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https://www.readbyqxmd.com/read/28530627/-laparoscopic-treatment-of-retroperitoneal-fibrosis
#1
Carlos Hernández Fernández, David Subirá Rios, Mercedes Moralejo Gárate, Elena Rodríguez Fernández, Jorge Caño Velasco, Felipe Herranz Amo
Retroperitoneal fibrosis is a disease that may condition a severe involvement of various organs, mainly upper urinary tract, even causing renal insufficiency. It was first described by Albarran in 1905 and it is also known as Ormonds disease. The correct diagnosis includes, in many cases, the performance of one or more tests: CT scan, MRI, renal scan, etc. It is often necessary the insertion of double J catheters on percutaneous nephrostomy tubes with the aim to preserve renal function. Initial treatment is medical, based on corticoids, and , less frequent, immunosuppressive or chemotherapy drugs...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530624/-buccal-mucosa-graft-for-the-treatment-of-long-ureteral-stenosis-bibliographic-review
#2
Gema Del Pozo Jiménez, Ignacio Castillón-Vela, Joaquín Carballido Rodríguez
OBJECTIVE: To perform a literature review on the use of buccal mucosa graft (BMG) in the treatment of extensive ureteral stenosis, according to the criteria of Evidence Based Medicine. METHODS: Pubmed search of published studies with the following keywords: "ureteral stricture treatment", "buccal mucosa graft ureteral treatment" and "buccal mucosa graft ureteroplasty", without time limits, in English and Spanish; 12 articles were identified with a total of 48 cases (46 patients) of BMG use in ureteral repair...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530623/-laparoscopic-boari-flap-ureteral-reimplantation
#3
Ignacio Castilló-Vela, Gema Del Pozo Jiménez, Jorge Turo Antona, David Vázquez Alba, Javier Sáenz Medina, Joaquín Carballido Rodríguez
OBJECTIVES: To report our initial experience with laparoscopic Boari flap ureteral reimplantation and to review the main technical elements in ureteral reconstructive surgery. METHODS: In a 10-year period we performed 23 laparoscopic ureteral reimplantations. Three cases required a Boari flap. Two patients presented ureteral stenosis above the iliac vessels and the third one a urothelial tumor of the pelvic ureter. RESULTS: Two cases were completed laparoscopically; the third one was electively converted to open surgery to avoid prolonged OR time...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530622/-laparoscopic-uretero-ureterostomy-for-iatrogenic-lesions-of-the-distal-ur%C3%A3-ter
#4
Álvaro Juárez Soto, Rubén Campanario Pérez, Rocío Sáiz Marenco, Javier Amores Bermúdez, Manuel Soto Delgado, Jose Miguel Arroyo Maestre, Margarita De Paz Suárez
The most frequent ureteral lesions are iatrogenic, mainly due to gynecologic and urologic procedures. The resolution and repair of these lesions, when they require surgery, is often the performance of ureteroneocystostomy. We describe the technique for the repair of distal ureter lesions that preserves both anatomy and function of the urinary tract (1). The operation consists in dissection and extraction of the distal ureteral stump from its intramural tract to get at least 1 cm of free ureter, percutaneous insertion of a ureteral stent, checking the absence of tension between proximal ureter and distal dissected stump, end to end anastomosis and reinsertion of the distal ureter in the previously dissected bladder muscle layer...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28525664/near-infrared-fluorescence-with-indocyanine-green-for-diagnostics-in-urology-initial-experience
#5
Andrey O Morozov, Yuri G Alyaev, Leonid M Rapoport, Dmitrii G Tsarichenko, Eugene A Bezrukov, Denis V Butnaru, Eugene S Sirota
INTRODUCTION: Fluorescence imaging with indocyanine green is used in urology for the detection of sentinel lymph nodes and identification of prostate margins in radical prostatectomy for delineation of resection zone and selective clamping of vessels in partial nephrectomy; for identification and evaluation of length of ureteral strictures; for assessment of perfusion and viability of anastomoses during reconstructive stage of cystectomy. Safety of this technique is proven, while its diagnostic value and usefulness is still controversial...
May 16, 2017: Urologia
https://www.readbyqxmd.com/read/28523715/dual-en-bloc-technique-for-adult-renal-transplantation
#6
Kim Chi Tran, David Li, Ali Taqi, Alp Sener, Vivian C McAlister, Patrick P Luke
INTRODUCTION: We describe and provide follow-up for a novel simplified technique permitting dual en-bloc (DEB) transplantation of adult organs using single in situ arterial and venous anastomoses. METHODS: Twenty-two adult DEB transplants were performed at our centre between 2001 and 2012, utilizing 44 kidneys en bloc. Results were compared with 20 solitary transplants from expanded criteria donors (ECD) associated with lower terminal serum creatinines and Remuzzi biopsy scores vs...
May 19, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28515917/total-laparoscopic-hysterectomy-for-large-uterine-cervical-myoma
#7
Kentaro Nakayama, Mayu Tsukao, Masako Ishikawa, Tomoka Ishibashi, Kohei Nakamura, Kaori Sanuki, Hitomi Yamashita, Ruriko Ono, Toshiko Minamoto, Satoru Kyo
Ureterolysis is a surgical method with a high level of difficulty, which may be necessary when performing total laparoscopic hysterectomy (TLH) for large cervical myoma, despite the benign nature of this tumor. The aim of the present study was to introduce techniques that are commonly applied in malignant tumor surgery in order to safely perform TLH for large cervical myoma. Between 2014 and 2016, TLH was performed at the Shimane University Hospital (Izumo, Japan) in 153 patients with benign tumors, including 25 cases with a large uterus (uterine weight ≥500 g)...
May 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28508426/the-role-of-transvaginal-ultrasound-in-the-evaluation-of-ureteral-involvement-in-deep-endometriosis
#8
P Carfagna, C De Cicco Nardone, A De Cicco Nardone, A C Testa, G Scambia, R Marana, F De Cicco Nardone
OBJECTIVE: To assess whether routine visualization of the pelvic ureter during transvaginal ultrasonography should be performed in all patients with deep endometriosis candidate to surgery, in order to identify a potential silent ureteral involvement by the disease. METHODS: This was a prospective study of 200 consecutive patients undergoing surgery for deep endometriosis, evaluated between January 2012 and December 2014 at a tertiary endometriosis center at the Department of Obstetrics and Gynecology, Fondazione Policlinico Universitario A...
May 15, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28507909/open-vesicocalicostomy-for-the-management-of-transplant-ureteral-stricture
#9
Margaret M Higgins, Jonathan P Walker, Michael F Daily, Shubham Gupta
A 59-year-old male developed a proximal stricture of his transplant ureter ten years after a living donor renal transplant. Endoscopic management was unsuccessful, and the patient was temporized with percutaneous nephrostomy tubes for months. Eventually, it became clear he would require surgical revision. Intraoperatively, complete fibrosis of the renal hilum, and intrarenal location of the pelvis precluded the planned pyelovesicostomy. A successful open vesicocalicostomy was performed, anastomosing a bladder flap to a lower pole calix...
July 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28507324/a-novel-indole-compound-ma-35-attenuates-renal-fibrosis-by-inhibiting-both-tnf-%C3%AE-and-tgf-%C3%AE-1-pathways
#10
Hisato Shima, Kensuke Sasaki, Takehiro Suzuki, Chikahisa Mukawa, Ten Obara, Yuki Oba, Akihiro Matsuo, Takayasu Kobayashi, Eikan Mishima, Shun Watanabe, Yasutoshi Akiyama, Koichi Kikuchi, Tetsuro Matsuhashi, Yoshitsugu Oikawa, Fumika Nanto, Yukako Akiyama, Hsin-Jung Ho, Chitose Suzuki, Daisuke Saigusa, Atsushi Masamune, Yoshihisa Tomioka, Takao Masaki, Sadayoshi Ito, Ken-Ichiro Hayashi, Takaaki Abe
Renal fibrosis is closely related to chronic inflammation and is under the control of epigenetic regulations. Because the signaling of transforming growth factor-β1 (TGF-β1) and tumor necrosis factor-α (TNF-α) play key roles in progression of renal fibrosis, dual blockade of TGF-β1 and TNF-α is desired as its therapeutic approach. Here we screened small molecules showing anti-TNF-α activity in the compound library of indole derivatives. 11 out of 41 indole derivatives inhibited the TNF-α effect. Among them, Mitochonic Acid 35 (MA-35), 5-(3, 5-dimethoxybenzyloxy)-3-indoleacetic acid, showed the potent effect...
May 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28499762/ureteral-wall-thickness-as-a-preoperative-indicator-of-impacted-stones-in-patients-with-ureteral-stones-undergoing-ureteroscopic-lithotripsy
#11
Takashi Yoshida, Takaaki Inoue, Naoto Omura, Shinsuke Okada, Shuzo Hamamoto, Hidefumi Kinoshita, Tadashi Matsuda
OBJECTIVE: To evaluate the clinical significance of ureteral wall thickness (UWT) to predict the presence of impacted stones in patients with ureteral stones undergoing ureteroscopic lithotripsy (URSL). MATERIALS AND METHODS: We retrospectively analyzed 130 procedures in patients with ureteral stones performed URSL between January 2014 and September 2016. Maximum UWT at the stone site was measured from computed tomography images. Clinical predictors of impacted stones were assessed using univariate and multivariate logistic regression analyses...
May 9, 2017: Urology
https://www.readbyqxmd.com/read/28494578/early-and-late-ureteral-complications-after-renal-transplant-a-case-series-in-838-patients
#12
Francesca Manassero, Fabio Vistoli, Andrea Mogorovich, Maurizio DE Maria, Ugo Boggi, Cesare Selli
BACKGROUND: Ureteral strictures occur in approximately 3-8% of kidney transplant (KTx) recipients. They are usually a late event which needs surgical re-intervention with a subsequent increased risk of graft loss. This retrospective study presents a single-centre experience in managing ureteral complications using firstly a minimally invasive approach. METHODS: Between January 2000 and November 2012, 838 patients underwent KTx with Lich-Gregoire uretero-vesical anastomosis...
May 11, 2017: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/28491818/pancake-kidney-found-inside-abdominal-cavity-rare-case-with-literature-review
#13
Hamzeh M Ghawanmeh, Mohmmad Al-Ghazo, Omar M Halalsheh, Omar M Al-Ghazo, Ahmad K Alshammari, Anas I Al-Karasneh, Radwan Al-Okour
The cake or lump kidney is a rare form of fusion. The pancake kidney is always found in the pelvic cavity, in the greater or lesser pelvis. However, we report a case of pancake kidney which was found inside abdominal cavity while investigating 32-year-old male for lower limb pain. CT scan with IV contrast reveals 'fused mass situated in the right side of abdominal cavity with course uncrossed ureters opening separately into the urinary bladder found incidentally with patient work up'. Pancake kidney in this case was managed conservatively without any complication...
July 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28484293/advantages-of-t2-weighted-three-dimensional-and-t1-weighted-three-dimensional-contrast-medium-enhanced-magnetic-resonance-urography-in-examination-of-the-child-population
#14
Adnan Sehic, Fuad Julardzija, Sandra Vegar-Zubovic, Irmina Sefic-Pasic
AIM: The aim of this study is to prove the advantages of combined use of T2 weighted three dimensional (T2 W 3D) and T1 weighted three dimensional contrast medium enhanced (T1 W 3D CE) magnetic resonance (MR) urography in displaying urinary tract in child population. MATERIAL AND METHODS: Total of 120 patients were included in the study, 71 (59%) male patients and 49 (41%) female patients. The study was conducted on the Radiology clinic, University of Sarajevo Clinical Center, during the period from February to November 2016...
March 2017: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/28483465/use-of-medical-expulsive-therapy-in-children-an-assessment-of-nationwide-practice-patterns-and-outcomes
#15
Jonathan S Ellison, Paul A Merguerian, Benjamin C Fu, Sarah K Holt, Thomas S Lendvay, John L Gore, Margarett Shnorhavorian
INTRODUCTION: Early data support the use of medical expulsive therapy (MET) in children. However, little is known regarding use or outcomes associated with MET outside of pediatric-specific practices. Using a national administrative dataset, we sought to characterize utilization patterns of MET as well as assess outcomes associated with MET exposure. STUDY DESIGN: We interrogated the MarketScan Commercial Claims and Encounters database to identify children under the age of 18 presenting to the emergency department (ED) with any diagnosis of upper urinary tract calculi (UUTC, including renal and ureteral calculi)...
April 20, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28479772/ureter-iliac-artery-graft-cutaneous-fistula-a-rare-presentation
#16
Omkar V Joglekar, Bhoopatsingh B Bhati, Dipen R Patel
A 55-year-old male with a history of iliac artery - popliteal artery polytetrafluoroethylene graft bypass presented 2 years later with sudden onset gross hematuria with sepsis. Computed tomography (CT) angiography was suggestive of fistula between ureter and iliac artery which was treated with arterial covered stent graft. The patient presented 2 weeks later with watery discharge from the previous scar. CT suggested ureter-cutaneous fistula. JJ stenting of ureter was done. The patient was discharged and on follow-up CT scan, there was no evidence of fistula and patient was completely asymptomatic...
April 2017: Urology Annals
https://www.readbyqxmd.com/read/28479766/novel-technique-of-laparoscopic-extravesical-ureteric-reimplantation-in-primary-obstructive-megaureter
#17
Altaf Khan, Mujeebu Rahiman, Ashish Verma, Rahul Bhargava
OBJECTIVE: This study aims to demonstrate a novel laparoscopic technique of tapering megaureter without disrupting the blood supply and disconnecting the ureter. MATERIALS AND METHODS: Eight cases of primary obstructive megaureter in the age group of 14-22 years underwent laparoscopic extravesical ureteric reimplantation between August 2011 and July 2015 using our novel technique. Five patients had obstruction on left side and three on right side. Follow-up ultrasonography at 1 month and 3 months, voiding cystourethrogram (VCUG) at 3 months and intravenous urogram (IVU) at 6 months was obtained to assess the development of reflux and to look for adequate drainage of the obstructive ureter...
April 2017: Urology Annals
https://www.readbyqxmd.com/read/28476680/an-inguinal-approach-to-complex-extravesical-ureteral-reimplantation
#18
Adam S Howe, Lane S Palmer
OBJECTIVE: To report our experience in applying the Lich-Gregoir extravesical ureteral reimplantation (EVR) approach to complex cases (megaureter, duplex systems) through a small inguinal incision, with the goal of minimizing invasiveness. MATERIALS & METHODS: We reviewed the records of all patients who underwent common sheath and/or tapered EVR through an inguinal incision. Patient characteristics and reflux grade were obtained, and outcomes were assessed. The technique involved a 2 cm incision made in the lowest inguinal skin crease, standard cord exposure and lateral retraction, opening the floor of the canal to isolate the ureter...
May 2, 2017: Urology
https://www.readbyqxmd.com/read/28467398/pathophysiology-and-management-of-urinary-tract-endometriosis
#19
REVIEW
Camran Nezhat, Rebecca Falik, Sara McKinney, Louise P King
Endometriosis predominantly affects the pelvic reproductive organs but can also affect the urinary tract. A number of theories for the pathogenesis of endometriosis have been suggested, but the exact mechanisms remain elusive. Endometriotic lesions can be found on both the ureter and bladder, and the optimal therapeutic approach depends on the extent, depth, and location of these lesions. Medical approaches, including hormonal therapies such as GnRH agonists and oral contraceptives, tend to be a temporary measure, but can be useful in a preoperative setting or if the patient is unsuitable for surgery, and are also useful as a postoperative treatment...
May 3, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28465130/urothelial-carcinoma-involving-the-ureteral-orifice-a-clinicopathologic-analysis-of-93-cases
#20
Anand C Annan, Keith A Stevens, Adeboye O Osunkoya
Although tumors involving the bladder and ureter have been well described, there are only few studies in the pathology literature specifically analyzing tumors involving the ureteral orifice (UO). A search was performed for biopsy and resection specimens (transurethral resection, radical cystectomy/cystoprostatectomy, nephroureterectomy and bladder cuff resection) of urothelial carcinoma (UCa) involving the UO. Ninety three cases were identified. Sixty two (67%) patients were male. Mean patient age was 71years (range: 43-91years)...
April 29, 2017: Human Pathology
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