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https://www.readbyqxmd.com/read/28212556/urinary-cell-microrna-based-prognostic-classifier-for-non-muscle-invasive-bladder-cancer
#1
Mercedes Ingelmo-Torres, Juan José Lozano, Laura Izquierdo, Albert Carrion, Meritxell Costa, Lidia Gómez, María José Ribal, Antonio Alcaraz, Lourdes Mengual
Current prognostic tools for non-muscle invasive bladder cancer (NMIBC) do not have enough discriminative capacity to predict the risk of tumour progression. This study aimed to identify urinary cell microRNAs that may be useful as non-invasive predictive biomarkers of tumour progression in NMIBC patients. To this end, 210 urine samples from NMIBC patients were included in the study. RNA was extracted from urinary cells and expression of 8 microRNAs, previously described by our group, was analysed by quantitative PCR...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28208952/rare-site-of-parasitic-dermoid-cyst-at-uterovesical-fold-of-peritoneum-with-absent-one-sided-adnexa
#2
Sunita Dubey, Alka Sehgal, Puneeti Ballega, Rps Punia
Teratomas are the most common type of germ cell tumour. It can be congenital or acquired and are usually found in gonads (testes and ovaries). Parasitic dermoid cysts are rare and their actual incidence is unknown. We are reporting a case of 25-year-old gravida two, para one and one living child, who underwent emergency cesarean section in view of symptomatic placenta previa. A parasitic dermoid cyst was found incidently in front of uterus which was attached to uterovasical fold of bladder. This cyst did not show any connection to uterus or adnexa...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28195647/molecular-classification-of-urothelial-carcinoma-global-mrna-classification-versus-tumour-cell-phenotype-classification
#3
Gottfrid Sjödahl, Pontus Eriksson, Fredrik Liedberg, Mattias Höglund
Global mRNA expression analysis is efficient for phenotypic profiling of tumours and has been used to define molecular subtypes for almost every major tumour type. A key limitation is that most tumours are communities of both tumour and non-tumour cells. This problem is particularly pertinent when analysing advanced invasive tumours, known to induce major changes and responses in both the tumour and the surrounding tissue. To identify bladder cancer tumour-cell phenotypes and compare classification by tumour-cell phenotype with classification by global gene expression analysis, we analysed 307 advanced bladder cancers (cystectomised) both by genome gene expression analysis and by immunohistochemistry using antibodies for 28 proteins...
February 13, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28192305/an-optical-method-for-reducing-green-fluorescence-from-urine-during-fluorescence-guided-cystoscopy
#4
Lars R Lindvold, Gregers G Hermann
Photodynamic diagnosis (PDD) of bladder tumour tissue significantly improves endoscopic diagnosis and treatment of bladder cancer in rigid cystoscopes in the operating theatre and thus reduces tumour recurrence. PDD comprises the use of blue light, which unfortunately excites green fluorescence from urine. As this green fluorescence confounds the desired red fluorescence of the PDD, methods for avoiding this situation particularly in cystoscopy using flexible cystoscopes are desirable. In this paper we demonstrate how a tailor made high power LED light source at 525 nm can be used for fluorescence assisted tumour detection using both a flexible and rigid cystoscope used in the outpatient department (OPD) and operating room (OR) respectively...
November 14, 2016: Methods and Applications in Fluorescence
https://www.readbyqxmd.com/read/28191815/bladder-cancer-cell-growth-and-motility-implicate-cannabinoid-2-receptor-mediated-modifications-of-sphingolipids-metabolism
#5
Arianna Bettiga, Massimo Aureli, Giorgia Colciago, Valentina Murdica, Marco Moschini, Roberta Lucianò, Daniel Canals, Yusuf Hannun, Petter Hedlund, Giovanni Lavorgna, Renzo Colombo, Rosaria Bassi, Maura Samarani, Francesco Montorsi, Andrea Salonia, Fabio Benigni
The inhibitory effects demonstrated by activation of cannabinoid receptors (CB) on cancer proliferation and migration may also play critical roles in controlling bladder cancer (BC). CB expression on human normal and BC specimens was tested by immunohistochemistry. Human BC cells RT4 and RT112 were challenged with CB agonists and assessed for proliferation, apoptosis, and motility. Cellular sphingolipids (SL) constitution and metabolism were evaluated after metabolic labelling. CB1-2 were detected in BC specimens, but only CB2 was more expressed in the tumour...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28191808/chemoradiation-for-organ-preservation-in-the-treatment-of-muscle-invasive-bladder-cancer-our-institutional-experience
#6
Sweety Gupta, Sudarsan De, Nitin Leekha, Shailesh Chand Sahay, Prekshi Chaudary, Shashank Srinivasan, Malay Nandy
AIM: To assess outcome of chemoradiotherapy for organ preservation in muscle invasive bladder cancer. MATERIAL AND METHODS: 41 patients treated between January 2010 to January 2015 were evaluated in the present study. All patients T staged ranging from cT2-T4a and had undergone maximal transurethral resection of bladder tumour (TURBT). After maximum bladder tumour resection patients were treated with Radiotherapy with or without concurrent chemotherapy. 8 weeks after completion of treatment response was assessed by check cystoscopy, urine cytology and CECT scan Abdomen...
September 2016: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28187437/dysregulation-of-mirnas-in-bladder-cancer-altered-expression-with-aberrant-biogenesis-procedure
#7
REVIEW
Fan Dong, Tianyuan Xu, Yifan Shen, Shan Zhong, Shanwen Chen, Qiang Ding, Zhoujun Shen
Aberrant expression profiles of miRNAs are widely observed in the clinical tissue specimens and urine samples as well as the blood samples of bladder cancer patients. These profiles are closely related to the pathological features of bladder cancer, such as the tumour stage/grade, metastasis, recurrence and chemo-sensitivity. MiRNA biogenesis forms the basis of miRNA expression and function, and its dysregulation has been shown to be essential for variations in miRNA expression profiles as well as tumourigenesis and cancer progression...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28182321/detection-and-oncological-effect-of-circulating-tumour-cells-in-patients-with-variant-urothelial-carcinoma-histology-treated-with-radical-cystectomy
#8
Armin Soave, Sabine Riethdorf, Roland Dahlem, Sarah Minner, Lars Weisbach, Oliver Engel, Margit Fisch, Klaus Pantel, Michael Rink
OBJECTIVES: To investigate for the presence of circulating tumour cells (CTC) in patients with variant urothelial carcinoma of the bladder (UCB) histology treated with radical cystectomy (RC), and to determine their impact on oncological outcomes. PATIENTS AND METHODS: We prospectively collected data of 188 patients with UCB treated with RC without neoadjuvant chemotherapy. Pathological specimens were meticulously reviewed for pure and variant UCB histology. Preoperatively collected blood samples (7...
February 9, 2017: BJU International
https://www.readbyqxmd.com/read/28181054/an-evaluation-of-morphological-and-functional-multi-parametric-mri-sequences-in-classifying-non-muscle-and-muscle-invasive-bladder-cancer
#9
Valeria Panebianco, Ettore De Berardinis, Giovanni Barchetti, Giuseppe Simone, Constantino Leonardo, Marcello Domenico Grompone, Maurizio Del Monte, Davide Carano, Michele Gallucci, James Catto, Carlo Catalano
OBJECTIVES: Our goal is to determine the ability of multi-parametric magnetic resonance imaging (mpMRI) to differentiate muscle invasive bladder cancer (MIBC) from non-muscle invasive bladder cancer (NMIBC). METHODS: Patients underwent mpMRI before tumour resection. Four MRI sets, i.e. T2-weighted (T2W) + perfusion-weighted imaging (PWI), T2W plus diffusion-weighted imaging (DWI), T2W + DWI + PWI, and T2W + DWI + PWI + dif-fusion tensor imaging (DTI) were interpreted qualitatively by two radiologists, blinded to histology results...
February 8, 2017: European Radiology
https://www.readbyqxmd.com/read/28169993/the-evolving-genomic-landscape-of-urothelial-carcinoma
#10
REVIEW
Alexander P Glaser, Damiano Fantini, Ali Shilatifard, Edward M Schaeffer, Joshua J Meeks
Survival of patients with urothelial carcinoma (including bladder cancer and upper tract urothelial carcinoma) is limited by our current approaches to staging, surgery, and chemotherapy. Large-scale, next-generation sequencing collaborations, such as The Cancer Genome Atlas, have already identified drivers and vulnerabilities of urothelial carcinoma. This disease has a high degree of mutational heterogeneity and a high frequency of somatic mutations compared with other solid tumours, potentially resulting in an increased neoantigen burden...
February 7, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28167490/a-snake-in-the-grass
#11
Rhiannon Trefor, Murali Varma
A 77-year-old man presented with haematuria. Cystoscopy revealed a papillary tumour in the trigone region of the bladder. A TURBT was performed. Review the high-quality, interactive digital Aperio slide at http://virtualacp.com/JCPCases/jclinpath-2016-204015 and consider your diagnosis. WHAT IS YOUR DIAGNOSIS?: Urothelial carcinoma pTaUrothelial carcinoma pT1Metastatic carcinomaProstatic adenocarcinomaProstatic polyp.
February 6, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28161527/a-systematic-review-of-prehabilitation-programs-in-abdominal-cancer-surgery
#12
REVIEW
Yasser Hijazi, Umair Gondal, Omer Aziz
INTRODUCTION: Prehabilitation programs aim to optimise patients in order to enhance post-operative recovery. This study aims to review the composition of prehabilitation programs for patients undergoing major abdominal cancer surgery and define the outcome measures that are used to evaluate this intervention. METHODS: A systematic literature review of all comparative studies on prehabilitation versus standard care in patients undergoing abdominal cancer surgery was performed in accordance with PRISMA guidelines...
February 2, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28156048/targeted-o-glycoproteomics-explored-increased-sialylation-and-identified-muc16-as-a-poor-prognosis-biomarker-in-advanced-stage-bladder-tumours
#13
Sofia Cotton, Rita Azevedo, Cristiana Gaiteiro, Dylan Ferreira, Luís Lima, Andreia Peixoto, Elisabete Fernandes, Manuel Neves, Diogo Neves, Teresina Amaro, Ricardo Cruz, Ana Tavares, Maria Rangel, André M N Silva, Lúcio Lara Santos, José Alexandre Ferreira
Bladder carcinogenesis and tumour progression is accompanied by profound alterations in protein glycosylation on the cell surface, which may be explored for improving disease management. In a search for prognosis biomarkers and novel therapeutic targets we have screened, using immunohistochemistry, a series of bladder tumours with differing clinicopathology for short-chain O-glycans commonly found in glycoproteins of human solid tumours. These included the Tn and T antigens and their sialylated counterparts sialyl-Tn(STn) and sialyl-T(ST), which are generally associated with poor prognosis...
February 3, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28155030/compositional-analysis-of-topsoil-metals-and-its-associations-with-cancer-mortality-using-spatial-misaligned-data
#14
Gonzalo López-Abente, Juan Locutura-Rupérez, Pablo Fernández-Navarro, Iván Martín-Méndez, Alejandro Bel-Lan, Olivier Núñez
The presence of toxic metals in soil per se, and in soil impacted by mining, industry, agriculture and urbanisation in particular, is a major concern for both human health and ecotoxicology. The dual aim of this study was: to ascertain whether topsoil composition could influence the spatial distribution of mortality due to different types of cancer and to identify possible errors committed by epidemiological studies which analyse soil composition data as a closed number system. We conducted an ecological cancer mortality study, covering 861,440 cancer deaths (27 cancer sites) in 7917 Spanish mainland towns, from 1999 to 2008...
February 2, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28144091/clinicopathological-profile-of-gastrointestinal-lymphomas-in-kashmir
#15
Mehnaaz Sultan Khuroo, Summyia Farooq Khwaja, Ajaz Rather, Zhahid Hassan, Ruby Reshi, Naira Sultan Khuroo
BACKGROUND: The histological categorization of lymphoma has been a source of controversy for many years for both clinicians and pathologists. Clinicopathologic information of gastrointestinal lymphomas in Indian subcontinent is lacking. We studied histopathological spectrum of Primary Gastrointestinal Lymphomas (PGIL) and attempted to classify the G.I. lymphomas based on the recent WHO classification in to major histological types and immunological categories. MATERIAL AND METHODS: This study was done to evaluate the clinicopathological pattern of 100 cases with a histopathological diagnosis of primary gastrointestinal lymphoma at a tertiary care hospital...
October 2016: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28131548/an-orally-bioavailable-chk1-inhibitor-cct244747-sensitizes-bladder-and-head-and-neck-cancer-cell-lines-to-radiation
#16
Radhika Patel, Holly E Barker, Joan Kyula, Martin McLaughlin, Magnus T Dillon, Ulrike Schick, Hind Hafsi, Alan Thompson, Vincent Khoo, Kevin Harrington, Shane Zaidi
PURPOSE: Chk1 inhibition increases cell sensitivity to both chemotherapy and radiotherapy in several tumour types and is, therefore, a promising anti-cancer approach. Although several Chk1 inhibitors have been developed, their clinical progress has been hampered by low bioavailability and off-target toxicities. MATERIALS AND METHODS: We characterized the radiosensitizing activity of CCT244747, the first orally bioavailable Chk1 inhibitor. We used a panel of bladder and head and neck cancer cell lines and monitored the effect of combining CCT244747 with radiation both in in vitro and in vivo models...
January 25, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28125821/the-predictive-and-prognostic-value-of-tumour-necrosis-in-muscle-invasive-bladder-cancer-patients-receiving-radiotherapy-with-or-without-chemotherapy-in-the-bc2001-trial-cruk-01-004
#17
Ananya Choudhury, Catharine M West, Nuria Porta, Emma Hall, Helen Denley, Carey Hendron, Rebecca Lewis, Syed A Hussain, Robert Huddart, Nicholas James
BACKGROUND: Severe chronic hypoxia is associated with tumour necrosis. In patients with muscle invasive bladder cancer (MIBC), necrosis is prognostic for survival following surgery or radiotherapy and predicts benefit from hypoxia modification of radiotherapy. Adding mitomycin C (MMC) and 5-fluorouracil (5-FU) chemotherapy to radiotherapy improved locoregional control (LRC) compared to radiotherapy alone in the BC2001 trial. We hypothesised that tumour necrosis would not predict benefit for the addition of MMC and 5-FU to radiotherapy, but would be prognostic...
January 26, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28116744/refractory-haematuria-resulting-from-peritoneal-dissemination-of-metastatic-gastric-cancer-radiation-therapy-for-a-nodule-infiltrating-the-urinary-bladder
#18
Naoya Ishibashi, Toshiya Maebayashi, Takuya Aizawa, Masakuni Sakaguchi, Osamu Abe, Tsuyoshi Matsui, Megumu Watanabe
Bladder metastases from remote primary sites are rarely reported. We present a case of haematuria caused by infiltrationof the urinary bladder wall by a nodule resulting from peritoneal dissemination of a primary gastric tumour.The nodule was detected by computed tomography, magnetic resonance imaging and cystoscopy. Transarterialembolization or haemostasis could not be performed because of the haematuria, thus the vesical bleeding was treatedwith a low irradiation dose of 3 Gy/fraction for a total of 30 Gy administered to the dome of the urinary bladder...
January 18, 2017: Urology Journal
https://www.readbyqxmd.com/read/28100242/intraoperative-radiotherapy-in-gynaecological-and-genito-urinary-malignancies-focus-on-endometrial-cervical-renal-bladder-and-prostate-cancers
#19
REVIEW
Marco Krengli, Carla Pisani, Letizia Deantonio, Daniela Surico, Alessandro Volpe, Nicola Surico, Carlo Terrone
Intraoperative radiotherapy (IORT) refers to the delivery of a single radiation dose to a limited volume of tissue during a surgical procedure. A literature review was performed to analyze the role of IORT in gynaecological and genito-urinary cancer including endometrial, cervical, renal, bladder and prostate cancers.Literature search was performed by Pubmed and Scopus, using the words "intraoperative radiotherapy/IORT", "gynaecological cancer", "uterine/endometrial cancer", "cervical/cervix cancer", "renal/kidney cancer", "bladder cancer" and "prostate cancer"...
January 19, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28096925/penile-metastasis-from-primary-transitional-cell-carcinoma-of-the-bladder-sparing-the-urethra
#20
Justin D Oake, Douglas N Drover
Metastatic involvement of the penis is relatively infrequent. Metastasis of transitional cell carcinoma (TCC) is extremely rare. We report a case of bladder TCC with metastases to the penis that spares the urethra - a finding that, to the best of our knowledge, has not been previously reported. Of the documented mechanisms of metastatic transmission to the penis, we suspect the cause was retrograde lymphatic spread. In our case, a 59-year-old male presented to our clinic initially with phimosis and later developed gross hematuria...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
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