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https://www.readbyqxmd.com/read/28828638/fat-poor-angiomyolipoma-differentiation-from-renal-cell-carcinoma-at-320-slice-dynamic-volume-ct-perfusion
#1
Chao Chen, Qinqin Kang, Bing Xu, Zhang Shi, Hairuo Guo, Qiang Wei, Yayun Lu, Xinhuai Wu
PURPOSE: To compare various CT perfusion features of fat poor angiomyolipoma (AML) with those of size-matched renal cell carcinoma (RCC). METHODS: One hundred and seventy-four patients [16 with fat poor AML (mean diameter, 3.1 cm; range, 1.5-5.5 cm) and 158 with RCC (mean diameter, 3.2 cm; range, 2.4-5.4 cm)] who had undergone 320-slice dynamic volume CT perfusion were evaluated. Equivalent blood volume (BV Equiv), permeability surface-area product (PS), and blood flow (BF) of tumor were measured and analyzed...
August 21, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28828170/hcv-infected-renal-transplant-recipients-our-experience-before-the-availability-of-new-antiviral-drugs
#2
A R Fernandes, I J Laranjinha, R Birne, P Matias, C Jorge, T Adragão, M Bruges, A Weigert, D Machado
BACKGROUND: Natural history of HCV-infected renal transplant recipients is about to change with the invention of new drugs available for the treatment of HCV. OBJECTIVE: To analyze the evolution of renal transplant recipients infected with HCV in 30 years of activity of a Renal Transplantation Unit. METHODS: We studied 1334 patients who underwent renal transplantation between 1985 and 2015. RESULTS: 189 (14.2%) of these 1334 were found HCV seropositive...
2017: International Journal of Organ Transplantation Medicine
https://www.readbyqxmd.com/read/28827316/rnf20-suppresses-tumorigenesis-by-inhibiting-srebp1c-pttg1-axis-in-kidney-cancer
#3
Jae Ho Lee, Yong Geun Jeon, Kyoung-Hwa Lee, Hye Won Lee, Jeu Park, Hagoon Jang, Minyong Kang, Hye Sun Lee, Hee Jin Cho, Do-Hyun Nam, Cheol Kwak, Jae Bum Kim
Elevated lipid metabolism promotes cancer cell proliferation. Clear cell renal cell carcinoma (ccRCC) is the most common subtype of kidney cancers, characterized by ectopic lipid accumulation. However, the relationship between aberrant lipid metabolism and tumorigenesis in ccRCC is not thoroughly understood. Here, we demonstrate that ring finger protein 20 (RNF20) acts as a tumor suppressor in ccRCC. RNF20 overexpression repressed lipogenesis and cell proliferation by inhibiting sterol regulatory element-binding protein 1c (SREBP1c), and SREBP1 suppression by either knockdown or the pharmacological inhibitor betulin attenuated proliferation and cell cycle progression in ccRCC cells...
August 21, 2017: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28827104/comprehensive-evaluation-of-prostate-specific-membrane-antigen-expression-in-the-vasculature-of-renal-tumors-implications-for-imaging-studies-and-prognostic-role
#4
Sophia Spatz, Yuri Tolkach, Klaus Jung, Carsten Stephan, Jonas Busch, Bernhard Ralla, Anja Rabien, Georg Feldmann, Peter Brossart, Ralph A Bundschuh, Hojjat Ahmadzadehfar, Markus Essler, Marieta Toma, Stefan C Müller, Jörg Ellinger, Stefan Hauser, Glen Kristiansen
PURPOSE: Prostate-specific membrane antigen (PSMA) is expressed by endothelium of many tumors. The aim of the study was to find a rationale for PSMA-based imaging and to investigate the prognostic role of vascular PSMA expression in patients with renal cell carcinoma (RCC). MATERIALS AND METHODS: Two-hundred fifty seven patients with RCC were included with a median follow-up exceeding 10.0 years. PSMA expression on the tumor vessels was detected by immunohistochemistry...
August 18, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28826700/simple-tumor-enucleation-may-not-decrease-oncologic-outcomes-for-t1-renal-cell-carcinoma-a-systematic-review-and-meta-analysis
#5
De-Hong Cao, Liang-Ren Liu, Yu Fang, Ping Tang, Tao Li, YunJin Bai, Jia Wang, Qiang Wei
OBJECTIVE: To evaluate the clinical efficacy and safety of simple tumor enucleation (TE) for clinical T1 renal cell carcinoma. MATERIALS AND METHODS: A systematic search of PubMed, EMBASE, and Cochrane Central Register of Controlled Trials databases was performed to identify all trials that compared TE and traditional partial nephrectomy (PN) for patients with clinical T1 renal cell carcinoma. RESULTS: A total of 7 studies involving 3,218 patients were identified and included in this meta-analysis...
August 17, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28822585/time-to-focus-on-the-rare-encouraging-progress-in-the-management-of-non-clear-cell-renal-cell-carcinoma
#6
EDITORIAL
Archie Fernando
No abstract text is available yet for this article.
August 16, 2017: European Urology
https://www.readbyqxmd.com/read/28819833/-lymphocytic-myocarditis-in-a%C3%A2-patient-with-metastatic-clear-cell-renal-cell-carcinoma-treated-with-nivolumab
#7
R Sauer, P Kiewe, M Desole, M Schuler, F Theissig, A Roth, T Mairinger
Immune checkpoint inhibitors against the PD-1 protein offer a new therapy option for many solid cancers. We report a patient with metastatic renal cell cancer treated with Nivolumab. As a rare immune-mediated adverse event, we describe a fatal lymphocytic myocarditis two weeks after starting immune therapy. The cause of death was first diagnosed at autopsy. This case report underlines the importance and need of clinical autopsies as an instrument of quality assurance and detection of rare therapy-induced adverse effects...
August 17, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28819766/-german-s3-guideline-for-renal-cell-carcinoma-presentation-and-discussion-of-essential-aspects-for-the-radiation-oncologist
#8
REVIEW
Arndt-Christian Müller, Birgitt van Oorschot, Oliver Micke, Matthias Guckenberger
PURPOSE: We aim to introduce and discuss the statements and recommendations of the German S3 guideline on renal cell cancer for daily practice of radiation oncologists. METHODS: This report comprises indication, treatment decision, dose prescription and current literature including treatment of oligometastatic disease. RESULTS: According to different stages of the disease and the structure of the guideline we focus on five treatment situations and recommendations for decision making: (1) Neo-/adjuvant treatment before or after nephrectomy: No indication for radiotherapy...
August 17, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28819506/-parathyroid-carcinoma-about-a-case-and-review-of-the-literature
#9
Naourez Kolsi, Sondos Jellali, Jamel Koubaa
Parathyroid carcinoma is a very rare malignant tumor of the parathyroid gland. Clinically, this cancer is characterized by the presence of severe primary hyperparathyroidism. Diagnosis is based on histological examination but is not always easy. Surgery is the treatment of choice. We report the case of a 59-year old woman with a personal history of arterial hypertension and of recurrent renal lithiasis, presenting with diffuse bone pain associated with asthenia. Neck examination showed hard basi-cervical swelling with nonpalpable lower edge...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28819401/identification-and-validation-of-soluble-carrier-family-expression-signature-for-predicting-poor-outcome-of-renal-cell-carcinoma
#10
Wan Fangning, Ma Chunguang, Zhang Hailiang, Shi Guohai, Zhu Yao, Dai Bo, Shen Yijun, Zhu Yiping, Ye Dingwei
The soluble carrier (SLC) family plays an important role in cell metabolism. The purpose of the current study was to screen SLCs as potential prognostic factors in clear cell renal cell carcinoma (ccRCC). A total of 509 patients with ccRCC from The Cancer Genome Atlas (TCGA) cohort were enrolled in this study. The expression profile of SLCs was obtained from the TCGA RNAseq database. Metadata of the TCGA cohort, including age, sex, TNM stage, tumor grade, American Joint Committee on Cancer stage, laterality, and overall survival, were collected...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819235/expression-of-long-non-coding-rna-mfi2-as1-is-a-strong-predictor-of-recurrence-in-sporadic-localized-clear-cell-renal-cell-carcinoma
#11
Ronan Flippot, Roger Mouawad, Jean-Philippe Spano, Morgan Rouprêt, Eva Compérat, Marc-Olivier Bitker, Jérôme Parra, Christophe Vaessen, Frederick Allanic, Quentin Manach, Nizar M Tannir, David Khayat, Xiaoping Su, Gabriel G Malouf
Prediction of recurrence is a challenge for the development of adjuvant treatments in clear-cell renal cell carcinoma (ccRCC). In these tumors, expression of long non-coding RNAs (lncRNAs) are deregulated and closely associated with prognosis. Thus, we aimed to predict ccRCC recurrence risk using lncRNA expression. We identified prognostic lncRNAs in a training set of 351 localized ccRCCs from The Cancer Genome Atlas and validated lncRNA-based recurrence classification in an independent cohort of 167 localized ccRCCs...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819017/adrenocortical-carcinoma-and-succinate-dehydrogenase-gene-mutations
#12
Tobias Else, Antonio Marcondes Lerario, Jessica Everett, Lori Haymon, Deborah Wham, Michael Mullane, Tremika LeShan Wilson, Irene Rainville, Huma Rana, Andrew J Worth, Nathaniel W Snyder, Ian A Blair, Rana McKay, Kerry Kilbridge, Gary D Hammer, Justine Barletta, Anand Vaiyda
OBJECTIVE: Germline loss-of-function mutations in succinate dehydrogenase (SDHx) genes results in rare tumor syndromes that include pheochromocytoma, paraganglioma, and others. Here we report a case series of patients with adrenocortical carcinoma (ACC) that harbor SDHx germline mutations. PATIENTS AND RESULTS: We report four unrelated patients with ACC and SDHx mutations. All cases presented with Cushing syndrome and large adrenal masses that were confirmed to be ACC on pathology...
August 17, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28818550/perinephric-and-sinus-fat-invasion-in-stage-pt3a-tumors-managed-by-partial-nephrectomy
#13
Pascal Mouracade, Julien Dagenais, Jaya Sai Chavali, Onder Kara, Ryan J Nelson, Matthew J Maurice, Jeremy Reese, Brian I Rini, Jihad H Kaouk
INTRODUCTION: We evaluated the influence of perinephric fat invasion (PFI) compared with sinus fat invasion (SFI) on disease-free survival (DFS) and cancer-specific survival (CSS) after partial nephrectomy (PN) for stage pT3a renal cell carcinoma (RCC). MATERIALS AND METHODS: Data were recorded from the consecutive records of patients who had undergone underwent PN for cT1-T2 RCC from 2007 to 2016. Of these patients, 143 had stage pT3a with SFI or PFI found on final pathologic examination...
July 26, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28816299/-application-of-intraoperative-cell-salvage-combined-with-leukocyte-depletion-filter-on-radical-nephrectomy-for-renal-carcinoma-with-inferior-vena-cava-tumor-thrombus-2-case-reports
#14
H Zeng, X Y Rong, X Q Zhang, X Y Guo
Intraoperative cell salvage (IOCS) has been widely used to reduce allogeneic blood transfusion and prevent blood transfusion related complications during surgery. However, due to the risk of transfusion related reaction, contamination, and immunological reaction, its use for tumor patients has been controversial and limited. To explore the feasibility of the application of IOCS in cancer patients, we reported 2 cases of renal cell carcinoma (RCC) with tumor embolism in IVC that underwent radical nephrectomy,and inferior caval venous thrombectomy receiving IOCS combined with leukocyte depletion filter (LDF) from August 2016 to November 2016 in our hospital...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816298/-multiple-endoscopy-for-the-treatment-of-upper-urinary-tract-calculi-following-ileal-conduit-a-case-report-and-literature-review
#15
B Wang, J F Ye, L Zhao, H Bi, J Lu, L L Ma
Upper urinary tract calculi with infection is a quite difficult acute urologic emergency. And what is more, upper urinary tract obstruction after radical cystectomy following urinary diversion may be fatal in the vulnerable patients with this kind of situation. Postoperative anatomy and other factors affect the upper urinary tract calculi, and urinary tract infection greatly increased the risk. But it is particularly difficult to handle with patients with poor general condition and septic shock treatment, so how to optimize the selection program is worth further studying...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816279/-ureteroscope-can-assist-risk-stratification-in-upper-tract-urothelial-carcinoma
#16
R Z Ma, M Qiu, W He, B Yang, H Z Xia, D Zou, M Lu, L L Ma, J Lu
OBJECTIVE: To analyze the efficiency of ureteroscope and biopsy in the diagnosis of tumor grade, muscle-invasiveness and multifocality in suspected upper tract urinary carcinoma (UTUC) patients in order to find out whether it can be used in the risk stratification of UTUC patients. METHODS: A retrospective study of 76 UTUC patients who underwent preoperative ureteroscope and/or biopsy and received radical nephroureterectomy in Peking University Third Hospital during January 2014 to December 2016 was undertaken...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816276/-percutaneous-biopsy-of-the-renal-masses-under-ultrasound-a-single-center-14-years-experience
#17
Y X Zhang, X B Meng, L Yao, C J Zhang, G Song, L Cai, Z Zhang, X S Li, K Gong, S Q Li, G Z Shan, Q He, X Y Yang, Z S He, L Q Zhou
OBJECTIVE: To assess the diagnostic rate, safety and clinical application of percutaneous renal masses biopsy for advanced renal cell carcinoma patients. METHODS: In this retrospective study, we collected the data of renal masses from the patients who underwent renal masses biopsy under ultrasound from April 2001 to December 2014 in Peking University First Hospital. A total of 75 patients who were undiagnosed or diagnosed with advanced renal cell carcinoma by the imageological method were enrolled in this study...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816272/-radical-nephrectomy-and-thrombectomy-for-mayo-clinic-stage-iii-tumor-thrombus-a-surgical-technique-and-clinical-experience
#18
Z Liu, L L Ma, X J Tian, G L Wang, X F Hou, S D Zhang, S H Deng
OBJECTIVE: To evaluate the effectiveness and safety of radical nephrectomy and inferior vena cava thrombectomy in the treatment of patients with Mayo III tumor thrombus, and to introduce our experience and surgical technique. METHODS: The clinical data of 8 patients with Mayo III tumor thrombus from October 2014 to September 2016 were analyzed retrospectively. Of the 8 patients, 3 were male and 5 were female. The average age was (50.8±18.7) years (18 to 77 years)...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816270/-clinical-value-of-fluorescence-in-situ-hybridization-positive-of-exfoliated-urothelial-cells-in-urothelial-carcinoma
#19
J Y Liu, X Peng, X H Ning, T Li, S H Peng, J Y Wang, S J Liu, Y Ding, L Cai, K Gong
OBJECTIVE: To analyze the clinical pathologic characteristics of cases with fluorescence in situ hybridization (FISH) positive of exfoliated urothelial cells, so as to evaluate the clinical utility of FISH in the diagnosis of urothelial carcinoma (UC). METHODS: A total of 271 cases of FISH positive in Department of Urology of Peking University First Hospital from Apr. 2012 to Sep. 2015 were recruited in this study. Retrospective analysis was made on their clinical data...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816141/combined-radiation-therapy-and-immune-checkpoint-blockade-therapy-for-breast-cancer
#20
REVIEW
Zishuo I Hu, Alice Y Ho, Heather L McArthur
PURPOSE: Treatment with checkpoint inhibitors has shown durable responses in a number of solid tumors, including melanoma, lung, and renal cell carcinoma. However, most breast cancers are resistant to monotherapy with checkpoint inhibitors. Radiation therapy (RT) has been shown to have a number of immunostimulatory effects, including priming the immune system, recruiting immune cells to the tumor environment, and altering the immunosuppressive effects of the tumor microenvironment. RT therefore represents a promising adjuvant therapy to checkpoint blockade in breast cancer...
September 1, 2017: International Journal of Radiation Oncology, Biology, Physics
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