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Sarcomatoid Renal Cell Carcinoma

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https://www.readbyqxmd.com/read/28620133/the-pvhl172-isoform-is-not-a-tumor-suppressor-and-up-regulates-a-subset-of-pro-tumorigenic-genes-including-tgfb1-and-mmp13
#1
P Hascoet, F Chesnel, F Jouan, C Le Goff, A Couturier, E Darrigrand, F Mahé, N Rioux-Leclercq, X Le Goff, Y Arlot-Bonnemains
The von Hippel-Lindau (VHL) tumor suppressor gene is often deleted or mutated in ccRCC (clear cell renal cell carcinoma) producing a non-functional protein. The gene encodes two mRNA, and three protein isoforms (pVHL213, pVHL160 and pVHL172). The pVHL protein is part of an E3 ligase complex involved in the ubiquitination and proteasomal degradation of different proteins, particularly hypoxia inducible factors (HIF) that drive the transcription of genes involved in the regulation of cell proliferation, angiogenesis or extracellular matrix remodelling...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28561708/systemic-therapy-for-non-clear-cell-renal-cell-carcinoma
#2
Tian Zhang, Jun Gong, Manuel Caitano Maia, Sumanta K Pal
Treatment options for metastatic clear cell renal cell carcinoma (ccRCC) have evolved markedly over the past decade, with multiple targeted therapies approved for the disease. In contrast, little improvement has been made in the management of metastatic non-clear cell RCC (nccRCC). Non-clear cell disease is an umbrella term that encompasses multiple biologically distinct entities, including but not limited to papillary, chromophobe, and sarcomatoid RCC. To date, prospective studies have largely explored treatments for ccRCC (e...
2017: American Society of Clinical Oncology Educational Book
https://www.readbyqxmd.com/read/28552571/prognostic-factors-for-survival-of-patients-with-synchronous-or-metachronous-brain-metastasis-of-renal-cell-carcinoma
#3
Se Young Choi, Sangjun Yoo, Dalsan You, In Gab Jeong, Cheryn Song, Bumsik Hong, Jun Hyuk Hong, Hanjong Ahn, Choung-Soo Kim
INTRODUCTION: We evaluated the oncological outcomes of synchronous or metachronous brain metastasis (BM) of metastatic renal cell carcinoma (RCC) according to clinicopathologic factors. PATIENTS AND METHODS: Patients with metastatic RCC (n = 93) with synchronous and metachronous BM were retrospectively identified. We analyzed patients and tumor characteristics, treatment methods, prognostic factors, BM progression, and overall survival (OS). RESULTS: Seventy-six patients (81...
May 10, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28550387/correlation-of-c-met-expression-with-pd-l1-expression-in-metastatic-clear-cell-renal-cell-carcinoma-treated-by-sunitinib-first-line-therapy
#4
Solène-Florence Kammerer-Jacquet, Sarah Medane, Karim Bensalah, Jean-Christophe Bernhard, Mokrane Yacoub, Frantz Dupuis, Alain Ravaud, Grégory Verhoest, Romain Mathieu, Benoit Peyronnet, Angélique Brunot, Brigitte Laguerre, Alexandra Lespagnol, Jean Mosser, Frédéric Dugay, Marc-Antoine Belaud-Rotureau, Nathalie Rioux-Leclercq
BACKGROUND: Clear cell renal cell carcinoma (ccRCC) is highly metastatic. Cabozantinib, an anti-angiogenic tyrosine kinase inhibitor that targets c-MET, provided interesting results in metastatic ccRCC treatment. OBJECTIVE: To understand better the role of c-MET in ccRCC, we assessed its status in a population of patients with metastatic ccRCC. PATIENTS AND METHODS: For this purpose, tumor samples were analyzed for c-MET expression by immunohistochemistry (IHC), for c-MET copy number alterations by fluorescence in situ hybridization (FISH), and for c-MET mutations by next generation sequencing (NGS) in a retrospective cohort of 90 primary ccRCC of patients with metastases treated by first-line sunitinib...
May 26, 2017: Targeted Oncology
https://www.readbyqxmd.com/read/28546525/pazopanib-for-the-treatment-of-non-clear-cell-renal-cell-carcinoma-a-single-arm-open-label-multicenter-phase-ii-study
#5
Ki Sun Jung, Su Jin Lee, Se Hoon Park, Jae-Lyun Lee, Se-Hoon Lee, Jae Yun Lim, Jung Hun Kang, Suee Lee, Sun Young Rha, Kyung Hee Lee, Ho Young Kim, Ho Yeong Lim
Purpose: The optimal treatment strategy for patients with metastatic non-clear cell type renal cell carcinoma (nccRCC) remains unclear. Although several inhibitors of vascular endothelial growth factor have recently shown efficacy against nccRCC, the clinical benefit of pazopanib in nccRCC has not been analyzed. We therefore designed a single-arm, open-label, phase II study to determine the efficacy and safety of pazopanib in patients with nccRCC. Materials and Methods: Patients with locally advanced or metastatic nccRCC, except for collecting duct or sarcomatoid type, received 800mg/day of pazopanib daily until progression of disease or intolerable toxicity...
May 22, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28528853/sarcomatoid-renal-cell-carcinoma-and-collecting-duct-carcinoma-discrimination-from-common-renal-cell-carcinoma-subtypes-and-benign-rcc-mimics-on-multiphasic-mdct
#6
Jonathan R Young, Jocelyn A Young, Daniel J A Margolis, Steven Sauk, James Sayre, Allan J Pantuck, Steven S Raman
RATIONALE AND OBJECTIVES: To investigate whether imaging features on multiphasic multidetector computed tomography (MDCT) can help discriminate sarcomatoid renal cell carcinoma (RCC) and collecting duct carcinoma (CDC) from other solid renal masses. MATERIALS AND METHODS: With institutional review board approval for this HIPAA-compliant study, we derived a cohort of 7 sarcomatoid RCCs, 4 CDCs, 165 clear cell RCCs, 56 papillary RCCs, 22 chromophobe RCCs, 49 oncocytomas, and 16 lipid-poor angiomyolipomas with preoperative multiphasic MDCT with up to four phases (unenhanced, corticomedullary, nephrographic, and excretory)...
May 18, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28449664/distinct-immunophenotypes-and-prognostic-factors-in-renal-cell-carcinoma-with-sarcomatoid-differentiation-a-systematic-study-of-19-immunohistochemical-markers-in-42-cases
#7
Wenjuan Yu, Yuewei Wang, Yanxia Jiang, Wei Zhang, Yujun Li
BACKGROUND: Renal cell carcinoma (RCC) with sarcomatoid differentiation is a relatively rare tumor containing both carcinoma and sarcomatoid components. However, there has not been a systemic study on immunophenotypes of renal cell carcinoma with sarcomatoid differentiation, especially using some renal specific immunohistochemical markers. In this study, we aimed to comprehensively investigate the distinct immunophenotypes of RCC with sarcomatoid differentiation to analyze the pathogenesis of sarcomatoid differentiation and identify new prognostic factors in RCC with sarcomatoid differentiation...
April 27, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28436368/-pseudo-pseudoaneurysm-following-robotic-assisted-partial-nephrectomy
#8
Eric Schommer, Julio Gundian, David D Thiel
A 65-year-old female presented to clinic requesting follow up for a history of right robotic partial nephrectomy done at an outside institution 2 years prior. Initial pathology demonstrated a grade 2/4 3.4 cm clear cell renal cell carcinoma with negative margins. There was no tumor necrosis, sarcomatoid differentiation, or lymphovascular invasion. High quality follow up imaging initially revealed a pseudoaneurysm in the central portion of the right kidney. The patient was sent to interventional radiology for angioembolization...
April 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28427214/high-mucin-5ac-expression-predicts-adverse-postoperative-recurrence-and-survival-of-patients-with-clear-cell-renal-cell-carcinoma
#9
Haijian Zhang, Yidong Liu, Huyang Xie, Weisi Liu, Qiang Fu, Dengfu Yao, Jiejie Xu, Jianxin Gu
BACKGROUND: Mucin 5AC (MUC5AC), as a member of secreted/gel-forming mucin family, was frequently found to be abnormally expressed in inflammation or malignant diseases. However, the clinic pathologic features and prognostic values of MUC5AC in clear-cell renal cell carcinoma (ccRCC) have not been reported up to now. METHODS: MUC5AC expression was analyzed by immunohistochemistry on tissue microarrays. Kaplan-Meier survival curves, Univariate and Multivariate Cox analysis and newly-established nomogram model were performed to evaluate the prognostic value...
March 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416105/do-clear-cell-papillary-renal-cell-carcinomas-have-malignant-potential-diolombi-ml-cheng-l-argani-p-epstein-ji-am-j-surg-pathol-december-2015-39-12-1621-1634
#10
Oleksandr N Kryvenko
There have been no recurrences or metastases of clear cell papillary renal cell carcinoma (CCPRCC) in 268 reported cases with follow-up in the English-language literature. We identified all our cases of CCPRCC (1990-2013), reviewing all cases that preceded the formal designation of the entity. Immunohistochemical stains were performed on 32 cases during their initial workup. In addition, stains for carbonic anhydrase IX and cytokeratin 7 were performed on 2 cases, one with atypical follow-up and the other with a more compact morphology, although not performed initially...
June 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28411072/outcomes-of-patients-with-renal-cell-carcinoma-and-sarcomatoid-dedifferentiation-treated-with-nephrectomy-and-systemic-therapies-over-three-decades-comparison-between-the-cytokine-1987-2005-and-the-targeted-therapy-2006-2015-eras
#11
Sarp K Keskin, Pavlos Msaouel, Kenneth R Hess, Kai-Jie Yu, Surena F Matin, Kanishka Sircar, Pheroze Tamboli, Eric Jonasch, Christopher G Wood, Jose A Karam, Nizar M Tannir
PURPOSE: To study the overall survival and prognostic factors of patients with sarcomatoid renal cell carcinoma treated with nephrectomy and systemic therapy in the cytokine and targeted therapy eras. MATERIALS AND METHODS: This is a retrospective study of patients with sarcomatoid renal cell carcinoma who had nephrectomy and received systemic therapy at our center in the cytokine era (1987-2005) or the targeted therapy era (2006-2015). Multivariate regression models were used to determine the association of covariables with survival...
April 11, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28268170/cytoreductive-nephrectomy-for-renal-cell-carcinoma-patients-with-venous-tumor-thrombus
#12
E Jason Abel, Philippe E Spiess, Vitaly Margulis, Viraj A Master, Michael Mann, Kamran Zargar-Shoshtari, Leonardo D Borregales, Wade J Sexton, Datta Patil, Surena F Matin, Christopher G Wood, Jose A Karam
PURPOSE: Careful selection is critical to identify those with metastatic renal cell carcinoma who are most likely to benefit from cytoreductive nephrectomy. Surgery in patients who have metastatic renal cell carcinoma with tumor thrombus is complex and may not benefit some patients with poor overall survival. We evaluated whether preoperative variables or risk stratification systems could predict overall survival following cytoreductive nephrectomy. MATERIALS AND METHODS: Prognostic factors for overall survival after surgery were evaluated in patients who had metastatic renal cell carcinoma with venous tumor thrombus at 5 institutions from 2000 to 2014...
March 6, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28247362/metabolic-syndrome-negatively-impacts-the-outcome-of-localized-renal-cell-carcinoma
#13
Maximilian Christian Kriegmair, Philipp Mandel, Stefan Porubsky, Julia Dürr, Nina Huck, Philipp Nuhn, Daniel Pfalzgraf, Maurice Stephan Michel, Nina Wagener
The aim of this study was to analyze the impact of metabolic syndrome (MetS) on outcome of patients with localized renal cell carcinoma (RCC). A retrospective database was compiled consisting of 646 patients who underwent surgery for localized RCC between 2005 and 2014. A total of 439 patients were eligible for final analysis. For diagnosis of MetS, the WHO criteria of 1998 were used. Median follow-up was 32 months (ranging from 2 to 119). Kaplan-Meier and log-rank analyses were performed to compare patients with and without MetS or its components...
February 28, 2017: Hormones & Cancer
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
#14
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...
March 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28159492/multi-quadrant-biopsy-technique-improves-diagnostic-ability-in-large-heterogeneous-renal-masses-abel-ej-heckman-je-hinshaw-l-best-s-lubner-m-jarrard-df-downs-tm-nakada-sy-lee-ft-jr-huang-w-ziemlewicz-t-j-urol-2015-oct-194-4-886-91-epub-2015-mar-30-doi-10-1016
#15
Raman Jay, J E Heckman, L Hinshaw, S Best, M Lubner, D F Jarrard, T M Downs, S Y Nakada, F T Lee, W Huang, T Ziemlewicz
PURPOSE: Percutaneous biopsy obtained from a single location is prone to sampling error in large heterogeneous renal masses, leading to nondiagnostic results or failure to detect poor prognostic features. We evaluated the accuracy of percutaneous biopsy for large renal masses using a modified multi-quadrant technique vs. a standard biopsy technique. MATERIALS AND METHODS: Clinical and pathological data for all patients with cT2 or greater renal masses who underwent percutaneous biopsy from 2009 to 2014 were reviewed...
March 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28130179/clear-cell-papillary-renal-cell-carcinoma-new-clinical-and-imaging-characteristics
#16
Kai Wang, Jessica Zarzour, Soroush Rais-Bahrami, Jennifer Gordetsky
OBJECTIVE: To investigate clear cell papillary (CCP) renal cell carcinoma (RCC), an uncommon tumor of low malignant potential characterized by low-grade, clear cells, showing papillary and tubular architecture. This relatively newly described entity is still being characterized. We present our series of CCP RCC with new clinical and imaging findings. MATERIALS AND METHODS: We reviewed the clinical, pathologic, and imaging findings of 28 CCP RCCs in 21 patients identified from our institution between 2010 and 2016...
January 24, 2017: Urology
https://www.readbyqxmd.com/read/28121626/differential-expression-of-cd44-and-cd24-markers-discriminates-the-epitheliod-from-the-fibroblastoid-subset-in-a-sarcomatoid-renal-carcinoma-cell-line-evidence-suggesting-the-existence-of-cancer-stem-cells-in-both-subsets-as-studied-with-sorted-cells
#17
Chin-Hsuan Hsieh, Shih-Chieh Hsiung, Chi-Tai Yeh, Chih-Feng Yen, Yah-Huei Wu Chou, Wei-Yi Lei, See-Tong Pang, Cheng-Keng Chuang, Shuen-Kuei Liao
Epithelioid and fibroblastoid subsets coexist in the human sarcomatoid renal cell carcinoma (sRCC) cell line, RCC52, according to previous clonal studies. Herein, using monoclonal antibodies to CD44 and CD24 markers, we identified and isolated these two populations, and showed that CD44bright/CD24dim and CD44bright/CD24bright phenotypes correspond to epithelioid and fibroblastoid subsets, respectively. Both sorted subsets displayed different levels of tumorigenicity in xenotransplantation, indicating that each harbored its own cancer stem cells (CSCs)...
February 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28090262/rapidly-growing-right-ventricular-outflow-tract-mass-in-patient-with-sarcomatoid-renal-cell-carcinoma
#18
Jongmin Hwang, Yong Hyun Park, Kyung Un Choi, Jeong Su Kim, Ki Won Hwang, Sang Hyun Lee, Min Ku Chon, Soo Yong Lee, Dae Sung Lee
Cardiac metastasis from renal cell carcinoma (RCC) without inferior vena cava (IVC) involvements is extremely rare with few reported cases. Sarcomatoid RCC with rhabdoid feature is a rare pathologic type of RCC having aggressive behavior due to great metastatic potential. Here, we report a case of rapidly growing cardiac metastasis of RCC which brought on right ventricular outflow tract (RVOT) obstruction without IVC and right atrial involvement in a 61-year-old woman. Cardiac arrest occurred during radical nephrectomy and echocardiography revealed mass nearly obstructing the RVOT which was not recognized by preoperative echocardiography 1 month ago...
December 2016: Journal of Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28063846/systematic-expression-analysis-of-mitochondrial-complex-i-identifies-ndufs1-as-a-biomarker-in-clear-cell-renal-cell-carcinoma
#19
Jörg Ellinger, Mirjam Poss, Maria Brüggemann, Arabella Gromes, Doris Schmidt, Nadja Ellinger, Yuri Tolkach, Dimo Dietrich, Glen Kristiansen, Stefan C Müller
INTRODUCTION: Mitochondrial dysfunction is common in cancer, and the mitochondrial electron transport chain is often affected in carcinogenesis. So far, little is known about the expression of the mitochondrial complex I (NADH:ubiquinone oxidoreductase) subunits in clear-cell renal-cell carcinoma (ccRCC). MATERIALS AND METHODS: An expression profile of the mitochondrial complex I subunits was determined using the NextBio database. Subsequently, the expression of selected subunits was experimentally validated on mRNA (quantitative real-time polymerase chain reaction) and protein (Western blot analysis, immunohistochemistry) level...
December 1, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/27931799/oncocytic-papillary-renal-cell-carcinoma-a-clinicopathological-and-genetic-analysis-and-indolent-clinical-course-in-14-cases
#20
Guiyan Han, Wenjuan Yu, Jing Chu, Yan Liu, Yanxia Jiang, Yujun Li, Wei Zhang
A sort of PRCC with distinct eosinophilic cytoplasm named Oncocytic Papillary Renal Cell Carcinoma (OPRCC) has been increasingly attracting the attention of researchers recently. However, owing to the rarity of OPRCC, the clinicopathological and genetic features of the tumor have still not been well elucidated and whether it should be regarded as an independent subtype of PRCC remains controversial. Herein, a cohort of 14 OPRCCs was studied with the aim of revealing the distinct clinicopathological features, facilitating the classification and correct diagnosis of OPRCC...
January 2017: Pathology, Research and Practice
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