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https://www.readbyqxmd.com/read/29156750/somatic-mutations-in-cdh1-and-ctnnb1-in-primary-carcinomas-at-13-anatomic-sites
#1
Evan L Busch, Jason L Hornick, Renato Umeton, Adem Albayrak, Neal I Lindeman, Laura E MacConaill, Elizabeth P Garcia, Matthew Ducar, Timothy R Rebbeck
Metastases are involved in most cancer deaths. Evidence has suggested that cancer cell detachment from primary tumors might occur largely via the mechanism of epithelial-mesenchymal transition (EMT) activated by epigenetic events, but data addressing other possible triggers of detachment, particularly genetic mutations, have been limited. Using the Profile study of cancer genomics at Dana-Farber Cancer Institute, we examined somatic mutations in the EMT genes CDH1 in 5,106 primary carcinomas and CTNNB1 in 7,578 primary carcinomas across 13 anatomic sites: urinary bladder, breast, colon/rectum, endometrium, esophagus, kidney, lung, ovary, pancreas, prostate, skin (non-melanoma), stomach, and thyroid...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29155777/transurethral-instillation-procedure-in-adult-male-mouse
#2
Sanghee Lee, Alonso Carrasco, Randall B Meacham, Anna P Malykhina
Transurethral instillation can be used to deliver different solutions with active ingredients (e.g., drugs, chemicals, bacteria, and viruses) locally into the urinary bladder to either induce animal models of bladder pathologies or evaluate the effectiveness of intravesical treatments. Most rodent models of lower urinary tract (LUT) pathologies are induced in female mice due to ease of intravesical instillation of the substances via the female urethra. However, due to anatomical differences between the female and male LUT, transurethral instillation in a male mouse has been deemed a very challenging procedure, and it has not been previously described...
November 2, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29154374/microcystic-transitional-cell-carcinoma-a-rare-tumor-of-the-urinary-bladder
#3
M Triki, L Ayadi, R Kallel, S Charfi, I Saguem, N Mhiri, T S Boudawara, N Gouiaa
Microcystic urothelial carcinoma is a rare variant of invasive transitional cell carcinoma recognized by the WHO classification. It is characterized by its deceptively benign appearance. The clinical course of this uncommon variety of carcinoma is not well known and their histological and immunohistological features are not well defined. We report a case of a 37-year-old man with a microcystic transitional cell carcinoma of the urinary bladder. He was diagnosed 4 years ago with cystitis glandularis lesions and nephrogenic adenoma...
September 2017: Pathologica
https://www.readbyqxmd.com/read/29153469/postoperative-urinary-retention-or-difficulties-to-empty-the-bladder-in-young-patients-undergoing-posterior-spinal-fusion-for-adolescent-idiopathic-scoliosis
#4
Heli Keskinen, Linda Helenius, Olli Pajulo, Ilkka J Helenius
BACKGROUND: Postoperative urinary retention has been reported to affect up to 27% of adults undergoing degenerative lumbar spine surgery and approximately one-third of children undergoing lower-extremity orthopedic surgery. No data exist on the incidence and risk factors of postoperative urinary tract retention/difficulties to empty the bladder in young patients undergoing instrumented posterior spinal fusion. We aimed to characterize incidence, risk factors and treatment of postoperative urinary retention (POUR) and difficulties to empty the bladder in young patients undergoing posterior spinal fusion (PSF) for idiopathic scoliosis...
October 13, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29152554/prevalence-of-clostridium-difficile-infection-in-patients-after-radical-cystectomy-and-neoadjuvant-chemotherapy
#5
Katherine J Cotter, Yunhua Fan, Gretchen K Sieger, Christopher J Weight, Badrinath R Konety
Background and Objectives: Clostridium Difficile is the most common cause of nosocomial infectious diarrhea. This study evaluates the prevalence and predictors of Clostridium Difficile infections in patients undergoing radical cystectomy with or without neoadjuvant chemotherapy. Methods: Retrospective chart review was performed of all patients undergoing cystectomy and urinary diversion at a single institution from 2011-2017. Infection was documented in all cases with testing for Clostridium Difficile polymerase chain reaction toxin B...
October 27, 2017: Bladder Cancer
https://www.readbyqxmd.com/read/29151942/gender-related-outcome-in-bladder-cancer-patients-undergoing-radical-cystectomy
#6
Renate Pichler, Josef Fritz, Isabel Heidegger, Wilhelm Oberaigner, Wolfgang Horninger, Margarethe Hochleitner
Background: The impact of gender on oncological outcome after radical cystectomy (RC) is not fully understood yet. The aim of the study was to evaluate gender-related differences in histopathological parameters and prognosis of patients with bladder cancer undergoing RC. Methods: A retrospective analysis of a 10-year single-center cystectomy database was performed. Kaplan-Meier survival and Cox-regression analyses with sex-specific interactions were performed to determine the impact of gender on recurrence-free survival (RFS), cancer-specific survival (CSS), and overall survival (OS), in addition to established clinicopathological factors...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29151086/analysis-of-the-cytomorphological-features-in-atypical-urine-specimens-following-application-of-the-paris-system-for-reporting-urinary-cytology
#7
Ryan Glass, Lisa Rosen, Karen Chau, Sylvat Sheikh-Fayyaz, Peter Farmer, Constantinos Coutsouvelis, Farah Slim, Ryan Brenkert, Kasturi Das, Stephen Raab, Rubina Cocker
BACKGROUND: This study investigates the use of The Paris System (TPS) for Reporting Urinary Cytopathology and examines the performance of individual and combined morphological features in atypical urine cytologies. METHODS: We reviewed 118 atypical cytologies with subsequent bladder biopsies for the presence of several morphological features and reclassified them into Paris System categories. The sensitivity and specificity of individual and combined features were calculated along with the risk of malignancy...
November 18, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/29151006/the-practical-update-for-family-physicians-in-the-diagnosis-and-management-of-overactive-bladder-and-lower-urinary-tract-symptoms
#8
Jack Barkin, Jeffrey Habert, Amy Wong, Livia Y T Lee
OBJECTIVE: To provide family physicians with an up-to-date, practical overview of the diagnosis and management of overactive bladder (OAB) alone or with bladder outlet obstruction. MAIN MESSAGE: OAB is urinary urgency with or without incontinence, often accompanied by frequency and nocturia, in the absence of urinary tract infection and can affect both men and women. Men often have co-existing OAB associated with bladder outlet obstruction, and benign prostatic hyperplasia...
October 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/29150195/anatomic-findings-associated-with-epispadias-in-boys-implications-for-surgical-management-and-urinary-continence
#9
M Cendron, P S Cho, M Pennison, I Rosoklija, D A Diamond, J G Borer
INTRODUCTION: Pre-operative physical examination of male epispadias allows for classification of epispadias level as glanular (GE), penile (PE) or penopubic (PPE), and for delineation of anatomic anomalies. The incidence of associated extragenital abnormalities, such as vesicoureteral reflux (VUR), bladder neck (BN) abnormality and abnormal pubic diastasis (PD), and their impact on urinary continence has not yet been systematically studied. OBJECTIVE: The goal of this study was to evaluate whether the more proximal level of epispadias correlated with associated extragenital anatomic anomalies seen on initial imaging or endoscopic evaluation, and whether these pre-operative findings contributed to subsequent surgical management and impacted on achieving urinary continence...
October 26, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29148015/clinical-performance-and-utility-of-a-nnmt-based-urine-test-for-bladder-cancer
#10
Valentina Pozzi, Giulia Di Ruscio, Davide Sartini, Roberto Campagna, Riccardo Seta, Paola Fulvi, Alexia Vici, Giulio Milanese, Gabriele Brandoni, Andrea B Galosi, Rodolfo Montironi, Monia Cecati, Monica Emanuelli
BACKGROUND: Bladder cancer (BC) represents the most common neoplasm of the urinary tract. Although cystoscopy and urine cytology represent the gold standard methods to monitor BC, both procedures have limitations. Therefore, the identification of reliable biomarkers for early and noninvasive detection of BC is urgently required. METHODS: In this study, we analyzed nicotinamide N-methyltransferase (NNMT) expression in urine samples from 55 BC patients and 107 controls, using real-time polymerase chain reaction (PCR)...
November 11, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/29147755/repair-of-a-vesicouterine-fistula-following-cesarean-section
#11
Rodolfo Milani, Alice Cola, Matteo Frigerio, Stefano Manodoro
INTRODUCTION AND HYPOTHESIS: Vesicouterine fistula is a rare complication of cesarean section. The aim of this video is to present a case report and to provide a tutorial on the surgical technique of delayed transvaginal repair of a high vesicouterine fistula that developed after cesarean section with manual removal of a morbidly adherent placenta. METHODS: A 43-year-old woman was referred to our unit for continuous urinary leakage 3 months after undergoing a cesarean section with manual removal of a morbidly adherent placenta...
November 16, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/29147754/vaginal-ultrasound-for-imaging-of-a-urinary-bladder-mass-and-treatment-of-a-large-leiomyoma-of-the-urinary-bladder-in-pregnancy
#12
Roman Zachoval, Kristyna Dukatova, Kamil Svabik
No abstract text is available yet for this article.
November 16, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/29146678/cross-organ-sensitisation-between-the-colon-and-bladder-to-pee-or-not-to-pee
#13
Luke Grundy, Stuart M Brierley
Chronic abdominal and pelvic pain are common, debilitating clinical conditions experienced by millions of patients around the globe. The origin of such pain commonly arises from the intestine and bladder, which share common primary roles; the collection, storage and expulsion of waste. These visceral organs are located in close proximity to one another, and also share common innervation from spinal afferent pathways. Chronic abdominal pain, constipation or diarrhoea are primary symptoms for patients with Irritable Bowel Syndrome (IBS) or Inflammatory Bowel Disease (IBD)...
November 16, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29146217/bladder-herpes-infection-in-a-patient-with-low-grade-non-muscle-invasive-bladder-cancer
#14
Pablo Garrido-Abad, Ariel Díaz-Menéndez, Manuel Fernández-Arjona
Bladder herpes is a very uncommon event related to herpes simplex virus infection. We report a 69-year-old man with 4-year history of bladder cancer who presented with presented with dysuria and urinary frequency. Cystoscopy showed erythematous lesion of the bladder mucosa that was biopsied and revealed multi-lobed nuclei with eosinophilic intranuclear inclusions, and presence of intracytoplasmic vacuoles that were suggestive of bladder involvement by herpes simplex virus (HSV). Different bladder disorders have been associated to herpes virus, but spontaneous resolution generally occurs in 1 to 2 months...
November 13, 2017: Urology
https://www.readbyqxmd.com/read/29145873/group-physiotherapy-compared-to-individual-physiotherapy-to-treat-urinary-incontinence-in-aging-women-study-protocol-for-a-randomized-controlled-trial
#15
Chantale Dumoulin, Mélanie Morin, Marie-Hélène Mayrand, Michel Tousignant, Michal Abrahamowicz
BACKGROUND: Urinary incontinence (UI), one of the most prevalent health concerns confronting women aged over 60 years, affects up to 55% of older community-dwelling women-20-25% with severe symptoms. Clinical practice guidelines recommend individualized pelvic floor muscle training (PFMT) as a first-line treatment for stress or mixed UI in women, although lack of human and financial resources limits delivery of this first-line treatment. Preliminary data suggest that group-based treatments may provide the answer...
November 16, 2017: Trials
https://www.readbyqxmd.com/read/29144628/overactive-bladder-syndrome-and-bladder-wall-thickness-in-patients-with-obstructive-sleep-apnea-syndrome
#16
Zahide Yilmaz, Bekir Voyvoda, Pinar Bekdik Şirinocak
OBJECTIVE: The main objective of the present study was to evaluate the presence of overactive bladder (OAB) syndrome, nocturia, urgency, and urge incontinence in patients with obstructive sleep apnea syndrome (OSAS), and measure bladder wall thickness (BWT) in these patients. MATERIALS AND METHODS: The patient group was composed of 38 patients with OSAS. The control group was composed of 15 healthy individuals. All patients were evaluated using the Epworth Sleepiness Scale (ESS) and Overactive Bladder Symptom Score (OABSS)...
November 19, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29143974/%C3%AE-h2ax-formation-in-the-urinary-bladder-of-rats-treated-with-two-norharman-derivatives-obtained-from-o-toluidine-and-aniline
#17
T Toyoda, Y Totsuka, K Matsushita, T Morikawa, N Miyoshi, K Wakabayashi, K Ogawa
Aminomethylphenylnorharman (AMPNH) and aminophenylnorharman (APNH) are mutagenic norharman derivatives obtained from o-toluidine and aniline, respectively. APNH is carcinogenic to the urinary bladder of rats and present in urine samples of healthy volunteers, indicating that norharman derivatives may be associated with cancer development in the urinary bladder of humans. To evaluate the possible role of AMPNH and APNH in bladder carcinogenesis, we examined the formation of γ-H2AX, a DNA damage response marker, in the urinary bladder of rats...
November 16, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/29142358/transitional-cell-carcinoma-of-urinary-bladder-manifesting-as-extensive-retroperitoneal-and-axillary-lymph-node-metastasis-an-extremely-rare-case-scenario-detected-by-18-f-fluorodeoxyglucose-positron-emission-tomography-scan
#18
Abhishek Purkayastha, Neelam Sharma, Rekha Vashisth, Braj Kishore
Transitional cell carcinoma (TCC) urinary bladder is known to metastasize to regional lymph nodes (LNs), liver, lung, bone, adrenal glands, and intestine. However, an asymptomatic TCC bladder manifesting as metastatic axillary LN mass and extensive retroperitoneal lymphadenopathy is rarely heard of. A 46-year-old male, smoker, presented with 8 cm × 6 cm right axillary swelling of 1-month duration. Aspiration cytology revealed metastatic deposits of poorly differentiated carcinoma favoring TCC. Metastatic evaluation with (18)F-fluorodeoxyglucose positron emission tomography ((18)FDG-PET) scan showed mass lesion urinary bladder, conglomerate right axillary mass and extensive retroperitoneal LNs with significant metabolic activity, biopsy from which revealed deposits of TCC...
October 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29141938/stimulation-of-the-sensory-pudendal-nerve-increases-bladder-capacity-in-the-rat
#19
James A Hokanson, Christopher L Langdale, Arun Sridhar, Warren M Grill
Pudendal nerve stimulation is a promising treatment approach for lower urinary tract dysfunction, including symptoms of overactive bladder. Despite some promising clinical studies, there remain many unknowns as to how best to stimulate the pudendal nerve to maximize therapeutic efficacy. We quantified changes in bladder capacity and voiding efficiency during single-fill cystometry in response to electrical stimulation of the sensory branch of the pudendal nerve in urethane-anesthetized female Wistar rats. Increases in bladder capacity were dependent on both stimulation amplitude and rate...
November 15, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29141625/microrna-profiling-of-dogs-with-transitional-cell-carcinoma-of-the-bladder-using-blood-and-urine-samples
#20
Michael S Kent, Allison Zwingenberger, Jodi L Westropp, Laura E Barrett, Blythe P Durbin-Johnson, Paramita Ghosh, Ruth L Vinall
BACKGROUND: Early signs of canine transitional cell carcinoma (TCC) are frequently assumed to be caused by other lower urinary tract diseases (LUTD) such as urinary tract infections, resulting in late diagnosis of TCC which could be fatal. The development of a non-invasive clinical test for TCC could dramatically reduce mortality. To determine whether microRNAs (miRNAs) can be used as non-invasive diagnostic biomarkers, we assessed miRNA expression in blood and/or urine from dogs with clinically normal bladders (n = 28), LUTD (n = 25), and TCC (n = 17)...
November 15, 2017: BMC Veterinary Research
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