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https://www.readbyqxmd.com/read/28631740/radiotherapy-for-renal-cell-carcinoma-renaissance-of-an-overlooked-approach
#1
REVIEW
Shankar Siva, Gargi Kothari, Alexander Muacevic, Alexander V Louie, Ben J Slotman, Bin S Teh, Simon S Lo
Conventional radiotherapy previously had a limited role in the definitive treatment of renal cell carcinoma (RCC), owing to the disappointing outcomes of several trials and the perceived radioresistance of this type of cancer. In this context, radiotherapy has been relegated largely to the palliation of symptoms in patients with metastatic disease, with variable rates of response. Following the availability of newer technologies that enable safe delivery of high-dose radiotherapy, stereotactic ablative radiotherapy (SABR) has become increasingly used in patients with RCC...
June 20, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28631081/diffusion-weighted-imaging-versus-contrast-enhanced-mr-imaging-for-the-differentiation-of-renal-oncocytomas-and-chromophobe-renal-cell-carcinomas
#2
Yan Zhong, Haiyi Wang, Yanguang Shen, Aitao Guo, Jia Wang, Suhai Kang, Lu Ma, Jingjing Pan, Huiyi Ye
OBJECTIVES: To compare the performance of diffusion-weighted imaging (DWI) with that of contrast-enhanced MRI in differentiating renal oncocytomas from chromophobe renal cell carcinomas (RCCs). METHODS: We recruited 48 patients with histopathologically confirmed renal oncocytomas (n=16) and chromophobe RCCs (n=32). All patients underwent preoperative DWI and contrast-enhanced MRI. Apparent diffusion coefficient (ADC) and signal intensity were measured in each patient...
June 19, 2017: European Radiology
https://www.readbyqxmd.com/read/28624829/preoperative-c-reactive-protein-values-as-a-potential-component-in-outcome-prediction-models-of-metastasized-renal-cell-carcinoma-patients-receiving-cytoreductive-nephrectomy
#3
Charis Kalogirou, Philipp Mulfinger, Ioannis Sokolakis, Markus Krebs, Hubert Kübler, Hubertus Riedmiller, Daniel Vergho
PURPOSE: To validate preoperative C-reactive protein (CRP) levels as a prognostic marker for survival in a metastasized renal cell carcinoma (mRCC) patient cohort receiving cytoreductive nephrectomy (CN). PATIENTS AND METHODS: By chart review, 146 mRCC patients receiving CN at our tertiary referral centre from 1997 to 2015 were identified retrospectively. All relevant clinicopathological features including laboratory parameters were collected and correlated to overall survival, progression-free survival and cancer-specific survival (CSS)...
June 17, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28623191/renal-capillary-haemangioma-associated-with-renal-cell-carcinoma-and-polycythaemia-in-acquired-cystic-disease
#4
Matthew Beamer, Matthew Love, Seyed Ghasemian
Capillary haemangiomas are relatively common tumours, typically occurring in the subcutaneous tissue during childhood. However, visceral occurrence is very rare. These tumours make up a subset of vascular lesions that have previously, although rarely, been described in case reports in association with the kidney. Here we review the literature and describe a capillary haemangioma occurring in the renal hilum found to be coexistent with end-stage renal disease, renal cell carcinoma and polycythaemia. To our knowledge, this is the first case report to describe the occurrence of this tumour in the renal hilum in association with this constitution of renal pathologies...
June 16, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28617974/high-expression-of-heat-shock-proteins-and-heat-shock-factor-1-distinguishes-an-aggressive-subset-of-clear-cell-renal-cell-carcinoma
#5
Pao-Shu Wu, Yen-Hwa Chang, Chin-Chen Pan
AIMS: Heat shock proteins (HSPs) are a group of molecules induced by a variety of environmental and pathophysiologic stresses, including cancer. HSPs are implicated in the regulation of apoptosis and immunity in neoplasm. Transcription factor heat shock factor1 (HSF1) acts as the master regulator to control HSP expression, and therefore is involved in tumorigenesis. The purpose of this study was to evaluate the expression and clinicopathologic relevance of HSPs and HSF1 in clear cell renal cell carcinoma (ccRCC)...
June 15, 2017: Histopathology
https://www.readbyqxmd.com/read/28614852/-immunotherapy-in-urothelial-carcinoma-from-a-pathologist-s-perspective
#6
Franziska Erlmeier, Sandra Steffens, Arndt Hartmann
Immunotherapy with programmed cell death protein-1 (PD-1) antibodies (pembrolizumab and nivolumab) has been approved in Europe for the first-line treatment of several tumour entities, e. g. malignant melanoma. Following the resounding therapeutic success of these antibodies in different types of tumours, their potential in urological tumours has been investigated in several studies. The approval of the PD-1 antibody nivolumab for the treatment of metastasised renal cell carcinoma has set a new milestone in urooncology...
June 14, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28611168/rapid-development-and-recurrence-of-translocation-renal-cell-carcinoma
#7
Ned Kinnear, Sam Wreghitt, Derek Barry Hennessey, Peter Liodakis
Translocation renal cell carcinoma (RCC) is a rare aggressive malignancy in adults. A 40-year-old man presented with painless macroscopic haematuria. Initial investigations of renal ultrasound, CT scan, urine culture and urine cytology were normal. On rigid cystoscopy and pyelo-ureteroscopy, bleeding was seen from a normal-appearing right renal upper pole. An arteriovenous malformation was suspected, and laser cautery was performed. Left renal biopsy was performed due to proteinuria and suggested IgA nephropathy...
June 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28611143/retroperitoneal-haemangiopericytoma
#8
Mustafa Resorlu, Canan Akgun Toprak, Muhsin Ozgun Ozturk, Muhammet Arslan
A 55-year-old woman, diagnosed with a renal mass by abdominal ultrasonography (USG) in an external medical centre, presented to our hospital. The medical history was unremarkable except for diabetes mellitus and hypertension. The haemogram and urine tests were normal. The only pathology revealed in routine biochemistry tests was increased glucose level (164 mg/dL). The repeat USG performed in our hospital revealed a solid hypoechoic mass lesion approximately 4 cm in diameter closely adjacent to the right kidney...
June 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28598954/role-of-the-sympathetic-nervous-system-in-regulation-of-the-sodium-glucose-cotransporter-2
#9
Vance B Matthews, Rosemary H Elliot, Caroline Rudnicka, Jana Hricova, Lakshini Herat, Markus P Schlaich
BACKGROUND: The sympathetic nervous system (SNS) regulates glucose metabolism in various organs including the kidneys. The sodium glucose cotransporter 2 (SGLT2) mediates glucose reabsorption in renal proximal tubules and its inhibition has been shown to improve glucose control, cardiovascular and renal outcomes. We hypothesized that SNS-induced alterations of glucose metabolism may be mediated via regulation of SGLT2. METHOD: We used human renal proximal tubule cells to investigate the effects of noradrenaline on SGLT2 regulation...
June 8, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28593993/myc-activation-cooperates-with-vhl-and-ink4a-arf-loss-to-induce-clear-cell-renal-cell-carcinoma
#10
Sean T Bailey, Aleisha M Smith, Jordan Kardos, Sara E Wobker, Harper L Wilson, Bhavani Krishnan, Ryoichi Saito, Hyo Jin Lee, Jing Zhang, Samuel C Eaton, Lindsay A Williams, Ujjawal Manocha, Dorien J Peters, Xinchao Pan, Thomas J Carroll, Dean W Felsher, Vonn Walter, Qing Zhang, Joel S Parker, Jen Jen Yeh, Richard A Moffitt, Janet Y Leung, William Y Kim
Renal carcinoma is a common and aggressive malignancy whose histopathogenesis is incompletely understood and that is largely resistant to cytotoxic chemotherapy. We present two mouse models of kidney cancer that recapitulate the genomic alterations found in human papillary (pRCC) and clear cell RCC (ccRCC), the most common RCC subtypes. MYC activation results in highly penetrant pRCC tumours (MYC), while MYC activation, when combined with Vhl and Cdkn2a (Ink4a/Arf) deletion (VIM), produce kidney tumours that approximate human ccRCC...
June 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/28593860/evolving-adoptive-cellular-therapies-in-urological-malignancies
#11
REVIEW
Yien Ning Sophia Wong, Kroopa Joshi, Martin Pule, Karl S Peggs, Charles Swanton, Sergio A Quezada, Mark Linch
Immunotherapies have long been used to treat urological cancers but rarely lead to cure. In the past 5 years, success of immune checkpoint inhibition has led to a resurgence of enthusiasm for immunotherapy in the treatment of solid tumours. Increased understanding of tumour immune biology, technological advancements of gene transfer and cell culture, and improved clinical infrastructures for routine delivery of cell products, has made cell-based immunotherapeutics a real prospect for cancer therapy. These scientific and clinical activities, attempting to exploit the innate and adaptive immune systems for therapeutic gain, are well exemplified by the urological malignancies of renal, bladder, prostate, and penile cancer, a group of anatomically localised diseases, each with a distinct biology and different immunotherapeutic challenges...
June 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28591714/the-metastasis-suppressor-cd82-kai1-regulates-cell-migration-and-invasion-via-inhibiting-tgf-%C3%AE-1-smad-signaling-in-renal-cell-carcinoma
#12
Jundong Zhu, Chao Liang, Yibo Hua, Chenkui Miao, Jianzhong Zhang, Aiming Xu, Kai Zhao, Shouyong Liu, Ye Tian, Huiyu Dong, Chao Zhang, Pu Li, Shifeng Su, Chao Qin, Zengjun Wang
The tetraspanin KAI1/CD82 was identified as a tumor metastasis suppressor that downregulated in various malignant cell types. However, the function of CD82 and its underlying anti-metastasis role in renal cell carcinoma (RCC) is still unraveled. Here, we investigated the expression of CD82 in RCC and explored its regulatory mechanism in RCC cell lines. We found that CD82 was down-regulated in RCC tissues and cells and its expression was significantly associated with histological grade(p=0.041), tumour stage (p=0...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28588649/late-recurrence-of-colorectal-adenocarcinoma-as-a-renal-tumour-by-direct-spread-via-the-ureter
#13
Désirée Louise Dräger, Chris Protzel, Andreas Erbersdobler, Oliver Hakenberg
No abstract text is available yet for this article.
October 2017: Therapeutic Advances in Urology
https://www.readbyqxmd.com/read/28582447/action-of-ym155-on-clear-cell-renal-cell-carcinoma-does-not-depend-on-survivin-expression-levels
#14
Mei Yi Sim, Hung Huynh, Mei Lin Go, John Shyi Peng Yuen
The dioxonapthoimidazolium YM155 is a survivin suppressant which has been investigated as an anticancer agent in clinical trials. Here, we investigated its growth inhibitory properties on a panel of immortalized and patient derived renal cell carcinoma (RCC) cell lines which were either deficient in the tumour suppressor von Hippel-Lindau (VHL) protein or possessed a functional copy. Neither the VHL status nor the survivin expression levels of these cell lines influenced their susceptibility to growth inhibition by YM155...
2017: PloS One
https://www.readbyqxmd.com/read/28580041/imaging-diagnosis-of-a-rare-presacral-tumour
#15
Hemal Grover, Amrit Pal Ahluwalia, Sanjay Sethi
BACKGROUND: Primary tumors in the presacral (retrorectal) space are extremely rare in adults, with an estimated incidence of 0.0025 to 0.014 in large referral centers. Congenital varieties are most common and comprise two thirds of these tumors. Primary retroperitoneal sarcomas in the pelvic region are extremely rare. We report the ultrasound and the corresponding Computed Tomography (CT) features of a rare presacral fibrosarcoma in an adult woman, in whom the diagnosis was confirmed by a CT-guided biopsy...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28578690/evaluation-of-treatment-response-and-resistance-in-metastatic-renal-cell-cancer-mrcc-using-integrated-18-f-fluorodeoxyglucose-18-f-fdg-positron-emission-tomography-magnetic-resonance-imaging-pet-mri-the-remap-study
#16
Christian Kelly-Morland, Sarah Rudman, Paul Nathan, Susan Mallett, Giovanni Montana, Gary Cook, Vicky Goh
BACKGROUND: Tyrosine kinase inhibitors are the first line standard of care for treatment of metastatic renal cell carcinoma (RCC). Accurate response assessment in the setting of antiangiogenic therapies remains suboptimal as standard size-related response criteria do not necessarily accurately reflect clinical benefit, as they may be less pronounced or occur later in therapy than devascularisation. The challenge for imaging is providing timely assessment of disease status allowing therapies to be tailored to ensure ongoing clinical benefit...
June 2, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28577732/-prospective-how-will-renal-prostatic-and-urothelial-tumours-be-treated-in-10%C3%A2-years
#17
REVIEW
Alain Toledano, Mayada Bourmech, Hanah Lamallem, Marc Bollet, Olivier Bauduceau, Pascal Pujol, Patrick Bloch, David Khayat
Forward thinking does not seek to predict the future, to unveil it as if it were already in existence, rather, its aim is to help us to construct it. Although today's epidemiological and therapeutic situations for urogenital tumours can evolve over the next 10 years, diagnostic and therapeutic methods, as well as the treatment and implementation of innovations, are already rapidly changing. Rather than reducing our prospective thinking to the therapeutic treatment of cancer only, we will aim at proposing a global sanitary vision that includes diagnosis, therapies, prevention, routine utilisation of technomedicine, genomics and even nanomedicine...
April 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/28571155/metastatic-renal-cell-carcinoma-causing-small-intestinal-polyps-with-intussusception-a-report-of-two-cases
#18
M Vani, Ajit Nambiar, K Geetha, Byju Kundil
Renal cell carcinomas have diverse clinical presentations. Patients may present with metastatic symptoms at the time of diagnosis or years after resection of primary tumour. Small intestine is a rare site for metastatic renal cell carcinoma. Presentation as polypoid metastasis with intussusception is extremely rare. Here, we report two cases with this rare presentation. Case 1 was a 65-year-old male with multiple polypoid metastasis causing intussusception while on palliative chemotherapy for renal cell carcinoma...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28571151/leiomyosarcoma-of-renal-vein-a-rare-case-report
#19
Sandeep Ojha, Ramarao Nilkanthe, Jyoti Valecha, Farah Meenai, Amit Haritwal
Leiomyosarcomas (LMS) arising from vascular channel are rare and more often arise from inferior vena cava and pulmonary arteries. Primary renal vein LMS are even rarer and occur predominantly in females with peak in fifth and sixth decade. Preoperative diagnosis is difficult because these are rare tumours and present with symptoms and radiological findings similar to Renal Cell Carcinoma (RCC). We report a case of 55-year-old female who presented with abdominal discomfort with radiology showing a renal mass with features of RCC, radical nephrectomy was done and resected tumour showed an attachment to the wall of renal vein with morphology resembling LMS...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28567186/critical-evaluation-of-contemporary-management-in-a-new-pelvic-exenteration-unit-the-first-25-consecutive-cases
#20
Min Hoe Chew, Yu-Ting Yeh, Ee-Lin Toh, Stephen Aditya Sumarli, Ghee Kheng Chew, Lui Shiong Lee, Mann Hong Tan, Tiffany Priyanthi Hennedige, Shin Yi Ng, Say Kiat Lee, Tze Tec Chong, Hairil Rizal Abdullah, Terence Lin Hon Goh, Mohamed Zulfikar Rasheed, Kok Chai Tan, Choong Leong Tang
AIM: To critically appraise short-term outcomes in patients treated in a new Pelvic Exenteration (PE) Unit. METHODS: This retrospective observational study was conducted by analysing prospectively collected data for the first 25 patients (16 males, 9 females) who underwent PE for advanced pelvic tumours in our PE Unit between January 2012 and October 2016. Data evaluated included age, co-morbidities, American Society of Anesthesiologists (ASA) score, Eastern Cooperative Oncology Group (ECOG) status, preoperative adjuvant treatment, intra-operative blood loss, procedural duration, perioperative adverse event, lengths of intensive care unit (ICU) stay and hospital stay, and oncological outcome...
May 15, 2017: World Journal of Gastrointestinal Oncology
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