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Journal articles on the topic 'Ureter'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Sardar, Mini, Gabriella Littler, Aakash Pai, and Amit Shetty. "Inverted Y Ureteral Duplication with Distal Obstructing Calculi in the Ectopic Ureter in the Prostatic Urethra." Journal of Endoluminal Endourology 6, no. 1 (2023): e10-e14. http://dx.doi.org/10.22374/jeleu.v6i1.154.

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Duplication of the ureter and renal pelvis is a relatively common congenital anomaly with an incidence of approximately 1 in 150 births. Different anatomical variations of ureteric duplication exist. Ectopic ureters are usually associated with ureteral duplication and a duplex collecting system. Duplication of the ureter ismore common unilaterally, has a female preponderance, and occurs more commonly on the left side.We present the case of a 58-year-old male with inverted Y ureteral duplication who had distal obstructing ureteric calculi in the ectopic distal ureteral opening in the prostatic

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2

Sneha, P. John, Ghorpade Mayuri, Borkar Meenakshi, Verma Shobha, Bhoir Mehera, and Nakhate Manisha. "Bifid Ureter: A Cadaveric Study." International Journal of Pharmaceutical and Clinical Research 16, no. 1 (2024): 188–97. https://doi.org/10.5281/zenodo.11094008.

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Bifid Ureter is a condition where upper end of the ureter is bifid. In the lower part of the course two ureters join together to open by a common orifice into the urinary bladder. It occurs due to premature division of ureteric bud. <strong>Aim: </strong>To study any anomalies of ureter in routine anatomical dissection. <strong>Methods:</strong> 50 cadavers of both sexes that had been fixed in formalin were used in the current study. During the dissection, the ureter’s anatomy was the main point of attention. From the renal pelvis to the uretrovesical junction, which

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3

Yang, Longyuhe, Xuanfan Hu, Yueqiang Wang, et al. "Laparoscopic treatment of triple ureteral with ureteral calculus: A case report." Medicine 104, no. 26 (2025): e43031. https://doi.org/10.1097/md.0000000000043031.

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Rationale: Ureteral triplication (UT) is a rare congenital urinary tract anomaly, with approximately 100 cases reported globally, arising from abnormal branching of the ureteric bud during embryogenesis. Patient concerns: A 48-year-old male presented with recurrent left flank and abdominal pain for 3 years, worsening over the past year, accompanied by gross hematuria and purulent urine, suggesting urinary tract infection and obstruction. Diagnoses: Computed tomography urography and cystoscopy confirmed left-sided ureteral triplication, with 1 malformed ureter containing a calculus and proximal

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4

Bhaskarapprakash, A. R., Leelakrishna Karri, P. Velmurugan, S. Venkatramanan, and K. Natarajan. "Ureteral Avulsion during Semirigid Ureteroscopy: A Single-Centre Experience." Surgery Research and Practice 2020 (October 19, 2020): 1–7. http://dx.doi.org/10.1155/2020/3198689.

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Aims. The aim of the study is to present our experience with the management of ureteral avulsions following semirigid ureteroscopy for ureteral stones. This is one of the largest series reported so far. Methods and Materials. It is a retrospective and observational study done at Sri Ramachandra Institute of Higher Education and Research over the last 18 years. Results. There were seven cases of ureteral avulsion following semirigid ureteroscopy. All patients were males with a mean age of 35.7 years. All had impacted stones, with proximal ureteric location in 6 patients and distal ureteric loca

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5

Rajanbabu, Anupama, and Viral J. Patel. "Ureteric mapping with Indocyanine green: A new tool to prevent ureteral injury in complex gynecological surgery." Journal of Endometriosis and Pelvic Pain Disorders 12, no. 3-4 (2020): 190–92. http://dx.doi.org/10.1177/2284026520934272.

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Introduction: The aim of this video is to show that ureteric injection of Indocyanine green dye in difficult gynecological operations is a useful tool to identify and safeguard ureters. Case description: A 56-year-old lady with a large 10.5 × 14.5 × 13 cm3 multiloculated endometriotic cyst in the right adnexa was scheduled for robotic-assisted hysterectomy with bilateral salphingooophorectomy. She had undergone a laparotomy and three laparoscopic surgeries for endometriosis and fibroid uterus. Before starting surgery, cystoscopy was performed and with 6 Fr ureteral catheter inserted into urete

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6

Kim, Kyung-Wuk, Young Ho Choi, Seung Bae Lee, Yasutaka Baba, Hyoung-Ho Kim, and Sang-Ho Suh. "Analysis of Urine Flow in Three Different Ureter Models." Computational and Mathematical Methods in Medicine 2017 (2017): 1–11. http://dx.doi.org/10.1155/2017/5172641.

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The ureter provides a way for urine to flow from the kidney to the bladder. Peristalsis in the ureter partially forces the urine flow, along with hydrostatic pressure. Ureteral diseases and a double J stent, which is commonly inserted in a ureteral stenosis or occlusion, disturb normal peristalsis. Ineffective or no peristalsis could make the contour of the ureter a tube, a funnel, or a combination of the two. In this study, we investigated urine flow in the abnormal situation. We made three different, curved tubular, funnel-shaped, and undulated ureter models that were based on human anatomy.

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Moustapha, A. M., R. Aitouali, A. Abouqadoum, M. A. Lakmichi, Z. Dahami, and I. Sarf. "Unilateral Incomplete Bifid Ureter with UPJ Syndromes: A Case Report." SAS Journal of Surgery 9, no. 08 (2023): 660–62. http://dx.doi.org/10.36347/sasjs.2023.v09i08.004.

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Introduction: The ureters are muscular tubes that extend from the kidneys to the urinary bladder. The urine is propelled along the ureter by peristaltic contraction of the muscle coat, assisted by the filtration pressure of the glomeruli. Bifid ureter (BU) are rare congenital anomalies. Is a condition in which the ureter is duplicated, and it can be classified into complete (when they join separately at the urinary bladder) or incomplete –Y ureter- (When they fuse at some point in their trajectory). In the literature, the prevalence of duplicated ureter approximately 0.8%. Case: A 39-year-old

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8

Paul, Sabyasachi, Ananya Mandal, Prithwis Mandal, and Pankaj K. Halder. "Surgical Challenges of Bilateral Duplex Kidney with Ectopic Ureters." D Y Patil Journal of Health Sciences 12, no. 1 (2024): 32–34. http://dx.doi.org/10.4103/dypj.dypj_69_23.

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Abstract The bilateral duplex system is extremely uncommon, and only a few cases have been documented in the literature. It may manifest as a bifid renal pelvis and partial or complete ureteric duplication, with or without ectopic insertion of the ureter. An ectopic ureter is more problematic when there is significant vesicoureteral reflux, incontinence, and/or blockage. The optimal course of treatment is considered to be ureteral reimplantation rather than heminephrectomy. We describe the management strategy for a case of bilateral duplex kidneys with bilateral ectopic ureters in a growing fe

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9

Chama, Othman, Khalid Ouatar, Mustapha Ahsaini, et al. "Ureteral duplication with ectopic implantation of the ureter into the prostatic urethra." International Journal of Case Reports and Images 15, no. 1 (2024): 40–43. http://dx.doi.org/10.5348/101442z01oc2024cr.

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An ectopic ureter is a ureter that terminates in or below the bladder neck. The incidence of ectopic ureter remains unclear because this malformation is often asymptomatic. Eighty percent of ectopic ureters are associated with a duplicate ureter. In our case, it was a 29 years old man, who consulted for intermittent pelvic pain. The patient underwent a prostatic magnetic resonance imaging (MRI), which showed an ectopic ureteral abruption at the level of the prostate. The uroscanner showed a ureteral duplicity with a silent superior kidney.

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10

Vozianov, Oleksandr. "The reasons of unsatisfactory results of extracorporeal shock wave lithotripsy in patients with ureterolithiasis." EUREKA: Health Sciences, no. 4 (July 30, 2021): 48–53. http://dx.doi.org/10.21303/2504-5679.2021.001797.

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The article dedicate to the problem of failure of extracorporeal shockwave lithotripsy in patients with ureterolithiasis and reveal the changes which appear in the ureter in the location of the stone.The aim. Analysis of the results of treatment in patients, suffering ureteric stones, using the ureterolithotripsy procedure after failure extracorporeal shockwave lithotripsy. Materials and methods. In 137 patients with ureteric stones, whom ureterolithotripsy procedure after failure extracorporeal shockwave lithotripsy was conducted, the symptoms of the disease, the diagnostic methods valu

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Vozianov, Oleksandr. "The reasons of unsatisfactory results of extracorporeal shock wave lithotripsy in patients with ureterolithiasis." EUREKA: Health Sciences, no. 4 (July 30, 2021): 48–53. https://doi.org/10.21303/2504-5679.2021.001797.

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The article dedicate to the problem of failure of extracorporeal shockwave lithotripsy in patients with ureterolithiasis and reveal the changes which appear in the ureter in the location of the stone.The aim. Analysis of the results of treatment in patients, suffering ureteric stones, using the ureterolithotripsy procedure after failure extracorporeal shockwave lithotripsy. Materials and methods. In 137 patients with ureteric stones, whom ureterolithotripsy procedure after failure extracorporeal shockwave lithotripsy was conducted, the symptoms of the disease, the diagnostic methods value, eff

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12

Kurata, Saya, Shohei Tobu, Kazuma Udo, and Mitsuru Noguchi. "Outcomes of Ureteral Stent Placement for Hydronephrosis in Patients with Gynecological Malignancies." Current Urology 10, no. 3 (2016): 126–31. http://dx.doi.org/10.1159/000447165.

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Objective: We examined the outcomes of patients undergoing ureteral stent placement for hydronephrosis that occurred during treatment for gynecological malignancies. Materials and Methods: From January 2004 to December 2009, we enrolled 33 patients with 45 ureters undergoing ureteral stent placement for hydronephrosis which occurred during treatment for gynecological malignancies. We examined the outcomes of the patients after stent placement. Results: The causes of hydronephrosis were obstruction of the urinary tract by a tumor (n = 22), obstruction due to lymph node swelling (n = 6), uretera

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13

Rickyawan, Nofan, Dinar Arifianto, and Dhirgo Adji. "Detection of Hydroureter in Rat After Medial and Distal Unilateral Ureteral Obstruction Using Ultrasound Frequency 10 MHz." Veterinary Biomedical and Clinical Journal 1, no. 1 (2019): 33–40. http://dx.doi.org/10.21776/ub.vetbioclinj.2019.001.01.5.

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Unilateral ureteral obstruction can occur in all animals and it is located proximal, medial and distal. Obstruction causes abnormalities in ipsilateral ureters in the form of hydrouterers. The aim of this study was to detect hydroureters in post-unilateral medial and distal ureteric rats using a 10 MHz ultrasonography frequency. Thirty-six female Sprague Dawley rats aged 3 months were divided into 3 treatment groups. Each group consisted of 12 individuals. Group I as a control received laparotomy treatment. Group II laparotomy with medial right-hand ureteral ligation and group III with right d

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14

Vărgău, M., D. M. Iliescu, C. Ionescu, and P. Bordei. "Morphological aspects of the bifid ureter (in „Y”)." ARS Medica Tomitana 19, no. 4 (2013): 223–28. http://dx.doi.org/10.2478/arsm-2013-0040.

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Abstract Our assessments on the bifid ureter resulted from the study on a number of 258 cases of renal upper pathways, using as study methods the dissection and the analysis of CT urographies. We met a total of 10 cases with bifid ureter, 4 cases on the right and 6 cases on the left, two of them showing a bilateral bifid ureter. In 8 cases the superior ureter drained only the upper part of the kidney and in 2 cases the two ureters had an equal drainage area. The superior ureteral was thinner than the lower one in 6 cases, in 2 cases the two ureters were equal in caliber and also in 2 cases the

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15

Airyan, Eduard K., Aleksandr A. Demidov, Oleg V. Staroverov, Galina I. Kuzovleva, and Lenara R. Yarkaeva. "Laparoscopic retrocaval ureteroplasty in a child with combined urodynamic disorders." Russian Journal of Pediatric Surgery, Anesthesia and Intensive Care 14, no. 2 (2024): 277–83. http://dx.doi.org/10.17816/psaic1793.

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Retrocaval location of the ureter in combination with aberrant renal vessels is a rare and complex urinary system malformation that requires careful verification. Currently, the most appropriate method for diagnosing retrocaval ureter is contrast-enhanced computed tomography. With the development of hydronephrosis or ureterohydronephrosis, the patient underwent laparoscopic ureteroplasty. Surgical treatment of retrocaval ureter involves resection of the altered ureter or pelvic–ureter segment with the formation of uretero-ureteral anastomosis or ureteropieloanastomosis anterior to the inferior

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Perepechin, D. V., A. A. Kachmazov, I. B. Kononenko, et al. "Ureteral obstruction in pancreatic carcinoma patients." Experimental and Сlinical Urology 16, no. 4 (2023): 120–29. http://dx.doi.org/10.29188/2222-8543-2023-16-4-120-129.

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Introduction. Treatment of patients with pancreatic adenocarcinoma who have metastases in the ureter with subsequent hydroureteronephrosis is extremely rare in clinical practice. Only eight similar cases are on record in the scientific literature. No recent review exists on this topic. This encouraged us to present our review of cases of adenocarcinoma of the pancreas with ureteral metastasis, have been reported earlier. Aim. To systematize the existing knowledge and summarize the clinical experience in the diagnosis and treatment of ureteral obstruction in pancreatic cancer. Materials and met

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Schwarz, Tobias, Matthew Simpson, Jimmy Saunders, and Nick Bommer. "Obstructed left retrocaval ureter in a dog." Veterinary Record Case Reports 8, no. 2 (2020): e001141. http://dx.doi.org/10.1136/vetreccr-2020-001141.

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Retrocaval ureters form due to a congenital malformation of the caudal vena cava. This anomaly has been reported in cats and is usually incidental. Retrocaval ureters are rare in dogs, but have been associated with ureteral obstruction. When presented with a dog with hydroureter and hydronephrosis, an obstructed retrocaval ureter should be considered as a rare differential. This case report describes a left retrocaval ureter causing ureterohydronephrosis diagnosed by CT.

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18

Hadibrata, Exsa, Mars Dwi Tjahyo, Angga Hendro Priyono, Aliezsa Esthi Kusuma, Muhammad Rifath Akbar, and Tasya Khalis Ilmiani. "Reseksi Anastomosis Uretero-ureteral Pada Pasien Striktur Total Ureter Proksimal : Laporan Kasus." Jurnal Kedokteran Universitas Lampung 3, no. 2 (2019): 283–88. https://doi.org/10.23960/jkunila.v3i2.pp283-288.

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Striktur ureter merupakan penyempitan lumen ureter yang terjadi secara kongenital atau didapat. Striktur ureter dapat menyebabkan obstruksi sehingga terjadi penurunan fungsi ginjal secara cepat. Telah dilaporkan sebuah kasus seorang wanita berusia 21 tahun dengan riwayat buang air kecil (BAK) keluar batu (passing stone)  1 tahun yang lalu datang dengan keluhan nyeri pinggang kanan sejak ± 1 minggu SMRS. Keluhan tersebut dirasakan hilang timbul, disertai dengan demam. Pada pemeriksaan fisik tanda vital ditemukan peningkatan temperature 38,50C, status lokalis didapatkan nyeri tekan abdomen RUQ,

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Lakshman, Ganesh, Sriram Krishnamoorthy, and Natarajan Kumaresan. "Duplex kidney with calculus obstruction of lower moiety lessons learnt." Journal of medical pharmaceutical and allied sciences 11, no. 2 (2022): 4718–20. http://dx.doi.org/10.55522/jmpas.v11i2.2335.

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Duplex kidneys are one of the commonest congenital malformations of the urogenital system that one comes across in urological practice. It can be complete or incomplete. Ureteral duplication is usually asymptomatic but can accompany by urinary infections, ureterocele, vesicoureteral reflux or other congenital complications. The presence of stone in one of the systems may sometimes pose a therapeutic challenge to the urologists, especially when they attempt to remove the ureteric stone endoscopically. We report a 33-year-female who presented with acute left ureteric colic. Axial imaging reveale

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20

Dhandapani, Kalyani S., and Mary V. Jeyakumar. "Blinking ureteric stents in total laparoscopic hysterectomy in a case of severe endometriosis: a case report." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 13, no. 12 (2024): 3744–47. http://dx.doi.org/10.18203/2320-1770.ijrcog20243616.

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Iatrogenic ureteric injury is one of the major concerns in minimally invasive surgery in gynecological surgeries. It is really challenging to trace the course of ureter in cases with distorted pelvic anatomy like pelvic adhesions, previous pelvic surgeries and endometriosis. Lighted ureteric stents are useful in tracing ureters in such difficult situations. We present a case with using lighted ureteric stent to trace the course of ureter and to minimize ureteric injury in total laparoscopic hysterectomy and bilateral salphingo-oophrectomy in a patient with severe endometriosis.

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v, Anil Kumar, Sharjeel Saulat, Syed Saeed-uddin Qadri, Ashba Mushtaque, Muhammad Osama, and Umber Rasheed. "The Non-Accessible Ureter: Can History, Gender, Age, BMI, Radiology and Stone Size Predict the Requirement of Pre-Stenting in Narrow Ureters." National Journal of Health Sciences 9, no. 2 (2024): 76–81. http://dx.doi.org/10.21089/njhs.92.0076.

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Abstract: Background: The difficulty in access to the ureter during stone removal surgery enhances the chances of redo-surgery, DJ stenting, and associated complications, this failure leads to mistrust in the doctor-patient relationship. Objective: This study aims to provide a comprehensive evaluation of the incidence & management of narrow ureters after failure to negotiate retrograde access of rigid or flexible Ureteroscope (6/7.5 Fr ). Materials and Methods: This is a Prospective, cross-sectional study, conducted at the urology department of Tabba Kidney Institute, from June 2022 to Jun

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22

Perz, Sarah, Timothy Suttle, and Puneet Sindhwani. "Management of Ureters Involved in Inguinal Hernias." Translation: The University of Toledo Journal of Medical Sciences 5 (October 17, 2018): 21–25. http://dx.doi.org/10.46570/utjms.vol5-2018-250.

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Background: The presence of a ureter in a hernia sac presents a unique surgical challenge and can increase the likelihood of ureteral injury at the time of surgery as they are often not identified pre-operatively. Here we present our institutional experience and thorough systematic review in order to provide guidance on the urologist’s role in this situation.Materials and Methods: A PubMed and Medline search was conducted to identify relevant literature published in the year 2000 or later. Case reports and case series in the English language were included using terms “ureter and hernia”, “hern

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23

Daniele, C., G. Carluccio, A. Romano, M. Simone, and G. Ughi. "Trattamento percutaneo delle ostruzioni del giunto pielo-ureterale." Urologia Journal 61, no. 1_suppl (1994): 65–66. http://dx.doi.org/10.1177/039156039406101s17.

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The Authors report one case of uretero-pelvic junction obstruction in which the endopyelotomy was preceded by intrapelvic invagination of the proximal ureter. After a standard percutaneous access a guide wire is passed down into the ureter through the nephroscope to let a 6 Fr. dilatation balloon catheter be slid just below the junction; a slight traction is exerted on the catheter, so that the proximal ureter is invaginated and drawn toward the pelvis. Both ureter and pelvis receive longitudinal and simultaneous incision. Finally, a double-J ureteral stent is inserted, to be left indwelling f

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Thayabaran, M., K. M. T. D. Weerasekara, and N. Gopal. "Unilateral isolated duplicated ureter." Sri Lanka Anatomy Journal 7, no. 2 (2024): 64–67. http://dx.doi.org/10.4038/slaj.v7i2.209.

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Ureteric duplication is the most common anomaly of the urinary system that may be asymptomatic or associated with clinical findings. These cases of duplication of ureters are found during radiographic imaging of the abdomen and pelvic region or accidentally during the dissection of cadavers. The aim of the study was to report a congenital anomaly in the urinary system in cadaveric dissection. During routine cadaveric dissection in the Department of Human Biology of the Faculty of Health-Care Sciences, Eastern University, Sri Lanka, we noted a left-sided unilateral bifid renal pelvis with incom

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Gautam, Anil, Bijay Subedi, Mukesh Dhital, Janak Awasthi, Suman Adhikari, and Purushottam Adhikari. "Calculus Induced Hydroureteronephrosis Obstructive Syndrome in a Patient with Two Separate Pelvicalcyeal System in Right Side with Bifid Ureter: A Rare Clinical Entity." International Journal of Medicine and Biomedical Sciences 2, no. 2 (2017): 1–5. http://dx.doi.org/10.55530/ijmbiosnepal.v2i2.24.

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Hydroureteronephrosis is a clinical condition where the dilatation of renal calyces and ureter occur jointly due to obstruction. When two ureters arise from single kidney the situation is known as bifid ureter which may be complete orincomplete. The present study examines a congenital anomaly of bifid ureter and rare clinical presentation of calculusinduced obstructive hydroureternephrosis in a adult male aged 38 by past 48 hours. The common symptoms of thiscondition were extreme intolerable pain in the abdomen, flank pain moderate to severe radiate to loin to groin,vomiting/nausea and haematu

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Kafle, Pankaj. "Detection rate of ureteric stones with ultrasonography and relationship with grade of hydronephrosis." Asian Journal of Medical Sciences 9, no. 3 (2018): 17–20. http://dx.doi.org/10.3126/ajms.v9i3.19303.

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Background: Ultrasound scanning can serve as reliable, basic first line mode of imaging techniques in detecting ureteric stone in patients with hydronephrosis and grade them accordingly with or without need of other imaging techniques.Aims and Objective: To evaluate the relationship between the degree of hydronephrosis and the detection rates of ureteral stones with ultrasonography in computed tomography or intravenous urography proven cases of ureteric calculi.Materials and Methods: This was a prospective observational study involving 75 patients with computed tomography or intravenous urogra

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Dr, Muktyaz Hussein. "Study on ureteral duplication with its clinical significance in North Indian Population." International Journal of Medical and Pharmaceutical Research 4, no. 2 (2023): 36–39. https://doi.org/10.5281/zenodo.7720871.

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<strong>Objectives</strong>: The aim of present study is to highlight incidence and clinical significance of bilateral variations of ureter in North Indian Population. The ureters are both sided thin tubular structures that connect the kidneys to the urinary bladder, convey urine from the renal pelvis of kidneys to the bladder. The human ureter is roughly 25-30 cm long in adults. The human ureters begin at the ureteropelvic junction of the kidneys, which lie posterior to the renal vein and artery in the hilum. <strong>Material and Methods</strong>: The present study comprises 44 kidneys (22 ad

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Vogt, Benoît, and Ilham Chokri. "Histological Inflammation in Human Ureter either Healthy or Fitted with Double-Pigtail Stent or a Thin 0.3 F Suture Thread: A Preliminary Study." Advances in Urology 2020 (July 2, 2020): 1–5. http://dx.doi.org/10.1155/2020/1204897.

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Background. Ureteral stent intolerance reduces patients’ quality of life. It has been suggested that changes in the shape of stents could decrease discomfort. In previous studies, the innovative pigtail-suture stent (i.e., JFil® or MiniJFil®) with a thin 0.3 F suture thread significantly decreased stent-related symptoms. Fortuitously, a dilation of the ureter containing the sutures was discovered. In addition, no inflammation was seen on the ureter wall around the suture in endoscopy. In this preliminary study, we assessed ureteral inflammation in the human ureter when it was healthy or when f

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Laxmikant G Keni, Satish Shenoy B, Chethan K N, et al. "Analyzing Single Peristaltic Wave Behavior in Ureter with Variable Diameters: A Ureterdynamic Study." CFD Letters 16, no. 4 (2024): 54–68. http://dx.doi.org/10.37934/cfdl.16.4.5468.

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Ureters are muscular tubes that transport urine from the kidney to the bladder. The peristalsis wave is responsible for carrying urine to the bladder. With the regular appearance of peristalsis, areas with anatomic narrowing junctions are crucial for ureteral diseases. A three-dimensional flow analysis is performed for different time steps to understand the effect of the urine bolus formation and the reflux phenomenon on variable diameter ureters. For the constant and variable diameter ureter, the pressure is obtained behind and in front of the propagating bolus respectively. The peristalsis w

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Ninomiya, Mark, Linda Hasman, Ronald Rabinowitz, and Divya Ajay. "The Ileal Ureter: Over a Century of Urologic Innovation." International Journal of Urologic History 2, no. 2 (2023): 30–37. http://dx.doi.org/10.53101/ijuh.2.2.01052301.

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Objectives Surgical techniques to repair a ureteral stricture may depend on the stricture’s etiology, length, and location. Options may range from primary ureteral reimplantation for short, distal strictures, buccal mucosa onlay ureteroplasty for complex proximal or mid ureteral defects, to Boari flap or even autotransplantation for longer mid to distal ureteral defects. Replacement of the entire ureter with a segment of ileum is rare but may provide durable results when indicated. Our objective was to illustrate how the history and evolution of the ileal ureter entered the contemporary surgic

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Pepe, Pietro, Letterio D’Arrigo, Domenico Patane’, Ludovica Pepe, Giuseppe Candiano, and Michele Pennisi. "Asynchronous Bilateral Ureteric-Arterial Fistula: Diagnosis and Treatment." Case Reports in Urology 2021 (May 3, 2021): 1–3. http://dx.doi.org/10.1155/2021/5590432.

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A 48-year-old woman submitted to anterior exenteration plus ileal-cutaneous conduit for metastatic cervical cancer during the change of the ureteral stent showed massive bleeding in the left ureter. A selective intra-arterial angiography showed a fistula between the ureter and the left common iliac artery that the interventional radiologist quickly repaired by inserting a vascular endoprosthesis. Six months later, gross hematuria secondary to right ureter-iliac fistula occurred again and a second endoprosthesis was inserted. Asynchronous bilateral ureteric stent-related vascular fistula is an

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Shaikh, M. Danish M. Jeelani, and Gurunath Digambar Khanolkar. "BIFID URETER AND ITS CLINICAL SIGNIFICANCE: A CADAVERIC STUDY." International Journal of Research in Ayurveda and Pharmacy 16, no. 2 (2025): 43–46. https://doi.org/10.7897/2277-4343.16240.

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Aim: The aim of this study is to document the incidence, morphological features, and clinical implications of bifid ureter through cadaveric examination, contributing to a better understanding of renal and ureteral anatomical anomalies and their clinical relevance. Methods: A 68-year-old male cadaver was used in this study, obtained from Cooper Medical College & Hospital, Mumbai, with all necessary ethical approvals and documentation (No Objection Certificate and death certificate). Detailed dissection of the renal and ureteral structures was conducted to observe anatomical variations. The

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Gautam, Ashima, Bineet Thapa, and Krishna Kaji Bhomi. "Bilateral Complete Ureteral Duplication with Obstructing Stones in Both Left Ureters: A Case Report and a Review of Literature." Nepal Medical College Journal 26, no. 2 (2024): 169–72. http://dx.doi.org/10.3126/nmcj.v26i2.67215.

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Congenital anomalies like duplex renal collecting systems are rare developmental conditions. Among these anomalies, ureteral duplication is rarely observed, with partial ureteral duplication comprising a majority of cases. Bilateral ureteral complete duplication, where fully duplicated ureters drain separately into the bladder via separate orifices, is extremely rare, making it a seldom-documented anomaly in the medical literature. A case of bilateral complete ureteral duplication complicated by calculi in both the upper and lower moieties of the left kidney presented to the urology outpatient

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Lakshmanan, Priya, Sowbarnika Rajaraman, Madhumitha Durairaj, Sandhiya, and Poovizhi. "Laparoscopic ureteroneocystostomy: PSOAS hitch following ureteral injury during hysterectomy." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 13, no. 7 (2024): 1854–57. http://dx.doi.org/10.18203/2320-1770.ijrcog20241789.

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Injury to ureter is a known complication of pelvic or abdominal surgery, including laparoscopy and ureteroscopy. The incidence of iatrogenic ureteral injury during vaginal hysterectomy is 0.02 to 0.5% and after abdominal hysterectomy is 0.03 to 2%. Patient with ureteric injury should be evaluated and intervened at the earliest. The laparoscopic technique of ureteral reimplantation for the repair of ureteral obstruction due to hysterectomy injury may be challenging, but is feasible. vesicopsoas hitch is done to relieve tension after ureteroneocystostomy. A complete exposure and a good knowledge

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Nikitin, S. S., N. B. Guseva, S. A. Kononova, and A. A. Tyukina. "Vesicoureteral reflux-stenosis: an approach to diagnosis and treatment." Meditsinskiy sovet = Medical Council, no. 1 (February 26, 2024): 198–204. http://dx.doi.org/10.21518/ms2023-497.

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Vesicoureteral reflux-stenosis is a malformation of the urinary system in which reflux is combined with a narrowing of the distal ureter at the site of its confluence with the bladder. At the same time, the diameter of the lumen of the formed rigid section of the narrowed ureter is sufficient for the occurrence of reflux, but not enough for normal emptying of the upper urinary tract, which leads to the development of a reflux megaureter. Histologically, the wall of the narrowed ureter is characterized by the presence of fibrosis, atrophy of the submucosal layer and the absence of neuromuscular

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Revathy, R., S. Sumathi, and Ranganath Priya. "Congenital Double Ureter and Its Clinical Significance." International Journal of Pharmaceutical and Clinical Research 15, no. 12 (2023): 696–700. https://doi.org/10.5281/zenodo.11193011.

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<strong>Introduction: </strong>Congenital ureter anomalies like double ureter and double pelvicalyceal system are uncommon variations and they remain asymptomatic in majority cases. These variations are encountered during an abdominal or incidentally in any other routine abdominal and pelvic investigations or during educational cadaveric dissection in medical colleges. <strong>Aims and Objectives: </strong>To study the congenital ureteric variations in cadaveric kidney and ureter specimens. <strong>Materials and Methods: </strong>In Department of Anatomy, Bangalore Med

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Wishahi, Mohamed M., Hosam Elganzoury, Amr Elkhouly, and Ahmed Mehena. "Dipping Technique for Ureteroileal Anastomosis in Orthotopic Ileal Neobladder: 20-Year Experience in 670 Patients—No Stenosis with Preservation of the Upper Tract." ISRN Urology 2013 (May 26, 2013): 1–3. http://dx.doi.org/10.1155/2013/725286.

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Objectives. Many techniques were described for ureteroileal anastomosis in orthotopic bladder substitution, ranging from nonrefluxing to refluxing techniques, all aiming at preservation of the upper tract. We describe our technique of dipping the ureter into the ileal pouch, which is simple and had no complications. Patients and Methods. Our technique implies dipping the ureter in the lateral side of the pouch, in right and left corners, with two rows of four sutures fixing the seromuscular layer of the ureter to the seromuscular layer of the ileal pouch. The procedure was applied in both norm

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DE GROOTE, B., P. VAN LAER, K. MAURUS, J. P. VAN BIERVLIET, and L. MEEUS. "Embolization of Ectopic Kidney to Control Incontinence." Pediatrics 85, no. 2 (1990): 217–19. http://dx.doi.org/10.1542/peds.85.2.217.

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Ureteral ectopy in girls can cause dribbling incontinence if the ectopic ureter ends below the continence mechanism of bladder neck and external sphincter. Approximately 25% of ectopic ureters drain into the vagina. The corresponding renal tissue is often hypoplastic or dysplastic. Surgery used to be the treatment of choice. Depending on the quality of the corresponding renal tissue, one had the choice between ureter reimplantation or partial or total nephrectomy. We succeeded in treating a girl with a hypoplastic kidney and an ectopic ureter nonsurgically by embolizing the corresponding renal

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Mishra, Kirtishri, and Christopher S. Elliott. "A violation of the Weigert-Meyer law – an ectopic ureter arising from the lower renal pole." Journal of Clinical Urology 10, no. 3 (2015): 202–4. http://dx.doi.org/10.1177/2051415815570651.

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Ectopic ureters are a found in one of every 2000–4000 people. This abnormality can present with urinary tract infections, haematuria, and occasionally incontinence. Ectopic ureters traditionally follow the Weigert-Meyer Law, which describes the relationship of the lower and upper renal moieties. It states that the lower renal pole drains into a laterocranial ureteral orifice (and may reflux), while the upper renal pole drains into a mediocaudal ureteral orifice (and may be obstructed). If a duplicated ureter does not insert into the bladder, it by rule, originates from the upper pole. We prese

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Dhangar, Sanjay P., Dhaval Rasal, Shashank Patil, Amirtha Balakumar, and Swapnil Vaidya. "Open surgical management of ureteric strictures: A retrospective study." Bioinformation 21, no. 3 (2025): 405–9. https://doi.org/10.6026/973206300210405.

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Ureteral strictures may arise from long standing nephro/urolithiasis, radiation, use of lasers for treatment of stones, trauma, ischemia, and iatrogenic injury. Therefore, it is of interest to assess the long-term results of ureteral reconstruction using different techniques. Hence, all benign ureteral strictures that more than 2 cm at the level of the pelvi-ureteric junction, upper or mid-ureter, or loss of long length of ureter not suitable for Boar’s flap or ureteric reconstruction at a tertiary hospital were included in this study. The mean length of the stricture was 4.5 cms with longest

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Shreshta, Manish Kiran, Amey Narkhede, and Arun Gupta. "Antegrade Double-J Stenting in Grossly Dilated and Tortuous Ureters." Journal of Clinical Interventional Radiology ISVIR 4, no. 02 (2020): 125–29. http://dx.doi.org/10.1055/s-0040-1710165.

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AbstractFailure of retrograde approach for ureteric stenting warrants percutaneous nephrostomy with antergrade stenting to relieve the pressure symptoms and prevent the need for external drainage. However, in some tight ureteric strictures with grossly dilated tortuous ureter it may not be possible to navigate a ureteric stent across. In such instances pull through or rendezvous techniques have been advocated. Here, we have illustrated simple and novel techniques for traversing tortuous ureters with tight strictures. In one instance, a guide wire was snared via the perurethral approach and the

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Digiacomo, J. Christopher, Heidi Frankel, Michael F. Rotondo, C. William Schwab, and Gerald W. Shaftan. "Preoperative Radiographic Staging for Ureteral Injuries is Not Warranted in Patients Undergoing Celiotomy for Trauma." American Surgeon 67, no. 10 (2001): 969–73. http://dx.doi.org/10.1177/000313480106701012.

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Preoperative radiographic staging of the urinary tract has been shown to be inaccurate with regard to the ureter. The purpose of this study was to assess the need for radiographic staging of the injured patient for the diagnosis of ureteral injury before operative exploration. We conducted a retrospective review of all patients who sustained injury of the ureter as the result of external trauma over an 8 ½-year period at an urban and suburban Level I trauma center. All patients were injured through penetrating mechanisms and underwent laparotomy. Only three patients had preoperative radiograph

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Ahmed, Mohamed F., Asaad I. Othman, and Uday H. Mohammad. "Effect of ureteric stone location on the success rate of ureteroscopic Holmium laser lithotripsy." Journal of the Faculty of Medicine Baghdad 55, no. 3 (2013): 199–203. http://dx.doi.org/10.32007/jfacmedbagdad.553614.

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Background: Ureteral stone can cause obstructive uropathy and subsequent deterioration of renal function. There are four treatment options for ureteral calculi: lithotripsy, ureteroscopy, laparoscopic ureterolithotomy, and open stone surgery. Holmium YAG laser is an excellent intracorporial lithotripter for all kinds of stones. Accordingly, there is steady increase in number of ureteroscopic laser lithotripsy operations in the managmant of Ureteral stone. Objectives: this study was designed to demonstrate the effect of ureteric stone location on the success rate of ureteroscopic Holmium

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Ahmed, Mohamed F., Asaad I. Othman, and Uday H. Mohammad. "Effect of ureteric stone location on the success rate of ureteroscopic Holmium laser lithotripsy." Journal of the Faculty of Medicine Baghdad 55, no. 3 (2013): 199–203. http://dx.doi.org/10.32007/jfacmedbagdad.553614.

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Background: Ureteral stone can cause obstructive uropathy and subsequent deterioration of renal function. There are four treatment options for ureteral calculi: lithotripsy, ureteroscopy, laparoscopic ureterolithotomy, and open stone surgery. Holmium YAG laser is an excellent intracorporial lithotripter for all kinds of stones. Accordingly, there is steady increase in number of ureteroscopic laser lithotripsy operations in the managmant of Ureteral stone. Objectives: this study was designed to demonstrate the effect of ureteric stone location on the success rate of ureteroscopic Holmium

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Petsepe, Despoina C., Stavros K. Kourkoulis, Stavroula A. Papadodima, and Dimitrios P. Sokolis. "Regional and age-dependent residual strains, curvature, and dimensions of the human ureter." Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 232, no. 2 (2017): 149–62. http://dx.doi.org/10.1177/0954411917750192.

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The ureters are retroperitoneal structures controlling urine transport from the kidneys to the bladder. Because of the relative scarcity of data on the biomechanical properties of human ureter and the established importance of knowing these properties for understanding its physiology, we initiated biomechanical studies in cadaveric tissue. Herein, we report definite zero-stress/no-load geometrical characterization at 15 regions along the ureter of human cadavers aged 23–82 years, estimating the opening angle, circumferential residual strains, axial curvature, and dimensional parameters. Openin

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Laird, J. M., C. Roza, and F. Cervero. "Effects of artificial calculosis on rat ureter motility: peripheral contribution to the pain of ureteric colic." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 272, no. 5 (1997): R1409—R1416. http://dx.doi.org/10.1152/ajpregu.1997.272.5.r1409.

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The contribution of changes in ureter motility produced by a stone to the pain of ureteric calculosis is unclear. In this study we measured ureter motility as changes in intraureter pressure in anesthetized rats 1, 4, and 8 d ys after implantation of an artificial calculus (n = 33) and compared it with motility in normal (n = 8) and ligated (n = 4) ureters. Partial obstruction of the ureter by the stone produced a 478% increase in the amplitude of contractions, a 70% decrease in the rate of contractions, and a 66% decrease in the baseline pressure. The pressures reached during contractions wer

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Mahlknecht, Alois, Leonardo Bizzotto, Christoph Gamper, and Anton Wieser. "A rare complication of ureteral stenting: Case report of a uretero-arterial fistula and revision of the literature." Archivio Italiano di Urologia e Andrologia 90, no. 3 (2018): 215–17. http://dx.doi.org/10.4081/aiua.2018.3.215.

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Introduction: Uretero-arterial fistulas are a rare condition. The most frequent clinical sign is hematuria. Since these bleedings occur intermittently, the diagnosis is very difficult. If not discovered, uretero-arterial fistulas involve a very high rate of mortality or even results in loss of kidney function. Case report: The clinical case we describe is an unusual one. After a radical hysterectomy and a subsequent radiotherapy, a hydronephrosis caused by ureteral fibrosis occurred on both sides. Therefore, the patient received bilateral ureteral stents. During a change of the ureteral stents

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Warren Oyale, Ayonga, Khisa Wanjala Allan, Aswani Clevin Wakhisi, et al. "Right Kidney Anomaly: Incomplete Bifid Collecting System observed in an Adult Black African Female Cadaver." Mediterranean Journal of Basic and Applied Sciences 09, no. 02 (2025): 266–71. https://doi.org/10.46382/mjbas.2025.9220.

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This cadaveric report describes an incomplete duplicated ureter of the right kidney in an adult female cadaver. Dissection of the abdomen was performed, both right and left kidney exposed insitu. Results: It was observed that the right kidney had two ureters that converged at the level of Anterior Superior Iliac Spine just before entering the urinary bladder while left kidney had a single ureter running through to urinary bladder. The length of duplicated ureters of right kidney was 19.5 cm and 18.0cm respectively. On the right kidney, bifid ureters emerged each from its own renal pelvis while

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Nosov, A. K., D. I. Rumyantseva, E. M. Mamizhev, P. A. Lushina, N. A. Shchekuteev, and M. V. Berkut. "Left-sided flap transposition of the appendix for urethroplasty in oncourology." Cancer Urology 18, no. 1 (2022): 127–35. http://dx.doi.org/10.17650/1726-9776-2022-18-1-127-135.

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The ureter is a unique tubular structure, extremely sensitive to exogenous influences and directly affects to renal function. The injuries of the ureter remain one of the most difficult problems requiring an extraordinary surgical approach in urology. Extended strictures and obliterations of the ureters of various origins in the absence of timely treatment are accompanied by irreversible changes in the upper urinary system and renal parenchyma. Obstructive uroteropathy with transformation of the ureter wall, pelvis and kidney parenchyma in the case of oncology disease is caused directly by the

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Trombetta, C., G. Savoca, S. Poddighe, et al. "Surgical and endoscopic treatment of ureterocele: Case reports." Urologia Journal 62, no. 1_suppl (1995): 39–44. http://dx.doi.org/10.1177/039156039506201s09.

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— Ureterocele is a cystic dilatation of the ureter, often associated with urinary tract infection and vesico-ureteral reflux. Treatment should aim at preserving renal function. Eight patients with ureterocele were included in this study. Three of them underwent surgery hemiureteronephrectomy with ureterocystoneostomy was performed in two, while a supernumerary blind-ending ureter in the third was resected and the complementary ureter reimplanted. Endoscopic incision of the ureterocele was carried out in five patients, of whom four were children. Endoscopic incision was possible in all patients

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