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https://www.readbyqxmd.com/read/28933018/-18-f-fluoromisonidazole-pet-in-rectal-cancer
#1
Tanuj Puri, Tessa A Greenhalgh, James M Wilson, Jamie Franklin, Lia Mun Wang, Victoria Strauss, Chris Cunningham, Mike Partridge, Tim Maughan
BACKGROUND: There is an increasing interest in developing predictive biomarkers of tissue hypoxia using functional imaging for personalised radiotherapy in patients with rectal cancer that are considered for neoadjuvant chemoradiotherapy (CRT). The study explores [(18)F]fluoromisonidazole ([(18)F]FMISO) positron emission tomography (PET) scans for predicting clinical response in rectal cancer patients receiving neoadjuvant CRT. METHODS: Patients with biopsy-proven rectal adenocarcinoma were imaged at 0-45 min, 2 and 4 h, at baseline and after 8-10 fractions of CRT (week 2)...
September 20, 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28932315/experimental-hepatic-carcinogenesis-oxidative-stress-and-natural-antioxidants
#2
REVIEW
Velid Unsal, Ergül Belge-Kurutaş
Hepatocellular carcinoma is one of the most common cancers in the world, and it is influenced by agents such as DEN, 2-AAF, phenobarbital, alcohol, aflatoxin B1 metabolite or hepatitis viruses (B and C). Oxidative stress is becoming recognized as a key factor in the progression of hepatocarcinogenesis. Reactive oxygen species can play a leading role in initiation and promotion of hepatic carcinogenesis. The metabolites of DEN Diethylnitrosamine (DEN) mediate the binding of tumour promoters by covalently binding to the DNA with one or two oxidation-providing electrons...
August 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28931051/interleukin-17-positive-mast-cells-influence-outcomes-from-bcg-for-patients-with-cis-data-from-a-comprehensive-characterisation-of-the-immune-microenvironment-of-urothelial-bladder-cancer
#3
Alexander C Dowell, Ellen Cobby, Kaisheng Wen, Adam J Devall, Vinnie During, Jane Anderson, Nicholas D James, Kar K Cheng, Maurice P Zeegers, Richard T Bryan, Graham S Taylor
The tumour immune microenvironment is considered to influence cancer behaviour and outcome. Using a panel of markers for innate and adaptive immune cells we set out to characterise and understand the bladder tumour microenvironment of 114 patients from a prospective multicentre cohort of newly-diagnosed bladder cancer patients, followed-up for 4.33±1.71 years. We found IL-17-positive cells were significantly increased in primary and concomitant carcinoma in situ (CIS), p<0.0001, a highly malignant lesion which is the most significant single risk factor for disease progression...
2017: PloS One
https://www.readbyqxmd.com/read/28928335/sexual-and-urinary-dysfunction-following-laparoscopic-total-mesorectal-excision-in-male-patients-a-prospective-study
#4
Deepak George, Kaniyarakkal Pramil, Naduthottam P Kamalesh, Shaji Ponnambatheyil, Prakash Kurumboor
AIMS: Even with the use of nerve-sparing techniques, there is a risk of bladder and sexual dysfunction after total mesorectal excision (TME). Laparoscopic TME is believed to improve this autonomic nerve dysfunction, but this is not demonstrated conclusively in the literature. In Indian patients generally, the stage at which the patients present is late and presumably the risk of autonomic nerve injury is more; however, there is no published data in this respect. MATERIALS AND METHODS: This prospective study in male patients who underwent laparoscopic TME evaluated the bladder and sexual dysfunction using objective standardised scores, measuring residual urine and post-voided volume...
September 20, 2017: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/28924293/leiomyoma-of-the-urinary-bladder
#5
Anila Jamshaid, Zeeshan Arshad, Syed Zafar Zaidi
Leiomyoma of urinary bladder is a rare tumour with an incidence of < 0.5% of all the bladder tumours. We report a case of leiomyoma of bladder after taking written and informed consent from a 38 years old female, after obtaining the permission of the institutional review board (IRB). She presented in November 2015, with symptoms of obstructive lower urinary tract for 1 year followed by acute urinary retention. Physical examination was unremarkable. Ultrasound showed well circumscribed polypoidal growth in the bladder with mild hydronephrosis on the left side...
September 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28920525/can-urologists-accurately-stage-and-grade-urothelial-bladder-cancer-by-assessing-endoscopic-photographs
#6
Snir Dekalo, Haim Matzkin, Nicola J Mabjeesh
Introduction Assessment of urothelial bladder cancer during cystoscopy or transurethral resection of bladder tumour has a significant impact on the urologist's decision-making: treatment with simple outpatient fulguration, required depth of resection, and need of immediate post-surgical intravesical therapy. These choices depend heavily on the urologist's ability to accurately assess pre-biopsy tumour stage and grade. The aim of the study was to determine whether evaluation of photographs taken during transurethral resection of bladder tumour can reliably characterize a tumour's stage and grade...
January 1, 2017: Journal of Telemedicine and Telecare
https://www.readbyqxmd.com/read/28916750/comprehensive-multiregional-analysis-of-molecular-heterogeneity-in-bladder-cancer
#7
Mathilde Borg Houlberg Thomsen, Iver Nordentoft, Philippe Lamy, Søren Vang, Line Reinert, Christophe Kamungu Mapendano, Søren Høyer, Torben F Ørntoft, Jørgen Bjerggaard Jensen, Lars Dyrskjøt
Genetic alterations identified in adjacent normal appearing tissue in bladder cancer patients are indicative of a field disease. Here we assessed normal urothelium transformation and intra-tumour heterogeneity (ITH) in four patients with bladder cancer. Exome sequencing identified private acquired mutations in a lymph node metastasis and local recurrences. Deep re-sequencing revealed presence of at least three and four subclones in two patients with multifocal disease, while no demarcation of subclones was identified in the two patients with unifocal disease...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28898400/intravesical-electromotive-drug-administration-for-non-muscle-invasive-bladder-cancer
#8
REVIEW
Jae Hung Jung, Ahmet Gudeloglu, Halil Kiziloz, Gretchen M Kuntz, Alea Miller, Badrinath R Konety, Philipp Dahm
BACKGROUND: Electromotive drug administration (EMDA) is the use of electrical current to improve the delivery of intravesical agents to reduce the risk of recurrence in people with non-muscle invasive bladder cancer (NMIBC). It is unclear how effective this is in comparison to other forms of intravesical therapy. OBJECTIVES: To assess the effects of intravesical EMDA for the treatment of NMIBC. SEARCH METHODS: We performed a comprehensive search using multiple databases (CENTRAL, MEDLINE, EMBASE), two clinical trial registries and a grey literature repository...
September 12, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28892971/a-case-report-of-largest-documented-multilocular-cystic-nephroma-removed-by-thoracoabdominal-approach
#9
Ajit S Sawant, Abhishek Jaysukh Savalia, Prakash Pawar, Saylee Narwade, Radheshyam Chaudhari
Large renal tumours are not uncommon in developing countries. Enhancing renal tumours are considered to be malignant unless proved otherwise and radical surgical resection remains the mainstay of treatment of such tumours. A giant renal tumour, especially on right side, poses a big challenge for the operating team and requires a thoracoabdominal approach for successful excision. We report successful removal of the largest documented Multilocular Cystic Nephroma (MLCN, 5.5 kg) from a 28-year-old female who presented with right abdomen lump since two years...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28888113/tissue-engineered-human-3d-model-of-bladder-cancer-for-invasion-study-and-drug-discovery
#10
Cassandra Ringuette Goulet, Geneviève Bernard, Stéphane Chabaud, Amélie Couture, Alexandre Langlois, Bertrand Neveu, Frédéric Pouliot, Stéphane Bolduc
The tumour microenvironment is critical to both the initiation and maintenance of tumorigenesis. Reconstitution of the microenvironment is a major challenge for in vitro cancer models. Indeed, conventional 2D culture systems cannot replicate the complexity, diversity and dynamic nature of the tumour microenvironment. In this study, we have developed a 3D endotheliazed vesical equivalent by using tissue engineering from primary human cells in which non-invasive or invasive bladder cancer (BCa) cell lines, cultured as compact spheroids, were incorporated...
August 29, 2017: Biomaterials
https://www.readbyqxmd.com/read/28886476/phase-i-study-of-axitinib-and-everolimus-in-metastatic-solid-tumours-and-extension-to-metastatic-renal-cell-carcinoma-results-of-evax-study
#11
Alain Ravaud, Carlos Gomez-Roca, Marie-Quitterie Picat, Laurence Digue, Christine Chevreau, Anne Gimbert, Emmanuelle Chauzit, Rémi Sitta, François Cornelis, Julien Asselineau, Richard Aziza, Amaury Daste, Cathy Quemener, Jessica Baud, Andréas Bikfalvi, Delphine Pedenon-Périchout, Adelaïde Doussau, Mathieu Molimard, Jean-Pierre Delord
PURPOSE: Anti-angiogenic and mammalian target of rapamycin inhibitors have shown efficacy in solid tumours. Reported combination of both drugs was deemed to be too toxic. Due to a potential favourable safety profile of axitinib (AX), a phase I study combining everolimus (EV) and AX for solid tumours was explored. EXPERIMENTAL DESIGN: Patients (pts) with advanced cancers were enrolled in an escalation phase I study to investigate the safety of the combination. Pharmacokinetic profile and functional vascular imaging were performed...
September 5, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28884928/expression-of-receptor-tyrosine-kinase-targets-pdgfr-%C3%AE-vegfr2-and-kit-in-canine-transitional-cell-carcinoma
#12
L Walters, O Martin, J Price, M M Sula
Transitional cell carcinoma (TCC) is the most common neoplasia of the canine urinary tract. It tends to be locally invasive and has a moderate metastatic rate. Receptor tyrosine kinases (RTKs) play an important role in promoting cell growth, differentiation and regulation of cell function. RTK inhibitor toceranib phosphate has been used anecdotally to treat TCC. The goal of this study was to evaluate archived normal urinary bladder, TCC and cystitis bladder samples for expression of toceranib phosphate targets: VEGFR2, PDGFR-β and stem cell factor receptor (KIT)...
September 8, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28871659/overexpression-of-her-2-via-immunohistochemistry-in-canine-urinary-bladder-transitional-cell-carcinoma-a-marker-of-malignancy-and-possible-therapeutic-target
#13
F Millanta, J Impellizeri, L McSherry, G Rocchigiani, L Aurisicchio, G Lubas
Transitional cell carcinoma (TCC) is the most commonly diagnosed neoplasm in the urinary bladder. Distant metastases to the regional lymph nodes, lungs, abdominal organs or bones are noted in up to 50% of dogs at time of death. Surgical excision is often not practical as TCC typically involve the trigone of the bladder and/or occurs multifocally throughout the bladder with field cancerization. Therapeutic approaches are very challenging and the requirement to evaluate alternative therapeutic protocols that may prolong survival times in dogs bearing these tumours is compelling...
September 4, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28867446/european-association-of-urology-guidelines-on-upper-urinary-tract-urothelial-carcinoma-2017-update
#14
Morgan Rouprêt, Marko Babjuk, Eva Compérat, Richard Zigeuner, Richard J Sylvester, Maximilian Burger, Nigel C Cowan, Paolo Gontero, Bas W G Van Rhijn, A Hugh Mostafid, Joan Palou, Shahrokh F Shariat
CONTEXT: The European Association of Urology (EAU) Guidelines Panel on Upper Urinary Tract Urothelial Carcinoma (UTUC) has prepared updated guidelines to aid clinicians in the current evidence-based management of UTUC and to incorporate recommendations into clinical practice. OBJECTIVE: To provide an overview of the EAU guidelines on UTUC as an aid to clinicians. EVIDENCE ACQUISITION: The recommendations provided in the current guidelines are based on a thorough review of available UTUC guidelines and articles identified following a systematic search of Medline...
August 31, 2017: European Urology
https://www.readbyqxmd.com/read/28857137/weekday-of-cancer-surgery-in-relation-to-prognosis
#15
J Lagergren, F Mattsson, P Lagergren
BACKGROUND: Later weekday of surgery seems to affect the prognosis adversely in oesophageal cancer, whereas any such influence on other cancer sites is unknown. This study aimed to test whether weekday of surgery influenced prognosis following commonly performed cancer operations. METHODS: This nationwide Swedish population-based cohort study from 1997 to 2014 analysed weekday of elective surgery for ten major cancers in relation to disease-specific and all-cause mortality...
August 31, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28841878/the-role-of-lutheran-basal-cell-adhesion-molecule-in-human-bladder-carcinogenesis
#16
Hong-Yi Chang, Hsin-Mei Chang, Tsung-Jung Wu, Chang-Yao Chaing, Tzong-Shin Tzai, Hong-Lin Cheng, Giri Raghavaraju, Nan-Haw Chow, Hsiao-Sheng Liu
BACKGROUND: Lutheran/basal cell adhesion molecule (Lu/BCAM) is a membrane bound glycoprotein. This study was performed to investigate the role and downstream signaling pathway of Lu/BCAM in human bladder tumorigenesis. METHODS: Five human bladder cancer (E6, RT4, TSGH8301, TCCSUP and J82), one stable mouse fibroblast cell line (NIH-Lu) expressing Lu/BCAM transgene and sixty human uroepithelial carcinoma specimens were analyzed by real-time PCR, immunohistochemistry (IHC), immunofluorescence (IFA) staining, Western blotting and promoter luciferase assay for Lu/BCAM, respectively...
August 26, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28839322/breast-cancer-in-a-patient-with-kindlers-syndrome
#17
Itrat Mehdi, Bassim Jaffar Al Bahrani, Taha Mohsin Al Lawati, Zahid Al Mandhari, Fatima Ramadhan Al Lawati
Breast Cancer (BC) has associated risk factors and genetic factors like BRCA1, and BRCA2. Many benign and malignant disease processes are found concurrently with BC and believed to be additional risk factors like gall bladder stones (cholelithiasis), hypertension, diabetes mellitus, cerebrovascular lesions, arthritis, spine and spinal cord degenerative lesions, infertility, depression, sleep disturbances, obesity, autoimmune diseases (SLE), and thyroid diseases. There are some malignant disease associations like synchronous or metachronous ovarian, colonic and endometrial tumours with Breast cancer...
August 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28839000/radiosensitisation-in-vivo-by-histone-deacetylase-inhibition-with-no-increase-in-early-normal-tissue-radiation-toxicity
#18
Blaz Groselj, Jia-Ling Ruan, Helen Scott, Jessica Gorrill, Judith Nicholson, Jacqueline Kelly, Selvakumar Anbalagan, James Thompson, Michael Rl Stratford, Sarah J Jevons, Ester M Hammond, Cheryl L Scudamore, Martin Kerr, Anne E Kiltie
As the population ages, more elderly patients require radiotherapy-based treatment for their pelvic malignancies, including muscle-invasive bladder cancer, as they are unfit for major surgery. Therefore, there is an urgent need to find radiosensitising agents minimally toxic to normal tissues, including bowel and bladder, for such patients. We developed methods to determine normal tissue toxicity severity in intestine and bladder in vivo, using novel radiotherapy techniques on a small animal radiation research platform (SARRP)...
August 24, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28821265/poncet-s-disease-after-the-intravesical-instillation-of-bacillus-calmette-gu%C3%A3-rin-bcg-a-case-report
#19
Paula Cíntia Machado Sampaio, Yan Garcia Lira, Hellen Yuki Umemura Ribeiro, Fernanda de Paula Moreira, Maitê Silva Martins Gadelha, Sérgio Ferreira Santos da Cruz
BACKGROUND: Poncet's disease is a rare syndrome characterized by articular impairment in a form of rare tuberculid. One of the theories of its cause involves an autoimmune response induced by the intravesical administration of the Calmette-Guerin Bacillus or the treatment of bladder carcinoma. Furthermore, there may be an appearance of oligoarticular or polyarticular arthritis, beginning 1-3 months after the start of therapy. Few physicians know the disease and the literature related to that syndrome is scarce and restricted to case reports, which contributes to its under diagnosis...
August 18, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28818537/predicting-grade-and-stage-at-cystoscopy-in-newly-presenting-bladder-cancers-a-prospective-double-blind-clinical-study
#20
Paramananthan Mariappan, Victoria Lavin, Chu Qin Phua, Shahid Aziz Anwar Khan, Roland Donat, Gordon Smith
OBJECTIVE: To assess urologists' ability to predict the grade and stage of new bladder cancers from the cystoscopic features alone. PATIENTS AND METHODS: We conducted a prospective clinical study on consecutive patients who underwent transurethral resection of bladder tumor (TURBT) for new bladder cancers. Using only cystoscopic tumor morphology at the time of initial TURBT, 3 urology consultants predicted the grade and stage, recording these on a proforma along with tumor features...
August 14, 2017: Urology
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