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Ureteral duplication

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https://www.readbyqxmd.com/read/27896134/robot-assisted-pyeloureterostomy-in-bifid-renal-pelvis-with-ureteropelvic-junction-obstruction-of-the-lower-moiety
#1
Mario Lima, Michela Maffi, Niel Di Salvo, Tommaso Gargano, Michele Libri, Giovanni Ruggeri
Duplications of the urinary collecting system and pyelo-ureteral junction obstruction (PUJO) are common, but the simultaneous presence of both anomalies is rarely encountered. In incomplete duplicated systems, PUJO usually affects the lower moiety. We present the case of a 5-year old boy with left bifid renal pelvis and hydronephosis of the lower moiety treated by robot-assisted pyeloureterostomy.
January 2017: Urology Case Reports
https://www.readbyqxmd.com/read/27868099/endourologic-and-open-ureterolithotomy-and-common-sheath-reimplant-for-large-bladder-and-distal-ureteral-calculi
#2
Madeline Cancian, Joseph Brito, Joseph Renzulli, Gyan Pareek
A twenty-eight-year-old female with a history of suprapubic pain and recurrent urinary tract infections presents for urology referral with a kidney, ureter, and bladder radiograph showing a 4.4 cm bladder calculus and 6.5 cm distal left ureteral stone. She underwent effective cystolitholapaxy of the bladder stone. Endourologic attempt (left ureteroscopy) was unsuccessful because of ureteral stone burden. Findings at ureteroscopy revealed a duplicated system on the left with the lower pole moiety joining just proximal to the ureteral orifice...
2016: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/27843215/extravesical-modified-gregoir-lich-versus-intravesical-cohen-s-ureteric-reimplantation-for-vesicoureteral-reflux-in-children-a-single-center-experience
#3
Krishnamoorthy Sriram, Ramesh Babu
INTRODUCTION: There are multiple techniques for surgical correction of vesicoureteral reflux (VUR). We compared the outcomes of extravesical versus Cohen's reimplantation for VUR in children. METHODS: Records of all children (n = 118) who underwent reimplantation for VUR between 2003 and 2014 were analyzed (male: female = 43:75). Children with secondary VUR, duplication anomalies, and ectopic ureter were excluded from our study. Extravesical reimplantation (EVR) was performed bilateral in 32 children (Group 1a) and unilateral in 19 (Group 1b), while bilateral Cohen's reimplantation was performed in 67 (Group 2)...
October 2016: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/27747162/persistent-urinary-incontinence-after-nephrectomy-a-case-of-inverted-y-ureteral-duplication-with-ectopic-ureteral-insertion-into-the-vagina
#4
Hiroshi Shimura, Takahiko Mitsui, Tadashi Aoki, Manabu Kamiyama, Takashi Yamagishi, Masayuki Takeda
Inverted-Y ureteral duplication is one of the rarest anomalies of ureteral branching. We encountered a 20-year-old female patient with persistent incontinence even after nephrectomy for ectopic ureteral insertion into the vagina. She had inverted-Y ureteral duplication between the bladder and vagina, and urine was being transported from the bladder to the vagina. To the best of our knowledge, this is a rare case of inverted-Y ureteral duplication with ectopic ureteral insertion into the vagina as well as the ureter into the bladder, which became apparent due to persistent urinary incontinence even after nephrectomy...
November 2016: Urology Case Reports
https://www.readbyqxmd.com/read/27659383/unusual-variant-of-inverted-y-ureteral-duplication-with-an-ipsilateral-seminal-vesicle-cyst-and-renal-dysgenesis
#5
F Hajji, N Hammoune, M Miloudi, S Belasri
Inverted Y malformation is a rare variant of ureteral duplication with a marked female predominance. We describe a case of inverted Y ureteral duplication with concurrent ectopic ureteral insertion into a seminal vesicle cyst, a ureterocoele and renal dysgenesis, which occurred in a 29-year-old man with lower urinary tract symptoms, haematospermia and postcoital discomfort. To our knowledge, this is the first reported case with this constellation of urogenital abnormalities.
September 23, 2016: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/27567749/ectopic-insertion-of-a-duplicated-ureter-into%C3%A2-prostatic-urethra-demonstration-by%C3%A2-3d%C3%A2-multi-detector-computed-tomography-urography
#6
Jun Deng, Xiongbing Lu, Ying Liu
Ectopic insertion of the ureter in the genitourinary tract is a rare congenital disorder, usually associated with ureteral duplication. Identification of the insertion open is critical for ureteric re-implantation. However, the challenge in the diagnosis of ectopic insertion of the ureter usually is to identify its insertion, particularly when the affected ureter is not dilated. Multi-detector computed tomography (MDCT) urography with nonionic iodinated contrast media delineates the ureteric course in the normal functioning kidney in the excretory phase [1]...
October 6, 2016: Journal of X-ray Science and Technology
https://www.readbyqxmd.com/read/27542552/innovation-in-robotics-and-pediatric-urology-robotic-ureteroureterostomy-for-duplex-systems-with-ureteral-ectopia
#7
Michael J Biles, Julia B Finkelstein, Mark V Silva, Sarah M Lambert, Pasquale Casale
INTRODUCTION: Robotic technology has been increasingly utilized for complicated reconstructive surgeries in pediatric urology, such as ureteroureterostomy (UU). The literature is limited regarding the performance of minimally invasive UU in children, and the existing published series utilize indwelling ureteral stents. We sought to report on our pediatric experience with robot-assisted laparoscopic (RAL)-UU using a temporary ureteral catheter in duplex systems with ureteral ectopia. METHODS: A retrospective chart review was performed of all pediatric patients who underwent RAL-UU at a single institution over a 2-year period...
October 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27349780/complete-ureteral-duplication-outcome-of-different-surgical-approaches
#8
Isabel Rodrigues, José Estevão-Costa, Ana Catarina Fragoso
INTRODUCTION: The surgical management of complete ureteral duplication anomalies is not consensual. OBJECTIVE: To characterize the pediatric population who underwent surgery for complete ureteral duplication and assess the outcomes of different approaches. MATERIAL AND METHODS: Clinical records from patients treated between January 2008 and June 2014 were retrospectively reviewed. Epidemiology, diagnosis, clinical manifestations and surgical procedures were collected and analysed...
April 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/27290614/urinary-tract-infections-in-children-with-prenatal-hydronephrosis-a-risk-assessment-from-the-society-for-fetal-urology-hydronephrosis-registry
#9
Rebecca S Zee, Katherine W Herbst, Christina Kim, Patrick H McKenna, Tom Bentley, Christopher S Cooper, C D Anthony Herndon
INTRODUCTION: Risk factors for urinary tract infection (UTI) in children with prenatal hydronephrosis (PNH) are not clearly defined. Our study aim was to describe incidence and identify factors associated with UTI among a cohort of children diagnosed with PNH. MATERIAL AND METHODS: Patients with confirmed PNH from four medical centers were prospectively enrolled in the Society for Fetal Urology (SFU) hydronephrosis registry between 9/2008 and 10/2015. Exclusion criteria included enrollment because of UTI, associated congenital anomalies, and less than 1-month follow-up...
August 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27162516/ureteral-stone-associated-with-a-middle-blind-ending-of-a-bifid-ureter
#10
Selahattin Çalışkan
A blind-ending bifid ureter is an anatomic variant of ureteral duplications. There are three forms of blind-ending bifid ureter, classified depending on their location. A proximal blind-ending bifid ureter is the most common subtype of this congenital anomaly. Most patients are asymptomatic and only show symptoms after the complication has occurred. These complications include stone formation, vesicoureteric reflux, and ureteral tumor. Intravenous urography is usually used to diagnose bifid ureter; voiding cystourethrography, photofluoroscopy, cineroentgenography, cystoscopy with retrograde pyelography, computed tomography (CT), multidetector CT, and magnetic resonance urographies are other imaging methods used...
2016: Reviews in Urology
https://www.readbyqxmd.com/read/27141198/bilateral-complete-duplication-of-the-ureters-with-calculi-simultaneously-obstructing-the-four-ureters
#11
Ahmed Jalal Alsayyad
Bilateral complete duplication of the ureters is a rare condition. We report a case of an adult male patient with bilateral complete duplication of the ureters, with a single stone simultaneously obstructing each of the four ureteral limbs. Multiple bilateral renal stones were awlso demonstrated in the imaging studies. The ureteral stones ranged from 7 to 23 mm in length and 5-11 mm in width. Ureteroscopy and holmium laser lithotripsy for the ureteral stones were done sequentially in the four ureteral limbs, in a single session...
April 2016: Urology Annals
https://www.readbyqxmd.com/read/27134964/duplication-of-inferior-vena-cava-with-associated-anomalies-a-rare-case-report
#12
Pramod Shaha, Ashish Garg, Kulamani Sahoo, Nupoor Kothari, Pooja Garg
Duplication of inferior vena cava is an uncommon abnormality and is important in daily today practice for vascular surgeons, radiologist and urologist especially during retroperitoneal surgeries and treatment of thromboembolic disease. Radiologically, Duplicated IVC can be mistaken for lymphadenopathy or left pyeloureteric dilatation. Crossed fused kidney with a single ureter defy the embryological theory of ureteric bud crossing the opposite side and induce nephron formation associated anomaly of Duplication of inferior vena cava and malrotation of gut are not reported in a same patient...
March 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/26985816/bilateral-obstruction-of-bilaterally-duplicated-collecting-systems-requiring-upper-and-lower-moiety-drainage
#13
J O Lynch, A Cox, B Rawal, S Shelmerdine, N Vasdev, A Patel
A 60-year-old woman with a history of breast cancer presented with bilateral obstruction of bilaterally duplicated renal collecting systems secondary to extrinsic compression from metastatic pelvic lymphadenopathy. Bilateral JJ ureteric stents were inserted, resulting in some improvement of renal function but a failure to normalise completely. Repeat computed tomography demonstrated bilateral duplex collecting systems with persisting obstruction of the undrained moieties. Selective puncture was performed to decompress the obstructed renal moieties for bilateral nephrostomy catheter insertion...
April 2016: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/26942033/duplicated-renal-system-with-h-shaped-ureter-an-extraordinary-anomaly
#14
Fatih Akbulut, Metin Savun, Burak Ucpinar, Murat Sahan, Burak Arslan, Faruk Ozgor, Abdulmuttalip Simsek, Ahmet Yalcın Berberoglu, Murat Baykal, Murat Binbay
Duplex collecting systems are the most commonly encountered anomaly of the urinary system. Complete duplex system with an H shaped ureter is a very rare situation. There are only two reported H ureter cases in the literature. Herein, we aimed to present an H shaped ureter case, which was identified while performing ureterorenoscopy to a 48-year-old female patient due to a right distal ureteral stone.
2016: Case Reports in Urology
https://www.readbyqxmd.com/read/26875276/-clinical-experience-in-diagnosis-and-management-of-complete-duplication-of-kidney-and-ureter-in-106-children
#15
Li Zeng, Guizhen Huang, Jie Zhang, Lei Kang, Yidong Huang, Miao Yuan, Lugang Huang
OBJECTIVE: To discuss the clinical classification and treatment protocols of complete duplication of kidney and ureter in children. METHODS: Between March 2000 and February 2015, 106 children with complete duplication of kidney and ureter were treated, and the clinical data were retrospectively analyzed. Of them, there were 11 boys and 95 girls, aged from 1 month to 11 years (mean, 3.5 years); one side was involved in 88 cases and two sides in 18 cases. They were divided into 4 types according to image examinations and clinical presentations: 14 patients who needed no special treatment were classified into the first type, 15 patients who underwent reconstruction into the second type, 74 patients who underwent segment removal of renal dysplasia and subtotal excision of abnormal duplicated ureter into the third type, and 3 patients who underwent removal of the whole affected kidney and subtotal excision of whole ureter into the forth type...
November 2015: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/26747012/outcomes-of-complex-robot-assisted-extravesical-ureteral-reimplantation-in-the-pediatric-population
#16
Angela M Arlen, Kristin M Broderick, Curtis Travers, Edwin A Smith, James M Elmore, Andrew J Kirsch
INTRODUCTION AND OBJECTIVE: While open ureteral reimplantation remains the gold standard for surgical treatment of vesicoureteral reflux (VUR), minimally invasive approaches offer potential benefits. This study evaluated the outcomes of children undergoing complex robot-assisted laparoscopic ureteral reimplantation (RALUR) for failed previous anti-reflux surgery, complex anatomy, or ureterovesical junction obstruction (UVJO), and compared them with patients undergoing open extravesical repair...
June 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/26712285/laparoscopic-upper-pole-heminephroureterectomy-in-children-seven-year-experience
#17
Antonio Marte, Alfonso Papparella, Lucia Pintozzi
BACKGROUND: Minimally invasive surgery is the current approach to perform heminephroureterectomy (HN) in children. This can be obtained through a transperitoneal (TP) or a retroperitoneal approach. Here, we report our experience using a TP approach. MATERIALS AND METHODS: From 2005 to 2014, 22 TP laparoscopic upper poles HN were performed at our institution. There were nine girls and 13 boys aged between 20 months and 6 years (mean age 3.9). Eight patients were diagnosed prenatally, 17 patients presented with urinary tract infection (UTI) and three with vomiting and failure to thrive...
October 2015: African Journal of Paediatric Surgery: AJPS
https://www.readbyqxmd.com/read/26672568/identification-of-ureter-during-colorectal-surgery-cannot-always-avoid-ureteral-injury-duplicated-collecting-system
#18
Ali Tardu, Cuneyt Kayaalp, Ismail Ertugrul, Mehmet Ali Yagci
No abstract text is available yet for this article.
November 2015: American Surgeon
https://www.readbyqxmd.com/read/26609333/single-ectopic-ureteral-orifice-with-bilateral-duplicated-renal-collecting-systems-in-an-adult-girl-diagnosis-by-magnetic-resonance-urography
#19
Min Tang, Quanrongzi Wang, Bianjiang Liu, Jie Li, Qiang Lu, Ninghong Song, Zengjun Wang, Wei Zhang
Renal duplication accompanied by ureteral ectopia is an uncommon urinary congenital abnormality. We report the case of a 21-year-old girl who suffered from lifelong continuous urinary leakage. She was finally diagnosed with bilateral duplicated collecting systems complicated with right ectopic ureteral orifice - an extremely rare case. The patient underwent ureteric re-implantation for the ectopic side, and her urinary incontinence ceased soon thereafter. In this case, traditional imaging failed to show the exact insertion of an ectopic ureter...
July 2015: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/26604455/left-retrocaval-ureter-without-situs-inversus-or-inferior-venacava-duplication
#20
Vasudevan Thirugnanasambandam, Prasant Nayak, Abdulrazack Mossadeq
Retrocaval ureter (pre-ureteral vena cava) is an uncommon congenital anomaly that causes ureteral obstruction by external compression. Although right retrocaval ureter is a common entity, left retrocaval ureter is extremely rare. A left retrocaval ureter is usually associated with situs inversus or duplicated inferior venacava (IVC). An isolated left retrocaval ureter with single left-sided IVC is even rarer and only four cases have been reported in the literature. We present images of a case with isolated left retrocaval ureter with a single left-sided IVC without situs inversus...
October 2015: Indian Journal of Urology: IJU: Journal of the Urological Society of India
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