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https://www.readbyqxmd.com/read/27919138/-modified-toyoda-method-for-complete-duplex-ureters-in-tubeless-cutaneous-ureterostomy-report-of-a-case
#1
Chul Jang Kim, Ryo Fujiwara, Hiroto Yamashita
A 65-year-old man underwent radical cystectomy and cutaneous ureterostomy for bladder cancer. Because the patient had left complete duplex ureters,we modified the Toyoda method to construct the tubeless cutaneous ureterostomy with a unilateral stomal creation. The adhesive portion of both ureteral walls in duplex ureters was simultaneously cut approximately 5 mm from the distal end longitudinally,and the common sheath of the cut portion of the ureters was cut approximately 5 mm longitudinally in order to separate the two ureters...
November 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/27914244/surgical-treatment-and-histopathological-assessment-of-advanced-cervicovaginal-carcinoma-a-prospective-study-and-retrospective-analysis
#2
Michael Höckel, Benjamin Wolf, Bettina Hentschel, Lars-Christian Horn
BACKGROUND: Standard treatment of advanced cervicovaginal cancer [international federation of gynecology and obstetrics (FIGO) stages II(B), III(A, B), IVA] is (chemo-)radiation excluding the possibility of systematic histopathological assessment of locoregional tumour spread. Laterally extended endopelvic resection (LEER) and therapeutic lymph node dissection (tLND) are novel surgical treatment options for advanced cervicovaginal cancer. METHODS: The therapeutic efficacy of LEER for locally advanced primary and recurrent cervicovaginal cancer was reassessed by an update of the prospective observational trial at the University of Leipzig...
November 30, 2016: European Journal of Cancer
https://www.readbyqxmd.com/read/27868098/neuroendocrine-tumor-of-the-ureter-a-zebra-among-horses
#3
Akshay Sood, Sean R Williamson, David A Leavitt
Primary neuroendocrine tumors of the upper urinary tract are extremely rare. We report a case of de novo small cell carcinoma of the ureter that presented masquerading as a distal ureteral stone. A 55-year-old lady presented to our clinic with 1 month history of right lower back pain and hematuria. Her history was notable for stage 1B mixed clear cell-endometroid cancer of the uterus status post radical abdominal hysterectomy with adjuvant radiotherapy, 7 years before the current episode. The patient had no evidence of recurrence...
2016: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/27862740/poor-immune-reconstitution-is-associated-with-symptomatic-bk-polyomavirus-viruria-in-allogeneic-stem-cell-transplant-recipients
#4
Ala Abudayyeh, Amir Hamdi, Maen Abdelrahim, Heather Lin, Valda D Page, Gabriela Rondon, Borje S Andersson, Aimaz Afrough, Charles S Martinez, Jeffrey J Tarrand, Dimitrios P Kontoyiannis, David Marin, A Osama Gaber, Betul Oran, Roy F Chemaly, Sairah Ahmed, Islam Abudayyeh, Amanda Olson, Roy Jones, Uday Popat, Richard E Champlin, Elizabeth J Shpall, Katayoun Rezvani
BACKGROUND: BK polyomavirus (BKPyV) infections are known indicators of immune suppression in hematopoietic stem cell transplant (HSCT) recipients; they can lead to hemorrhagic cystitis, ureteral stenosis, renal dysfunction, and prolonged hospital stays. In this study, we determined transplant-associated variables and immune parameters that can predict for the risk of BKPyV viruria. We hypothesized that BKPyV infection is a marker of poor immune recovery. METHODS: We analyzed all engrafted patients undergoing first allogeneic HSCT at MD Anderson Cancer Center in Houston between January 2004 and December 2012...
November 14, 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/27785465/ureteroiliac-artery-fistula-caused-by-a-metallic-memokath-ureteral-stent-in-a-radiation-induced-ureteral-stricture
#5
Krishanu Das, Flavio Ordones, Sumudu Welikumbura, Nicholas R Brook
Background: Memokath 051™ stents are increasingly used for management of benign and malignant ureteral strictures refractory to management with single or tandem polymeric Double-J ureteral stents. Migration, encrustation, and difficulty in extraction during stent exchange are the chief problems reported so far with these thermoexpandable metallic stents. We report an unusual complication of ureteroexternal iliac artery fistula (UEAF) caused by Memokath stent inserted for radiation-induced ureteral stricture...
2016: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/27774410/analyzing-clinical-outcomes-in-laparoscopic-right-vs-left-colectomy-in-colon-cancer-patients-using-the-nsqip-database
#6
Valentine Nfonsam, Hassan Aziz, Viraj Pandit, Mazhar Khalil, Jana Jandova, Bellal Joseph
INTRODUCTION: Optimization of surgical outcomes after colectomy continues to be actively studied, but most studies group right-sided and left-sided colectomies together. The aim of our study was to determine whether the complication rate differs between right-sided and left-sided colectomies for cancer. METHODS: We identified patients who underwent laparoscopic colectomy for colon cancer between 2005 and 2010 in the American College of Surgeons National Surgical Quality Improvement Program database and stratified cases by right and left side...
2016: Cancer Treatment Communications
https://www.readbyqxmd.com/read/27760608/-clinicopathologic-characteristics-and-prognosis-of-upper-tract-urothelial-carcinoma-an-analysis-of-368-radical-nephroureterectomy-specimens
#7
Y Wang, H Y He
Objective: To evaluate the epidemiology, clinicopathological features and prognosis in upper tract urothelial carcinoma (UTUC) patients. Methods: All archival 368 UTUC cases that underwent radical nephroureterectomy between September 1999 and October 2014 were reviewed, and their clinicopathological features were analyzed. Follow-up time was 1-216 months, with a mean follow-up of 41 month. Results: One hundred and twenty-eight male and 240 female patients were included, with a mean age of 68 years ranging from 31 to 88 years...
October 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/27744426/sorafenib-inhibits-renal-fibrosis-induced-by-unilateral-ureteral-obstruction-via-inhibition-of-macrophage-infiltration
#8
Wenting Ma, Le Tao, Xuefei Wang, Qinyi Liu, Wei Zhang, Qiuying Li, Chunfeng He, Dongying Xue, Jie Zhang, Cheng Liu
AIMS: Sorafenib, which has been used extensively for the treatment of renal cell cancer and advanced hepatocellular carcinoma (HCC), has also been shown to have antifibrotic effects in liver fibrosis. However, the effects of sorafenib on renal fibrosis are unknown. Therefore, we investigated whether sorafenib inhibited renal fibrosis in a mouse model of unilateral ureteral obstruction (UUO) and further explored the potential mechanism. METHODS: Mice underwent UUO followed by vehicle or sorafenib treatment...
October 17, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27736158/long-term-outcomes-of-double-layered-polytetrafluoroethylene-membrane-covered-self-expandable-segmental-metallic-stents-uventa-in-patients-with-chronic-ureteral-obstructions-is-it-really-safe
#9
Myong Kim, Bumsik Hong, Hyung Keun Park
PURPOSE: To evaluate the long-term clinical efficacy and safety of double-layered polytetrafluoroethylene membrane-covered self-expandable segmental metallic stents (Uventa) in patients with chronic ureteral obstruction. MATERIALS AND METHODS: In a retrospective study, a total of 50 ureter units (44 patients) with chronic obstructions were included from July 2010 to May 2015. Indications for Uventa placement were primary stenting for malignant ureteral obstruction, failed conventional polymeric Double-J stent (PS), or percutaneous nephrostomy (PCN) technique, with comorbidities or fears limiting PS/PCN changes, or with irritation or pain due to PS/PCN...
December 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27730305/androgen-receptor-expression-is-associated-with-adverse-pathological-features-in-ureteral-but-not-in-pelvicalyceal-urothelial-carcinomas-of-the-upper-urinary-tract
#10
G J Wirth, A Haitel, M Moschini, F Soria, T Klatte, M R Hassler, K Bensalah, A Briganti, J A Karam, Y Lotan, V Margulis, J D Raman, M Remzi, N Rioux-Leclercq, B D Robinson, M Rouprêt, C G Wood, S F Shariat
PURPOSE: This study aims to determine the significance of androgen receptor (AR) expression in urothelial carcinoma of the upper urinary tract (UTUC). METHODS: AR expression was assessed on tissue microarrays containing specimens of 737 patients with UTUC who underwent radical nephroureterectomy with curative intent. AR expression was correlated with clinical and pathological tumor features as well as recurrence-free survival (RFS), cancer-specific survival (CSS) and overall survival (OS)...
October 11, 2016: World Journal of Urology
https://www.readbyqxmd.com/read/27714520/the-use-of-transureteroureterostomy-during-ureteral-reconstruction-for-advanced-primary-or-recurrent-pelvic-malignancy-in-the-era-of-multimodal-therapy
#11
Junichiro Kawamura, Masaki Tani, Kimiaki Sumida, Takefumi Yazawa, Junya Kawasoe, Michihiro Yamamoto, Hideki Harada, Hidekazu Yamamoto, Masazumi Zaima
PURPOSE: Cancerous involvement of a ureter is sometimes encountered in pelvic surgery for malignancy. We usually perform transureteroureterostomy (TUU) in cases of unilateral lower ureteral cancerous involvement. We report the outcomes in patients treated with TUU in our institute. METHODS: We retrospectively reviewed the medical records of 11 patients who underwent TUU between June 2006 and September 2015. RESULTS: The primary disease was colon cancer in five patients, rectal cancer in four, and uterine cervical cancer and ovarian cancer in one patient each...
October 6, 2016: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/27698807/negative-pathology-of-ureteral-carcinoma-significantly-delaying-the-diagnosis-of-the-primary-tumor-of-osteoblastic-metastases-a-case-report-and-review-of-the-literature
#12
Ya-Lan Wu, Yong-Mei Liu, Hui-Jiao Chen, Yong-Sheng Wang, You Lu
Ureteral urothelial carcinoma (UC) is a rare malignant tumor. The most common clinical manifestations of ureteral UC are hematuria, increased urinary frequency, dysuria and pain. The diagnosis of ureteral UC is made via radiography, endoscopy and pathology. Although osteoblastic destruction is usually observed in metastasis of prostate cancer, UC can also be a reason for osteoblastic metastasis. The present study reports the case of a 66-year-old man presenting with osteoblastic metastases, in which the primary tumor was finally diagnosed as a ureteral UC...
October 2016: Oncology Letters
https://www.readbyqxmd.com/read/27666815/role-of-galectin-3-in-autoimmune-and-non-autoimmune-nephropathies
#13
Francesca Saccon, Mariele Gatto, Anna Ghirardello, Luca Iaccarino, Leonardo Punzi, Andrea Doria
Galectins are evolutionary conserved β-galactoside binding proteins with a carbohydrate-recognition domain (CRD) of approximately 130 amino acids. In mammals, 15 members of the galectin family have been identified and classified into three subtypes according to CRD organization: prototype, tandem repeat-type and chimera-type galectins. Galectin-3 (gal-3) is the only chimera type galectin in vertebrates containing one CRD linked to an unusual long N-terminal domain which displays non-lectin dependent activities...
September 23, 2016: Autoimmunity Reviews
https://www.readbyqxmd.com/read/27649113/the-burden-of-chronic-ureteral-stenting-in-cervical-c%C3%A3-ncer-survivors
#14
Robert A Goldfarb, Yunhua Fan, Stephanie Jarosek, Sean P Elliott
PURPOSE: Ureteral obstruction in cervical cancer occurs in up to 11% of patients, many of whom undergo ureteral stenting. Our aim was to describe the patient burden of chronic ureteral stenting in a population-based cohort by detailing two objectives: (1) the frequency of repeat procedures for ureteral obstruction; and, (2) the frequency of urinary adverse effects (UAEs) (e.g., lower urinary tract symptoms, flank pain). MATERIALS AND METHODS: From SEER-Medicare, we identified 202 women who underwent ureteral stent placement prior to or following cervical cancer treatment...
September 20, 2016: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/27630388/outcome-of-radical-retropubic-prostatectomy-at-the-lagos-state-university-teaching-hospital
#15
Stephen Odunayo Ikuerowo, Alaba Fredrick Doherty, Muftau Jimoh Bioku, Abimbola Ayodeji Abolarinwa, Adekunle Azeez Adebayo, Steves Olaide Oyeleke, Olufunmilade Akinfolarin Omisanjo
BACKGROUND: Prostate cancer is the most commonly diagnosed cancer in men in Nigeria and most cases present when the disease is already in an advanced stage. Radical prostatectomy for early prostate cancer is therefore not a commonly performed operation by urologists in Nigeria. We have had training and significant experience in radical retropubic prostatectomy. We, therefore, report the outcome of our initial experience. MATERIALS AND METHODS: We review the record of men with early prostate cancer who had radical retropubic prostatectomy in our institution from 2007 to 2015...
July 2016: Nigerian Medical Journal: Journal of the Nigeria Medical Association
https://www.readbyqxmd.com/read/27630347/feasibility-and-safety-of-laparoscopic-total-mesometrial-resection-in-early-stage-cervical-cancer
#16
Sara Nasser, Jumana Almuheimid, Helmut Plett, Jalid Sehouli, Mustafa Zelal Muallem
AIM: In this study we aimed to analyze the safety and feasibility of total mesometrial resection (TMMR) using the laparoscopic approach. PATIENTS AND METHODS: Laparoscopic TMMR and pelvic lymphadenectomy (LNE) was carried out in 34 patients with cervical cancer FIGO IA-IIB from April 2012-April 2016 at our tertiary center. Para-aortic LNE was performed when indicated. The main outcomes included surgical margins, a number of retrieved lymph node, intra- and post-operative complications, and recurrence rates...
September 2016: Anticancer Research
https://www.readbyqxmd.com/read/27592221/carcinoma-arising-in-enteric-diversion-or-rectal-neobladder-for-bladder-exstrophy
#17
R Ragu, G Meurette, M Kim, L Le Normand, P A Lehur
Bladder exstrophy is a rare malformation. Ureteral diversion, such as ureterosigmoidostomy or a neorectal bladder, has been described. When the patients reach adulthood, cancer may arise in these reconstructions. Our aim was to perform a systematic review (all languages) of the published literature on neoplasia after urinary diversion and suggested management in cases of cancer. PubMed and Cochrane library were searched for relevant articles published within the last 20 years. All identified articles were reviewed for inclusion...
September 3, 2016: Techniques in Coloproctology
https://www.readbyqxmd.com/read/27590593/drug-eluting-biodegradable-ureteral-stent-new-approach-for-urothelial-tumors-of-upper-urinary-tract-cancer
#18
Alexandre A Barros, Shane Browne, Carlos Oliveira, Estevão Lima, Ana Rita C Duarte, Kevin E Healy, Rui L Reis
Upper urinary tract urothelial carcinoma (UTUC) accounts for 5-10% of urothelial carcinomas and is a disease that has not been widely studied as carcinoma of the bladder. To avoid the problems of conventional therapies, such as the need for frequent drug instillation due to poor drug retention, we developed a biodegradable ureteral stent (BUS) impregnated by supercritical fluid CO2 (scCO2) with the most commonly used anti-cancer drugs, namely paclitaxel, epirubicin, doxorubicin, and gemcitabine. The release kinetics of anti-cancer therapeutics from drug-eluting stents was measured in artificial urine solution (AUS)...
August 31, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27579412/transperitoneal-robot-assisted-radical-prostatectomy-should-be-considered-in-prostate-cancer-patients-with-pelvic-kidneys
#19
Sophie Plagakis, Darren Foreman, Peter Sutherland, Andrew Fuller
We highlight two cases of transperitoneal robot-assisted radical prostatectomy (RARP) in patients with pelvic kidneys because of congenital development and renal transplant. These uncommon cases present a challenge to the surgeon contemplating surgery because of access and anomalous vascular and ureteral anatomy. We describe the technical considerations that are paramount in effectively completing transperitoneal RARP, and believe it should be considered as a treatment option in men with pelvic kidneys.
2016: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/27579408/renal-papillary-necrosis-appearing-as-bladder-cancer-on-imaging
#20
Lawrence M Dagrosa, Fady Ghali, Elizabeth Ann Gormley
A 79-year-old woman with a history of diabetes mellitus and recurrent urinary tract infections (UTIs) presented with acute onset left lower quadrant pain, left-sided back pain, vomiting, and dysuria. Abdominopelvic CT scan revealed left hydroureteronephrosis to the level of the left ureterovesical junction (UVJ) where a bladder mass appeared to be obstructing the left ureteral orifice. The obstruction was ultimately found to be the result of a sloughed renal papilla lodged in the distal ureter, which created an inflammatory mass at the UVJ...
2016: Journal of Endourology Case Reports
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