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Urothelial carcinoma

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https://www.readbyqxmd.com/read/28820475/epcam-expression-in-lymph-node-metastases-of-urothelial-cell-carcinoma-of-the-bladder-a-pilot-study
#1
Christa A M van der Fels, Stefano Rosati, Igle J de Jong
In this retrospective pilot study, the feasibility of the epithelial cell adhesion molecule (EpCAM) as an imaging target for lymph node (LN) metastatic disease of urothelial cell carcinoma (UCC) of the bladder was investigated. LN metastases and LNs without metastases of patients who underwent pelvic lymph node dissection because of muscle invasive bladder cancer (MIBC) were used. Primary tumors of the same patients were used from cystectomy specimen, transurethral resections, and biopsies. A pathologist, blinded to clinical data, scored EpCAM immunoreactivity...
August 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28818526/which-patients-with-upper-tract-urothelial-carcinoma-can-be-safely-treated-with-conservative-treatment-by-flexible-ureteroscopy-with-holmium-yag-laser-photoablation-long-term-results-from-a-high-volume-institution
#2
Luca Villa, Mattieu Haddad, Umberto Capitanio, Bhaskar K Somani, Jonathan Cloutier, Steeve Doizi, Andrea Salonia, Alberto Briganti, Francesco Montorsi, Olivier Traxer
PURPOSE: To test the effects of tumour size, tumour distribution and tumour grade on progression-free survival (PFS) in patients with upper tract urothelial carcinoma (UTUC) treated with flexible ureteroscopy with Holmium:YAG laser photoablation (FULP). MATERIALS AND METHODS: Data from 92 consecutive UTUC patients treated with FULP (2003-2015) at a single tertiary care referral center were included. A stringent follow-up was offered according to the European Association Urological guidelines...
August 14, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28817753/efficacy-and-safety-of-durvalumab-in-locally-advanced-or-metastatic-urothelial-carcinoma-updated-results-from-a-phase-1-2-open-label-study
#3
Thomas Powles, Peter H O'Donnell, Christophe Massard, Hendrik-Tobias Arkenau, Terence W Friedlander, Christopher J Hoimes, Jae Lyun Lee, Michael Ong, Srikala S Sridhar, Nicholas J Vogelzang, Mayer N Fishman, Jingsong Zhang, Sandy Srinivas, Jigar Parikh, Joyce Antal, Xiaoping Jin, Ashok K Gupta, Yong Ben, Noah M Hahn
Importance: The data reported herein were accepted for assessment by the US Food and Drug Administration for Biologics License Application under priority review to establish the clinical benefit of durvalumab as second-line therapy for locally advanced or metastatic urothelial carcinoma (UC), resulting in its recent US approval. Objective: To report a planned update of the safety and efficacy of durvalumab in patients with locally advanced/metastatic UC. Design, Setting, and Participants: This is an ongoing phase 1/2 open-label study of 191 adult patients with histologically or cytologically confirmed locally advanced/metastatic UC whose disease had progressed on, were ineligible for, or refused prior chemotherapy from 60 sites in 9 countries as reported herein...
August 17, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28816366/modification-of-the-paris-system-for-urinary-tract-washing-specimens-using-diagnostic-cytological-features
#4
J Suh, H Go, C Sung, S Baek, H Hwang, S Jeong, Y Cho
OBJECTIVE: The Paris System (TPS), which was recently introduced, emphasised the key features of malignant urine cytology: a high nuclear to cytoplasmic ratio, nuclear hyperchromasia, irregular nuclear membranes and coarse chromatin. Although other diagnostic features have been described, the diagnostic significance of such features and their application to TPS have not been fully defined for urinary tract washing specimens. METHODS: A total of 142 cases of urinary tract washing specimens with corresponding surgical pathology samples were examined for the key features of TPS and 13 previously described features...
August 17, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28816298/-multiple-endoscopy-for-the-treatment-of-upper-urinary-tract-calculi-following-ileal-conduit-a-case-report-and-literature-review
#5
B Wang, J F Ye, L Zhao, H Bi, J Lu, L L Ma
Upper urinary tract calculi with infection is a quite difficult acute urologic emergency. And what is more, upper urinary tract obstruction after radical cystectomy following urinary diversion may be fatal in the vulnerable patients with this kind of situation. Postoperative anatomy and other factors affect the upper urinary tract calculi, and urinary tract infection greatly increased the risk. But it is particularly difficult to handle with patients with poor general condition and septic shock treatment, so how to optimize the selection program is worth further studying...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816279/-ureteroscope-can-assist-risk-stratification-in-upper-tract-urothelial-carcinoma
#6
R Z Ma, M Qiu, W He, B Yang, H Z Xia, D Zou, M Lu, L L Ma, J Lu
OBJECTIVE: To analyze the efficiency of ureteroscope and biopsy in the diagnosis of tumor grade, muscle-invasiveness and multifocality in suspected upper tract urinary carcinoma (UTUC) patients in order to find out whether it can be used in the risk stratification of UTUC patients. METHODS: A retrospective study of 76 UTUC patients who underwent preoperative ureteroscope and/or biopsy and received radical nephroureterectomy in Peking University Third Hospital during January 2014 to December 2016 was undertaken...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816276/-percutaneous-biopsy-of-the-renal-masses-under-ultrasound-a-single-center-14-years-experience
#7
Y X Zhang, X B Meng, L Yao, C J Zhang, G Song, L Cai, Z Zhang, X S Li, K Gong, S Q Li, G Z Shan, Q He, X Y Yang, Z S He, L Q Zhou
OBJECTIVE: To assess the diagnostic rate, safety and clinical application of percutaneous renal masses biopsy for advanced renal cell carcinoma patients. METHODS: In this retrospective study, we collected the data of renal masses from the patients who underwent renal masses biopsy under ultrasound from April 2001 to December 2014 in Peking University First Hospital. A total of 75 patients who were undiagnosed or diagnosed with advanced renal cell carcinoma by the imageological method were enrolled in this study...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816273/-prognostic-factors-of-patients-with-t2n0m0-upper-tract-urothelial-carcinoma-a-single-center-retrospective-study-of-235-patients
#8
B Guan, Z P Cao, D Peng, Y F Li, Y H Zhan, L B Liu, S M He, G Y Xiong, X S Li, L Q Zhou
OBJECTIVE: To evaluate the impacts of the prognostic factors of T2N0M0 upper tract urothelial carcinoma (UTUC) for Chinese patients. METHODS: A retrospective study was conducted including 235 patients who were diagnosed with T2N0M0 UTUC in our hospital and received radical nephroureterectomy (RNU) or partial ureterectomy during January 2000 and December 2013. The 3 and 5-year cancer-specific survival rates and bladder recurrence-free survival rates of all the patients were valued using Kaplan-Meier method, and the survival curves with statistical significance between the two were compared using the Log-rank test...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816270/-clinical-value-of-fluorescence-in-situ-hybridization-positive-of-exfoliated-urothelial-cells-in-urothelial-carcinoma
#9
J Y Liu, X Peng, X H Ning, T Li, S H Peng, J Y Wang, S J Liu, Y Ding, L Cai, K Gong
OBJECTIVE: To analyze the clinical pathologic characteristics of cases with fluorescence in situ hybridization (FISH) positive of exfoliated urothelial cells, so as to evaluate the clinical utility of FISH in the diagnosis of urothelial carcinoma (UC). METHODS: A total of 271 cases of FISH positive in Department of Urology of Peking University First Hospital from Apr. 2012 to Sep. 2015 were recruited in this study. Retrospective analysis was made on their clinical data...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28815726/differential-expression-profile-analysis-of-lncrna-uca1%C3%AE-regulated-mrnas-in-bladder-cancer
#10
Yu Wang, Hong Zhang, Xu Li, Wei Chen
Urothelial carcinoma associated 1α (UCA1α) is a novel long non-coding RNA (lncRNA) that regulates bladder cancer proliferation, migration, and invasion. The target genes of UCA1α have, however, not been identified. To address this, a pCDNA3.1(+)-UCA1α over-expression vector was transfected into UM-UC-2 bladder cancer cells. Genes differentially expressed between pCDNA3.1(+)-UCA1α and pCDNA3.1(+) transfected cell were then detected by microarray and bioinformatics analysis. A total of seventy-one differentially expressed genes were identified, including fifty-two up-regulated genes and nineteen down-regulated genes...
August 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28812131/dna-degrades-during-storage-in-formalin-fixed-and-paraffin-embedded-tissue-blocks
#11
Alice Guyard, Alice Boyez, Anaïs Pujals, Cyrielle Robe, Jeanne Tran Van Nhieu, Yves Allory, Julien Moroch, Odette Georges, Jean-Christophe Fournet, Elie-Serge Zafrani, Karen Leroy
Formalin-fixed paraffin-embedded (FFPE) tissue blocks are widely used to identify clinically actionable molecular alterations or perform retrospective molecular studies. Our goal was to quantify degradation of DNA occurring during mid to long-term storage of samples in usual conditions. We selected 46 FFPE samples of surgically resected carcinomas of lung, colon, and urothelial tract, of which DNA had been previously extracted. We performed a second DNA extraction on the same blocks under identical conditions after a median period of storage of 5...
August 15, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28812022/histopathologic-differences-between-jewish-and-arab-population-in-israel-at-first-time-presentation-with-bladder-cancer
#12
Ofir Avitan, Zaher Bahouth, Sarel Halachmi, Sagi Shprits, Ismail Masarwa, Edmond Sabo, Boaz Moskovitz, Ofer Nativ
BACKGROUND: Pathology of urothelial carcinoma may vary in different populations at diagnosis. Our aim was to evaluate the histopathologic differences between Jewish and Arab patients in Israel at first diagnosis of urothelial cancer. PATIENTS AND METHODS: We retrospectively collected data of all patients with confirmed urothelial cancer, treated at our department between January 2010 and January 2015. We examined the distribution of the histopathologic data among the studied populations...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28811979/pd-l1-blockade-for-urothelial-carcinoma
#13
EDITORIAL
Josephine Kang, Lorenzo Galluzzi
No abstract text is available yet for this article.
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28808621/von-brunn-s-nests-and-follicular-cystitis-following-intradetrusor-onabotulinumtoxina-injections-for-overactive-bladder
#14
Silpa Nekkanti, Andrew Doering, Debra L Zynger, Andrew F Hundley
A 67-year-old female with refractory OAB was treated with intradetrusor Botox. She subsequently developed multiple papillary bladder lesions with tissue biopsy showing Von Brunn's nests. Von Brunn's nests are benign bladder lesions similar in appearance to a rare urothelial tumor called Nested Variant of Urothelial Carcinoma (NVUC). It is critical that patients with these findings undergo evaluation to rule out the presence of carcinoma. This finding suggests the possibility of a previously unreported adverse reaction in association with intradetrusor Botox...
September 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28807631/chitosan-hydrochloride-has-no-detrimental-effect-on-bladder-urothelial-cancer-cells
#15
Tanja Višnjar, Urška Dragin Jerman, Peter Veranič, Mateja Erdani Kreft
Bladder cancer is among the most common and aggressive human malignant carcinomas, thus targeting and removal of bladder cancer cells is still a challenge. Although it is well known that chitosan hydrochloride (CH-HCl) causes desquamation of normal urothelial cells, its effect on cancer urothelial cells has not been recognized yet. In this in vitro study, we analyzed the cytotoxicity of 0.05% CH-HCl on three urothelial models: two cancer urothelial models, i.e. invasive and papillary urothelial neoplasms, and a normal urothelial model...
August 12, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28807337/evaluation-of-cd43-expression-in-non-hematopoietic-malignancies
#16
Bjorn H Batdorf, Steven H Kroft, Paul R Hosking, Alexandra M Harrington, Alexander C Mackinnon, Horatiu Olteanu
OBJECTIVES: CD43 is normally expressed only on the surface of leukocytes, and is considered a sensitive and specific marker for hematologic malignancies. As such, it may have diagnostic utility in confirming hematolymphoid lineage in cases that are negative for CD45. Aberrant CD43 expression has been described in non-hematopoietic tumors, although literature data on this topic is variable and sometimes contradictory. To clarify and expand on existing literature findings, we evaluated CD43 expression by immunohistochemistry (IHC) in a large cohort (307) of non-hematopoietic neoplasms, including poorly differentiated malignancies...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28807244/endoscopic-management-of-upper-tract-urothelial-carcinoma-improved-prediction-of-invasive-cancer-using-a-ureteroscopic-scoring-model
#17
Seong Soo Jeon, Hyun Hwan Sung, Hwang Gyun Jeon, Deok Hyun Han, Byong Chang Jeong, Seong Il Seo, Hyun Moo Lee, Han-Yong Choi
BACKGROUND: The aim of this study was to investigate clinical and ureteroscopic factors considered as important for the prediction of invasive upper tract urothelial carcinoma (UTUC) and establish a model using a new ureteroscopic scoring. METHODS: We analyzed tumor depth and grade from ureteroscopic biopsies in 172 patients who underwent imaging studies, urine cytology, and radical nephroureterectomy. Invasive UTUC was defined as muscle-invasive or non-organ confined tumors...
September 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28805264/large-nested-variant-of-urothelial-carcinoma-a%C3%A2-clinicopathological-study-of-36-cases
#18
Eva Compérat, Jesse K McKenney, Arndt Hartmann, Ondrej Hes, Simone Bertz, Justine Varinot, Fadi Brimo
AIMS: The large nested variant of urothelial carcinoma (LNUC) has been added to the World Health Organization (WHO) 2016 classification. Scant data exist, and little is known about its clinical behaviour. MATERIAL AND RESULTS: Cases fulfilling the morphological criteria of LNUC were collected. Pure and mixed cases (i.e. with other patterns of invasive UC) were studied. Immunohistochemical staining with cytokeratin (CK)7, p63, GATA-3, CK20, p53 and Ki-67 was performed...
June 9, 2017: Histopathology
https://www.readbyqxmd.com/read/28803791/squamous-differentiation-predicts-poor-response-to-cisplatin-based-chemotherapy-and-unfavorable-prognosis-in-urothelial-carcinoma-of-the-urinary-bladder
#19
Akinori Minato, Naohiro Fujimoto, Tatsuhiko Kubo
OBJECTIVE: The efficacy of chemotherapy on UCSD is not known. This study was conducted to investigate the efficacy of cisplatin-based chemotherapy and prognosis of patients with UC with or without SD of the bladder. METHODS: Patients with invasive bladder cancer (clinical T3-4aN0M0) who were treated between March 2003 and March 2015 with 2 or 3 cycles of neoadjuvant chemotherapy followed by radical cystectomy were retrospectively evaluated. Treatment outcomes were compared for each pathologic type in UCSD and pure UC...
July 22, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28803701/contemporary-practice-patterns-and-survival-outcomes-for-locally-advanced-urethral-malignancies-a-national-cancer-database-analysis
#20
David B Cahn, Elizabeth Handorf, Benjamin T Ristau, Daniel M Geynisman, Jay Simhan, Alexander Kutikov, Richard E Greenberg, Rosalia Viterbo, David Y T Chen, Robert G Uzzo, Marc C Smaldone
PURPOSE: Primary urethral carcinoma (PUC) has an aggressive natural history; however, controversy exists regarding the role of multimodal therapy for its treatment. Our objective was to examine practice patterns and survival outcomes for locally advanced urethral cancers. METHODS: The National Cancer Database was queried for patients with T2-4 or N1-2M0 PUC with urothelial, squamous, or adenocarcinoma histology from 2004 to 2013. Temporal trends for receipt of local or definitive surgery, radiotherapy (XRT), and systemic therapy were assessed...
August 10, 2017: Urologic Oncology
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