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ureteral stricture

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https://www.readbyqxmd.com/read/29325445/the-morbidity-of-ureteral-strictures-in-patients-with-prior-ureteroscopic-stone-surgery-multi-institutional-outcomes
#1
Philip Clark May, Ryan S Hsi, Henry H Tran, Marshall Stoller, Ben H Chew, Thomas Chi, Manint Usawachintachit, Brian D Duty, John L Gore, Jonathan D Harper
Purpose Nephrolithiasis is an increasingly common ailment in the United States. Ureteroscopic management has supplanted shockwave lithotripsy as the most common treatment of upper tract stone disease. Ureteral stricture is a rare but serious complication of stone disease and its management. The impact of new technologies and more widespread ureteroscopic management on stricture rates is unknown. We describe our experience in managing strictures incurred following ureteroscopy for upper tract stone disease. Materials and methods Records for patients managed at 4 tertiary care centers between December 2006 and October 2015 with the diagnosis of ureteral stricture following ureteroscopy for upper tract stone disease were retrospectively reviewed...
January 12, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29288007/overexpression-of-semaphorin-3a-in-patients-with-urothelial-cancer
#2
Zahava Vadasz, Jacob Rubinstein, Jacob Bejar, Hilla Sheffer, Sarel Halachmi
OBJECTIVE: A highly sensitive and specific urine marker for the detection of recurrent urothelial cancer and for screening healthy population or people at risk for urothelial cancer has not been found yet. As urine cytology is not sensitive enough, patients with non-muscle-invasive bladder cancer need lifelong follow-up involving multiple invasive cystoscopies. Our aims of study were to examine the expression of semaphorin 3A in urothelial cancer patients and to evaluate semaphorin 3A as a potential marker for urothelial cancer...
December 26, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/29279868/uretero-arterio-enteric-fistula-formation-and-stent-thrombosis-after-endovascular-treatment-of-ureteroarterial-fistula-a-case-report-and-review-of-literature
#3
Hailiu Yang, Ricardo Rios, Joseph Lombardi, Dean Matthew Marella, Allen D Seftel
Background: Ureteroarterial fistulas (UAFs) are rare life-threatening complications of indwelling ureteral stents. Endovascular repair of these fistulas is now commonly used but the long-term outcomes are unknown. Case Presentation: We present a 51-year-old African American female with history of cervical cancer status after a hysterectomy and radiation. She has bilateral ureteral strictures that were managed with chronic, indwelling ureteral stents. She subsequently developed a right UAF and was treated with an endovascular stent to the external iliac artery...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/29239749/robotic-ureteral-reconstruction-using-buccal-mucosa-grafts-a-multi-institutional-experience
#4
Lee C Zhao, Aaron C Weinberg, Ziho Lee, Mark J Ferretti, Harry P Koo, Michael J Metro, Daniel D Eun, Michael D Stifelman
BACKGROUND: Minimally invasive treatment of long, multifocal ureteral strictures or failed pyeloplasty is challenging. Robot-assisted buccal mucosa graft ureteroplasty (RBU) is a technique for ureteral reconstruction that avoids the morbidity of bowel interposition or autotransplantation. OBJECTIVE: To evaluate outcomes for RBU in a multi-institutional cohort of patients treated for revision ureteropelvic junction obstruction and long or multifocal ureteral stricture at three tertiary referral centers...
November 24, 2017: European Urology
https://www.readbyqxmd.com/read/29230940/the-effects-of-recreational-ketamine-cystitis-on-urinary-tract-reconstruction-a-surgical-challenge
#5
Néha Sihra, Jeremy Ockrim, Dan Wood
OBJECTIVES: To identify the rate of post-operative complications in patients who require surgical reconstruction for ketamine-induced urinary tract dysfunction and to identify any predictors for poor post-operative outcome with subsequent management strategies. MATERIALS AND METHODS: A retrospective review of data collected between 2007 and 2017 was performed. Evaluation included CT urogram, cystoscopy and biopsy. Indications and outcomes for surgical intervention were assessed...
December 12, 2017: BJU International
https://www.readbyqxmd.com/read/29216663/-reconstructive-surgery-of-ureteral-stricture-disease
#6
Axel Heidenreich, Markus Grabbert, Tobias Kohl, David Pfister
No abstract text is available yet for this article.
December 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/29201177/diagnostic-value-of-64-slice-spiral-computed-tomography-imaging-of-the-urinary-tract-during-the-excretory-phase-for-urinary-tract-obstruction
#7
De-Li Zhao, Guang-Sheng Jia, Peng Chen, Xin-Ding Liu, Sheng-Jie Shu, Zai-Sheng Ling, Ting-Ting Fan, Xiu-Fen Shen, Jin-Ling Zhang
The present study aimed to assess the diagnostic value of 64-slice spiral computed tomography (CT) imaging of the urinary tract during the excretory phase for urinary tract obstruction. CT imaging of the urinary tract during the excretory phase was performed in 46 patients that had been diagnosed with urinary tract obstruction by B-mode ultrasound imaging or clinical manifestations. It was demonstrated that out of the 46 patients, 18 had pelvic and ureteral calculi, 12 cases had congenital malformations, 3 had ureteral stricture caused by urinary tract infection and 13 cases had malignant tumors of the urinary tract...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29195830/retrograde-intrarenal-surgery-using-ureteral-access-sheaths-is-a-safe-and-effective-treatment-for-renal-stones-in-children-weighing-20%C3%A2-kg
#8
Alfredo Berrettini, Luca Boeri, Emanuele Montanari, Mirella Mogiatti, Pietro Acquati, Elisa De Lorenzis, Andrea Gallioli, Erika Adalgisa De Marco, Dario Guido Minoli, Gianantonio Manzoni
INTRODUCTION: Surgical treatment of pediatric kidney stones has changed dramatically in recent years because of the miniaturization of surgical instruments and the availability of intracorporeal lithotripters. The retrograde intrarenal surgery (RIRS) technique is nowadays considered an effective and safe procedure but studies in very young children are lacking and use of a ureteral access sheath (UAS) has also been debated. OBJECTIVE: To assess safety and efficacy of RIRS using UAS in children weighing < 20 kg...
November 11, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29188324/total-vaginectomy-and-urethral-lengthening-at-time-of-neourethral-prelamination-in-transgender-men
#9
Carlos A Medina, Lydia A Fein, Christopher J Salgado
INTRODUCTION AND HYPOTHESIS: For transgender men (TGM), gender-affirmation surgery (GAS) is often the final stage of their gender transition. GAS involves creating a neophallus, typically using tissue remote from the genital region, such as radial forearm free-flap phalloplasty. Essential to this process is vaginectomy. Complexity of vaginal fascial attachments, atrophy due to testosterone use, and need to preserve integrity of the vaginal epithelium for tissue rearrangement add to the intricacy of the procedure during GAS...
November 29, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/29158031/robot-assisted-renal-transplantation-using-the-retroperitoneal-approach-rart-with-more-than-one-year-follow-up-description-of-the-technique-and-results
#10
F Bruyère, B Pradère, B Faivre d'Arcier, J-M Boutin, M Buchler, N Brichart
OBJECTIVES: To describe the technique and report our first experience of robotic-assisted renal transplantation (RART) with more than one year follow up. PATIENTS AND METHODS: In our center the first case of RART was realized in October 2013 with a cadaveric graft. We used the combined extra- and intraperitoneal robot assisted laparoscopic route with extraperitoneal positioning of the graft and intraperitoneal transplantation. The patient was placed in the supine position with arms along the body; the robot came from the right inferior part of the patient...
November 17, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/29153902/robotic-buccal-mucosal-graft-ureteroplasty-for-complex-ureteral-stricture
#11
Sohrab Arora, Logan Campbell, Mouafak Tourojman, Daniel Pucheril, Lamont R Jones, Craig Rogers
OBJECTIVE: To demonstrate robot-assisted ureterolysis and buccal mucosal graft (BMG) ureteroplasty for the management of a complex, long recurrent ureteral stricture developing after ureterolysis, and also to demonstrate the use of near-infrared fluorescence (NIRF) imaging and intraoperative ureteroscopy during this procedure. METHODS: A 58-year-old man with a history of cabergoline treatment and a cardiac catheterization through the left groin presented with left flank pain and hydronephrosis...
December 2017: Urology
https://www.readbyqxmd.com/read/29151118/semi-rigid-ureteroscopy-indications-tips-and-tricks
#12
REVIEW
Lily A Whitehurst, Bhaskar K Somani
Advances in ureteroscopic technology, alongside broadening treatment options have fuelled the rapid expansion of endourology. Semi-rigid ureteroscopy is a well-known procedure used globally for varying urological conditions, with high success rates. This article aims to provide 'tips and tricks' for the semi-rigid ureteroscopy procedure, and the management of commonly encountered pathology such as renal stones, ureteric strictures, and urothelial tumours.
November 18, 2017: Urolithiasis
https://www.readbyqxmd.com/read/29118551/importance-of-lower-pole-nephrectomy-during-ureterocalicostomy
#13
Anubhav Raj, Sharmad Kudchadker, Varun Mittal, Sandeep Nunia, Anil Mandhani
Ureterocalicostomy is usually a salvage procedure for recurrent pelvi-ureteric junction (PUJ) stricture or upper ureteric injury. It requires meticulous dissection of the upper ureter, and lower pole nephrectomy is considered an essential step to achieve a wide funneled and dependent ureterocaliceal anastomosis. We, hereby, highlight the importance of guillotine lower pole nephrectomy through a case report of recurrent PUJ stricture managed with ureterocalicostomy that failed due to the omission of lower pole nephrectomy...
October 2017: Urology Annals
https://www.readbyqxmd.com/read/29101764/renal-autotransplantation-in-metachronous-solitary-contralateral-ureteral-metastasis-from-renal-cell-carcinoma-a-case-report
#14
Katharina Bretterbauer, Martin Drerup, Stefan Heidler, Georg Lösch, Walter Albrecht
Ureteral metastasis of renal cell carcinoma (RCC) is rare and usually confined to the ipsilateral ureter. In literature, about 50 cases have been reported so far. Of these, only 14 metastasized metachronously to the contralateral ureter.A seventy-one-year-old man was hospitalized with recurrent painless severe haematuria. Seven years previously, he had undergone radical nephrectomy of the right kidney due to a clearcell renal cell carcinoma (cRCC), Fuhrman grad 2. Intravenous urography and a retrograde ureterogram revealed a filling defect (25 mm) in the left distal ureter, which we expected to be an urothelial carcinoma...
November 4, 2017: Urology Journal
https://www.readbyqxmd.com/read/29082328/schistosomiasis-a-disobedient-ureter-a-disobedient-diagnosis
#15
Pallavi Olivia Pal, Richard Daron Smith, Sian Allen, Marzena Ratynska, Simon Edwards, Philip Gothard, Sarah Logan
Background: Schistosomiasis is rare in western countries, but remains a potentially serious disease. It is known to result in severe urogenital complications; prompt diagnosis can therefore significantly affect outcomes. Case Presentation: We report the case of a 41-year-old male with pleuritic chest pain and visible hematuria who had emigrated from Zimbabwe to the United Kingdom 20 years previously. CT imaging revealed a hydronephrotic right pelvicaliceal system, with a dilated ureter to its distal portion...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/29067040/long-term-outcomes-of-laparoscopic-and-open-modified-lich-gregoir-reimplantation-in-adults-a-multicentric-comparative-study
#16
Arda Atar, Mithat Eksi, Ahmet Faysal Güler, Murat Tuncer, Fatih Akkas, Volkan Tugcu
BACKGROUND & OBJECTIVE: Obstructive ureteral pathologies in adult patients are most commonly due to ureteral strictures and secondary to surgical interventions. In this study, we aimed to compare open and laparoscopic modified Lich-Gregoir ureteral reimplantation with regards to outcomes in benign ureteral pathologies in adult patients. METHODS: Between December 2008 and December 2014, 32 open cases and 29 laparoscopic cases were performed as per the data retrieved from surgical databases...
July 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29058592/ureteral-reconstruction-using-a-tapered-non-vascularized-bladder-graft-an-experimental-study-in-a-canine-animal-model
#17
Lujia Zou, Shanhua Mao, Shenghua Liu, Limin Zhang, Tian Yang, Yun Hu, Qiang Ding, Haowen Jiang
BACKGROUND: Reconstruction of ureteral defects and strictures remains problematic for urologists. We aimed to investigate the possibility of a tapered non-vascularized bladder graft as a novel substitute for ureteral reconstruction. METHODS: This experimental study was conducted on nine beagles. Under general anesthesia, a full-thickness graft with 5-6 cm in length was disassociated from the anterior upper wall of the bladder, and tapered into 1/3 to 1/2 thickness, remaining the urothelial surface...
October 23, 2017: BMC Urology
https://www.readbyqxmd.com/read/29039894/ureteral-orifice-involvement-by-urothelial-carcinoma-long-term-oncologic-and-functional-outcomes
#18
Muammer Altok, Ali F Sahin, Mehmet I Gokce, Gokhan R Ekin, Rauf Taner Divrik
PURPOSE: Bladder cancer (BC) may involve the ureteral orifice, and the resection of the orifice has oncological and functional consequences such as development of upper tract urothelial carcinoma (UTUC), vesicoureteral reflux or ureteral stenosis. The aim of this study was to investigate the oncological and functional outcomes of the ureteral orifice resection in BC patients and determine the predictive factors for UTUC development. MATERIALS AND METHODS: A total of 1359 patients diagnosed with BC, between 1992 and 2012, were reviewed retrospectively...
October 17, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28977111/is-a-safety-guidewire-needed-for-retrograde-ureteroscopy
#19
Wilson Rica Molina, Rodrigo R Pessoa, Rodrigo Donalísio da Silva, Diedra Gustafson, Leticia Nogueira, Alex Meller
INTRODUCTION: It is generally advised to have a safety guidewire (SGW) present during ureteroscopy (URS) to manage possible complications. However, it increases the strenght needed to insert and retract the endoscope during the procedure, and, currently, there is a lack of solid data supporting the need for SGW in all procedures. We reviewed the literature about SGW utilization during URS. METHOD: A review of the literature was conducted through April 2017 using PubMed, Ovid, and The Cochrane Library databases to identify relevant studies...
August 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28967059/bilateral-hydroureteronephrosis-with-renal-failure-caused-by-malacoplakia
#20
Barbara Cavallone, Armando Serao, Patrizia Audino, Andrea Di Stasio, Donatella Tiranti, Paolo Vota
INTRODUCTION: Malacoplakia is a rare chronic inflammatory disease that most commonly involves the genitourinary tract with a wide spectrum of clinical presentation. CASE DESCRIPTION: A 65-year-old woman presented with obstructive nephropathy with bilateral hydroureteronephrosis. Bilateral nephrostomy-tube placement saw an improvement in her renal function. A computerized tomography (CT) scan with contrast showed suspect lesions in the bladder, which were confirmed by cystoscopy...
September 15, 2017: Urologia
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