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https://www.readbyqxmd.com/read/29343995/humanmethylation450k-array-identified-biomarkers-predict-tumour-recurrence-progression-at-initial-diagnosis-of-high-risk-non-muscle-invasive-bladder-cancer
#1
Mark O Kitchen, Richard T Bryan, Richard D Emes, Christopher J Luscombe, K K Cheng, Maurice P Zeegers, Nicholas D James, Lyndon M Gommersall, Anthony A Fryer
Background: High-risk non-muscle invasive bladder cancer (HR-NMIBC) is a clinically unpredictable disease. Despite clinical risk estimation tools, many patients are undertreated with intra-vesical therapies alone, whereas others may be over-treated with early radical surgery. Molecular biomarkers, particularly DNA methylation, have been reported as predictive of tumour/patient outcomes in numerous solid organ and haematologic malignancies; however, there are few reports in HR-NMIBC and none using genome-wide array assessment...
2018: Biomarkers in Cancer
https://www.readbyqxmd.com/read/29323757/differentiation-associated-urothelial-cytochrome-p450-oxidoreductase-predicates-the-xenobiotic-metabolising-activity-of-luminal-muscle-invasive-bladder-cancers
#2
Simon C Baker, Volker M Arlt, Radek Indra, Madeleine Joel, Marie Stiborova, Ian Eardley, Niaz Ahmad, Wolfgang Otto, Maximilian Burger, Peter Rubenwolf, David H Phillips, Jennifer Southgate
Extra-hepatic metabolism of xenobiotics by epithelial tissues has evolved as a self-defence mechanism but has potential to contribute to the local activation of carcinogens. Bladder epithelium (urothelium) is bathed in excreted urinary toxicants and pro-carcinogens. This study reveals how differentiation affects cytochrome P450 (CYP) activity and the role of NADPH:P450 oxidoreductase (POR). CYP1A1 and CYP1B1 transcripts were inducible in normal human urothelial (NHU) cells maintained in both undifferentiated and functional barrier-forming differentiated states in vitro...
January 11, 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29323081/primary-signet-cell-adenocarcinoma-of-bladder
#3
Prateek Kinra, S P Rashmi, Aftab Alam, Harkirat Singh, S C Dash
Primary signet cell cancer of the urinary bladder is a relatively rare entity. Since there is no mucinous epithelium in the bladder, It is proposed that the tumor arises from metaplastic urothelium. Two thirds of the tumours are mucin secreting, in most of which the site of the deposition is either extracellular or intracellular displacing the nucleus to a peripheral crescent, giving the cells a signet ring appearance. The tumours are most often infiltrative and diffusely involving the majority of the bladder akin to its name sake in stomach...
October 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29313248/functional-outcomes-with-handsewn-versus-stapled-anastomoses-in-the-treatment-of-ultralow-rectal-cancer
#4
Lisa Ramage, Paul Mclean, Constantinos Simillis, Shengyang Qiu, Christos Kontovounisios, Emile Tan, Paris Tekkis
Adequate oncological outcomes have been demonstrated with rectal resection and handsewn coloanal anastomosis (CAA) in tumours in close proximity to the internal anal sphincter. Our aim was to assess functional differences between handsewn CAA and ultralow stapled anastomosis. Participants were identified from a single-surgeon series. Included participants underwent anorectal physiology testing of anal sphincter function, in addition to completion of several questionnaires: Wexner Incontinence Score (WIS); Birmingham Bowel, Bladder and Urinary Symptom Questionnaire (BBUSQ); Low Anterior Resection Syndrome (LARS) Score; SF36...
January 8, 2018: Updates in Surgery
https://www.readbyqxmd.com/read/29299945/a-review-of-plan-library-approaches-in-adaptive-radiotherapy-of-bladder-cancer
#5
Shane D Collins, Michelle M Leech
BACKGROUND: Large variations in the shape and size of the bladder volume are commonly observed in bladder cancer radiotherapy (RT). The clinical target volume (CTV) is therefore frequently inadequately treated and large isotropic margins are inappropriate in terms of dose to organs at risk (OAR); thereby making adaptive radiotherapy (ART) attractive for this tumour site. There are various methods of ART delivery, however, for bladder cancer, plan libraries are frequently used. MATERIAL AND METHODS: A review of published studies on plan libraries for bladder cancer using four databases (Pubmed, Science Direct, Embase and Cochrane Library) was conducted...
January 4, 2018: Acta Oncologica
https://www.readbyqxmd.com/read/29295749/safety-and-efficacy-of-various-strains-of-bacille-calmette-gu%C3%A3-rin-in-the-treatment-of-bladder-tumours-in-standard-clinical-practice
#6
M Unda-Urzaiz, J M Cozar-Olmos, B Miñana-Lopez, J Camarero-Jimenez, X Brugarolas-Rossello, C Zubiaur-Libano, M J Ribal-Caparros, A J Suarez-Charneco, V Rodriguez-Tesedo, V Chantada-Abal, C Ruiz-de-Leon, C Carrillo-George, J Carballido-Rodriguez, F Villacampa-Auba
BACKGROUND: The natural progression of bladder tumours (nonmuscle-invasive bladder cancer [NMIBC]) is recurrence with a high rate of progression. Bacille Calmette-Guérin (BCG) has been shown effective in reducing these rates, but there are few comparative studies between strains. MATERIAL AND METHODS: An observational, prospective and multicentre registry studied 433 patients with a 12-month follow-up visit from 961 registered patients, assessing disease-free survival (DFS), progression-free survival (PFS) cancer-specific survival (CSS) and adverse effects...
December 30, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/29284232/chromium-in-urothelial-carcinoma-of-the-bladder
#7
Tomasz Golabek, Katarzyna Socha, Jacek Kudelski, Barbara Darewicz, Renata Markiewicz-Zukowska, Piotr Chlosta, Maria Borawska
INTRODUCTION AND OBJECTIVES: Many epidemiological and experimental studies report a strong role of chemical carcinogens in the etiology of bladder cancer. However, the involvement of heavy metals in tumourigenesis of urothelial carcinoma of the bladder has been poorly investigated. Therefore, the aim of this study was to examine the relationship between chromium (Cr) and bladder cancer. MATERIAL AND METHODS: Chromium concentration in two 36-sample series of bladder cancer tissue and sera from patients with this neoplasm were matched with those of a control group...
December 23, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/29279584/immunohistochemical-expression-of-nanog-in-urothelial-carcinoma-of-the-bladder
#8
M K A Md Akhir, H Hussin, A Veerakumarasivam, C S Choy, M A Abdullah, F Abd Ghani
Urothelial carcinoma is a common malignant neoplasm that has a poor prognosis and a high frequency of recurrence and metastasis. Constant disease surveillance with periodic and long term cystoscopy examination is necessary for management of the disease. However, the monitoring and therapy regimen is expensive, incurring a massive burden to patients and the government. Therefore, the development of specific biomarkers for urothelial carcinoma at an early stage and recurrence detection becomes a priority. Homeobox genes are a family of genes that are involved in tumourigenesis...
December 2017: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/29274202/-very-low-risk-bladder-tumours-a-new-entity
#9
Ofer N Gofrit, Dov Pode, Galina Pizov, Mordechai Duvdevani, Ezekiel H Landau, Guy Hidas, Vladimir Yutkin
OBJECTIVE: To evaluate the homogeneity of the "low-risk" bladder cancer group in an attempt to optimize follow-up protocols. PATIENTS AND METHODS: Between June 1998 and December 2008, 211 patients (mean age of 66.7 years, S.D 12.8) underwent transurethral resection of low-risk bladder cancer. Post-operative follow-up included cystoscopy at 3 and 12 months after surgery and then annually for a total of 5 years and then annual ultrasonography indefinitely. RESULTS: After a median follow-up of 10 years, 65 patients (30...
December 23, 2017: BJU International
https://www.readbyqxmd.com/read/29239187/-immunotherapy-for-bladder-cancer
#10
T Büchler
Urothelial carcinoma is the most common urological malignancy. Nonspecific immunotherapy using the Bacillus Calmette-Guerin vaccine has long been the mainstay for the treatment of high-risk superficial bladder carcinoma in an adjuvant setting after transurethral endoscopic resection. In metastatic disease, cisplatin-based chemotherapy remains the main therapeutic modality. In Europe, the standard second-line chemotherapy for patients with cisplatin-refractory tumours is vinflunine. Other systemic treatments with a lower level of evidence include paclitaxel and docetaxel...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/29234540/bipolar-plasma-kinetic-enucleation-of-non-muscle-invasive-bladder-cancer-initial-experience-with-a-novel-technique
#11
Ahmed A Abotaleb, Wael S Kandeel, Basheer Elmohamady, Yasser A Noureldin, Waleed El-Shaer, Ahmed Sebaey
Objective: To assess the effectiveness and safety of bipolar plasma kinetic energy for en bloc enucleation of non-muscle-invasive bladder cancer (NMIBC). Patients and methods: In all, 46 patients diagnosed with suspected NMIBC were included. All patients were diagnosed using ultrasonography, computed tomography, and diagnostic cystoscopy, and then underwent bipolar plasma kinetic enucleation of bladder tumour (PKEBT). At the end of the procedure, all patients had a single-dose (40 mg in 40 mL saline) intravesical installation of mitomycin C (<6 h after bipolar PKEBT)...
December 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/29228614/dual-effects-of-radiation-bystander-signaling-in-urothelial-cancer-purinergic-activation-of-apoptosis-attenuates-survival-of-urothelial-cancer-and-normal-urothelial-cells
#12
Malgorzata A Bill, Kirtiman Srivastava, Conor Breen, Karl T Butterworth, Stephen J McMahon, Kevin M Prise, Karen D McCloskey
Radiation therapy (RT) delivers tumour kill, directly and often via bystander mechanisms. Bladder toxicity is a dose limiting constraint in pelvic RT, manifested as radiation cystitis and urinary symptoms. We aimed to investigate the impact of radiation-induced bystander signaling on normal/cancer urothelial cells. Human urothelial cancer cells T24, HT1376 and normal urothelial cells HUC, SV-HUC were used. Cells were irradiated and studied directly, or conditioned medium from irradiated cells (CM) was transferred to naïve, cells...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29226094/epstein-barr-virus-associated-smooth-muscle-tumour-ebv-smt-of-the-urinary-bladder
#13
Dale Wood, Admire Matsika, Bhuvana Srinivasan, Roger Watson
No abstract text is available yet for this article.
January 2018: Urology Case Reports
https://www.readbyqxmd.com/read/29224178/evaluation-of-the-anti-inflammatory-and-urotoxicity-ameliorative-effects-of-%C3%AE-humulene-containing-active-fraction-of-emilia-sonchifolia-l-dc
#14
Gilcy George Kallivalappil, Girija Kuttan
In folklore medicine, the plant Emilia sonchifolia, belonging to the family Asteraceae, is used for treating tumour and inflammation. In our previous studies, we have done a thorough phytochemical investigation of E. sonchifolia with a report on its potent antimetastatic activity. Further, we isolated and characterised its active fraction (AFES) containing the major compound γ-humulene with an evaluation of the antiangiogenic effect of AFES (5 mg/kg b.wt.). In the first part of the present study, AFES in different concentrations was used for the assessment of its possible anti-inflammatory effect employing three in vivo inflammatory models...
December 9, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/29219831/female-urothelial-cell-carcinoma-in-a-failed-kidney-graft-of-a-male-recipient
#15
H J J de Jongh, E M van Duijnhoven, A Rüland, M M A Abdul Hamid, E J M Speel, K van de Beek
We present a case of a male kidney transplant patient harbouring two kidney grafts of which one is functional. In the failed graft, he developed urothelial cell carcinoma with cells containing XX-chromosome, and female tumour cells were also found in the bladder. The patient underwent donor nephrectomy, was treated with epirubicin bladder instillations, and immunosuppression was tapered. Less than a year before re-transplantation a CT scan showed no abnormalities of the first graft. Transplantectomy before a second kidney transplantation is debated...
October 2017: Netherlands Journal of Medicine
https://www.readbyqxmd.com/read/29219283/comparative-differences-between-t1a-b-and-t1e-m-as-substages-in-t1-urothelial-carcinoma-of-the-bladder
#16
Turgay Turan, Özgür Efiloğlu, Bilal Günaydin, Şeyma Özkanli, Emrah Nikerel, Gökhan Atiş, Turhan Çaşkurlu, Asif Yildirim
OBJECTIVE: To evaluate the prognostic value of the depth of lamina propria invasion in patients with T1 bladder cancer and to display comparative differences between the T1a/b and T1e/m substaging systems. PATIENTS AND METHODS: This study included 106 patients with primary stage T1 urothelial bladder tumours who underwent surgery between January 2009 and December 2014. Pathologic specimens were re-evaluated to confirm the diagnosis of T1 and substaging by the same pathologist using two systems: T1a and T1b, and T1m and T1e...
December 11, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29207682/over-forty-years-of-bladder-cancer-glycobiology-where-do-glycans-stand-facing-precision-oncology
#17
REVIEW
Rita Azevedo, Andreia Peixoto, Cristiana Gaiteiro, Elisabete Fernandes, Manuel Neves, Luís Lima, Lúcio Lara Santos, José Alexandre Ferreira
The high molecular heterogeneity of bladder tumours is responsible for significant variations in disease course, as well as elevated recurrence and progression rates, thereby hampering the introduction of more effective targeted therapeutics. The implementation of precision oncology settings supported by robust molecular models for individualization of patient management is warranted. This effort requires a comprehensive integration of large sets of panomics data that is yet to be fully achieved. Contributing to this goal, over 40 years of bladder cancer glycobiology have disclosed a plethora of cancer-specific glycans and glycoconjugates (glycoproteins, glycolipids, proteoglycans) accompanying disease progressions and dissemination...
October 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/29205995/volume-and-health-outcomes-evidence-from-systematic-reviews-and-from-evaluation-of-italian-hospital-data
#18
Laura Amato, Danilo Fusco, Anna Acampora, Katia Bontempi, Alessandro Cesare Rosa, Paola Colais, Fabio Cruciani, Mariangela D'Ovidio, Francesca Mataloni, Silvia Minozzi, Zuzana Mitrova, Luigi Pinnarelli, Rosella Saulle, Salvatore Soldati, Chiara Sorge, Simona Vecchi, Martina Ventura, Marina Davoli
BACKGROUND Improving quality and effectiveness of healthcare is one of the priorities of health policies. Hospital or physician volume represents a measurable variable with an impact on effectiveness of healthcare. An Italian law calls for the definition of «qualitative, structural, technological, and quantitative standards of hospital care». There is a need for an evaluation of the available scientific evidence in order to identify qualitative, structural, technological, and quantitative standards of hospital care, including the volume of care above or below which the public and private hospitals may be accredited (or not) to provide specific healthcare interventions...
September 2017: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/29204001/primary-mucin-secreting-adenocarcinoma-bladder-a-case-series
#19
Priyank Bijalwan, M R Bindhu, Ginil Kumar Pooleri
Primary mucinous adenocarcinoma is an extremely rare type of bladder cancer. These tumours may have varied presenting complains with isolated mucusuria in some patients. As it is difficult to differentiate primary from secondary tumours, it is often a diagnostic dilemma. We narrate three cases of primary mucinous adenocarcinoma bladder and try to bring out the clinical and pathological features unique to this tumour along with the diagnostic importance of immunohistochemistry.
December 2017: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29197849/retrovesical-malignant-fibrous-histiocytoma-a-rare-tumor
#20
Shuchita Pathak, Tej Prakash Soni, Anil Kumar Gupta, Lalit Mohan Sharma
Malignant fibrous histiocytoma (MFH) originating from the retrovesical space is a very rare tumour. A 61-year-old man presented to our hospital with complaints of retention of urine and burning sensation during micturition since 6 months. CT scan abdomen showed a large retrovesical mass between the urinary bladder and rectum, measuring 11×9×12 cm, displacing the urinary bladder. Serum PSA (Prostate Specific Antigen) value was within normal range. Biopsy from retrovesical mass and immunohistochemistry was suggestive of MFH...
December 2, 2017: BMJ Case Reports
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