo). CASE PRESENTATION: During necropsy of a 16-year-old male African lion, the left testicle and spermatic cord were found to be intra-abdominal (cryptorchid), semi-hard and grossly enlarged with multiple pale-yellow masses...
October 13, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/29024066/a-comparison-of-exogenous-and-endogenous-cest-mri-methods-for-evaluating-in-vivo-ph
#14
Leila R Lindeman, Edward A Randtke, Rachel A High, Kyle M Jones, Christine M Howison, Mark D Pagel
PURPOSE: Extracellular pH (pHe) is an important biomarker for cancer cell metabolism. Acido-chemical exchange saturation transfer (CEST) MRI uses the contrast agent iopamidol to create spatial maps of pHe. Measurements of amide proton transfer exchange rates (kex ) from endogenous CEST MRI were compared to pHe measurements by exogenous acido-CEST MRI to determine whether endogenous kex could be used as a proxy for pHe measurements. METHODS: Spatial maps of pHe and kex were obtained using exogenous acidoCEST MRI and an endogenous CEST MRI analyzed with the omega plot method, respectively, to evaluate mouse kidney, a flank tumor model, and a spontaneous lung tumor model...
October 11, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28985560/ferroptosis-a-regulated-cell-death-nexus-linking-metabolism-redox-biology-and-disease
#15
REVIEW
Brent R Stockwell, José Pedro Friedmann Angeli, Hülya Bayir, Ashley I Bush, Marcus Conrad, Scott J Dixon, Simone Fulda, Sergio Gascón, Stavroula K Hatzios, Valerian E Kagan, Kay Noel, Xuejun Jiang, Andreas Linkermann, Maureen E Murphy, Michael Overholtzer, Atsushi Oyagi, Gabriela C Pagnussat, Jason Park, Qitao Ran, Craig S Rosenfeld, Konstantin Salnikow, Daolin Tang, Frank M Torti, Suzy V Torti, Shinya Toyokuni, K A Woerpel, Donna D Zhang
Ferroptosis is a form of regulated cell death characterized by the iron-dependent accumulation of lipid hydroperoxides to lethal levels. Emerging evidence suggests that ferroptosis represents an ancient vulnerability caused by the incorporation of polyunsaturated fatty acids into cellular membranes, and cells have developed complex systems that exploit and defend against this vulnerability in different contexts. The sensitivity to ferroptosis is tightly linked to numerous biological processes, including amino acid, iron, and polyunsaturated fatty acid metabolism, and the biosynthesis of glutathione, phospholipids, NADPH, and coenzyme Q10...
October 5, 2017: Cell
https://www.readbyqxmd.com/read/28976334/super-scan-caused-by-parathyroid-carcinoma-observed-both-in-18-f-fdg-pet-ct-scan-and-tc-99m-mdp-bone-scintigraphy
#16
İsa Burak Güney, Semra Paydaş, Hüseyin Tuğsan Ballı
Super scan is a well-known finding described in skeletal scintigraphy characterized by uniform symmetrically increased radiopharmaceutical uptake by bones and consequently diminished renal parenchymal activity. Sy et al. hypothesized that the faint visualization of renal cortex in bone scintigraphy might be the result of increased uptake of radiopharmaceutical by pathologic bones and reduced phosphate excretion. The super scan on (18)F-fluorodeoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) has been observed in various conditions such as prostate cancer, lung cancer, renal adenocarcinoma, gastric cancer and primitive neuroectodermal tumor of the kidney...
October 3, 2017: Molecular Imaging and Radionuclide Therapy
https://www.readbyqxmd.com/read/28975890/identification-and-validation-of-novel-prognostic-markers-in-renal-cell-carcinoma
#17
Maj Rabjerg
Kidney cancer (Renal Cell Carcinoma (RCC)) is one of the most deadly malignancies due to frequent late diagnosis and poor treatment options. Histologically, RCC embraces a wide variety of different subtypes with the clear cell variant (ccRCC) being the most common, accounting for 75-90% of all RCCs. At present, the surveillance protocols for follow-up of RCC patients after radical nephrectomy are based on the American Joint Committee on Cancers (AJCC) pathological tumor-node-metastasis (TNM) classification system...
October 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28969067/prevalence-and-survival-prognosis-of-prostate-cancer-in-patients-with-end-stage-renal-disease-a-retrospective-study-based-on-the-korea-national-database-2003-2010
#18
Sung Han Kim, Jae Young Joung, Yoon Seok Suh, Young Ae Kim, Jin Hyuk Hong, Tong Sun Kuark, Eun Sook Lee, Kang Hyun Lee
OBJECTIVE: The study was aimed to evaluate the prevalence and prognosis of prostate cancer (PC) and end-stage renal disease (ESRD), determine the risk factors for overall survival (OS) and PC-specific survival (CSS), and evaluate differences in PC-related clinical therapeutic patterns between patients with and without PC-ESRD. METHODS: This observational population study, performed at the National Cancer Center and Cancer Research Institute in Korea, included patients with PC and ESRD from the nationwide Korean Health Insurance System and Korean Central Cancer Registry data...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28969022/plasma-exosomal-mirnas-based-prognosis-in-metastatic-kidney-cancer
#19
Meijun Du, Karthik V Giridhar, Yijun Tian, Michael R Tschannen, Jing Zhu, Chiang-Ching Huang, Deepak Kilari, Manish Kohli, Liang Wang
Plasma exosomal miRNAs were evaluated for prognosis in an initial set of 44 metastatic renal cell cancer (mRCC) patients by RNA sequencing. Among ∼3.49 million mappable reads per patient, miRNAs accounted for 93.1% of the mapped RNAs. 227 miRNAs with high abundance were selected for survival analysis. Cox regression analysis identified association of 6 miRNAs with overall survival (OS) (P<0.01, False discovery rate (FDR) < 0.3). Five of the associated miRNAs were quantified in an independent follow-up cohort of 65 mRCC patients by TaqMan-based miRNA assays...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28962082/protective-effect-of-schisandra-chinensis-bee-pollen-extract-on-liver-and-kidney-injury-induced-by-cisplatin-in-rats
#20
Haibo Huang, Zhenhuang Shen, Qianqian Geng, Zhenhong Wu, Peiying Shi, Xiaoqing Miao
Cisplatin (CP) has been used to cure numerous forms of cancers effectively in clinics, however, it could induce some toxic effects. Bee pollen is a natural compound, produced by honey bees. It is obtained from collected flower pollen and nectar, mixed with bee saliva. Bee pollen produced from Schisandra chinensis plants is described to exert potent antioxidant effects and to be a free radical scavenger. The purpose of this study was to investigate the effects of therapeutic treatment with Schisandra chinensis bee pollen extract (SCBPE) on liver and kidney injury induced by CP...
November 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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