15,777 results match your criteria ureteral bladder


Endometriosis and Its Myriad Presentations: Magnetic Resonance Imaging-Based Pictorial Review.

Indian J Radiol Imaging 2021 Jan 23;31(1):193-202. Epub 2021 May 23.

Department of CT and MRI, Sir Ganga Ram Hospital, New Delhi, India.

Endometriosis is a major cause of infertility and pain in females in the reproductive age group. It is a result of ectopic functional endometrial cells outside the uterus. It consists of a spectrum of findings from superficial to deep implants initiating a fibrotic response and resulting in adhesions. Read More

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January 2021

Telocytes, c-Kit positive cells, Smooth muscles, and collagen in the ureter of pediatric patients with congenital primary obstructive megaureter: elucidation of etiopathology.

Ultrastruct Pathol 2021 Jul 27:1-9. Epub 2021 Jul 27.

Department of Urology, Theodor Bilharz Research Institute, Cairo, Egypt.

Congenital primary obstructive megaureter (POM) is an uncommon pediatric anomaly that is due to obstructive distal ureter leading to the loss of peristalsis with consequent ureterohydronephrosis causing loss of kidney function. The objectives are to elucidate the etiology of POM by demonstrating the presence of interstitial cells of Cajal (ICC), telocytes, smooth muscles, and collage in the obstructive and dilated ureteral segments. The study was carried out on 15 surgical specimens of congenital POM in pediatric patients, age range was 4 to 24 months, they were operated upon by excision of the obstructed segment, tailoring the dilated ureter, and anastomosing it to the bladder. Read More

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A systematic review of radiation-related lymphopenia in genito-urinary malignancies.

Cancer Invest 2021 Jul 27:1-19. Epub 2021 Jul 27.

Department of Radiation Oncology, Loyola University, Chicago, IL.

Background: The impact of radiation related lymphopenia on clinical outcomes has been reported in various solid malignancies such as high grade gliomas, head and neck cancers, thoracic malignancies and gastro-intestinal malignancies but its impact is not clearly known in the context of common genito-urinary(GU) malignancies.

Methodology: To better understand the effect of radiation-associated lymphopenia in prostate and bladder cancer we undertook this systematic review of clinical studies that have studied radiation related lymphopenia in GU malignancies. A systematic methodology search of PubMed, Embase and Cochrane library resulted in 2125 abstracts. Read More

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Envisioning treating genetically-defined urinary tract malformations with viral vector-mediated gene therapy.

J Pediatr Urol 2021 Jul 7. Epub 2021 Jul 7.

Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, UK. Electronic address:

Human urinary tract malformations can cause dysfunctional voiding, urosepsis and kidney failure. Other affected individuals, with severe phenotypes on fetal ultrasound screening, undergo elective termination. Currently, there exist no specific treatments that target the primary biological disease mechanisms that generate these urinary tract malformations. Read More

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Clinical characteristics of urinary tract endometriosis: A one-year national series of 232 patients from 31 endometriosis expert centers (by the FRIENDS group).

Eur J Obstet Gynecol Reprod Biol 2021 Jun 16;264:155-161. Epub 2021 Jun 16.

Department of Gynaecologic and Oncologic Surgery and Obstetrics, Hôpital de la Croix Rousse, Hospices Civils de Lyon, Université Lyon 1, France. Electronic address:

Objective: To review prospectively the clinical characteristics of patients suffering from urinary tract endometriosis (UTE) in France, in 2017.

Study Design: We conducted a prospective observational multicenter study including women managed surgically for UTE in 31 French endometriosis expert centers (FRIENDS group) from January 1, 2017 to December 31, 2017. We distinguished patient with isolated bladder endometriosis ("IBE") or isolated ureteral endometriosis ("IUE") and patients associating both locations (mixed locations "ML"). Read More

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Show Me How Video: Straight-Up approach to Bedside Ureteral Stents.

Urology 2021 Jul 14. Epub 2021 Jul 14.

Division of Urology, Department of Surgery, University of Missouri. Electronic address:

Objective: To demonstrate placement of bedside double-j ureteral stents in an Emergent Department or hospital floor setting.

Background: Ureteral stent placement is a potentially lifesaving intervention and is one of the most common procedures performed by urologists. Although this procedure is typically performed in the operating room, studies have shown placing ureteral stents at the bedside could potentially decrease delay in stent placement, alleviate financial burdens of operating room use, decrease radiation exposure, and avoid general anesthesia risks. Read More

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[A Case of Diagnosed Lynch Syndrome in a Patient with Ureteral Cancer].

Hinyokika Kiyo 2021 Jun;67(6):229-232

The Department of Urology, Sapporo Medical University School of Medicine.

Lynch syndrome (LS) is an autosomal dominant genetic disorder in which tumors are known to develop at an early age. Upper tract urothelial carcinoma is one of the tumors related to Lynch syndrome. A 49-year-old woman visited a urologic clinic due to left abdominal pain. Read More

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Comparative study of renal drainage with different ureteral stents subject to extrinsic ureteral obstruction using an in vitro ureter-stent model.

BMC Urol 2021 Jul 14;21(1):100. Epub 2021 Jul 14.

Department of Earth and Planetary Sciences, Weizmann Institute of Science, 7610001, Rehovot, Israel.

Background: To compare the efficacy of different ureteral stents subject to extrinsic ureteral obstruction (EUO), in a controlled in vitro stented ureter experiment.

Methods: We employ an in vitro ureter-stent experimental set-up, with latex tubing simulating flexible ureters attached to vessels simulating renal units and bladders. The flow behavior of five ureteral stents-polymeric 8F, tandem 6F, tandem 7F, endopyelotomy and metal-was tested under a ureteral deformation configuration of 40°, with 2000 g external force over a 3. Read More

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Laparoscopic ureterolithotomy and retrograde flexible ureteroscopy-assisted transperitoneal laparoscopic ureteroureterostomy for a huge ureteropelvic junction stone and multiple small renal stones: A CARE-compliant case report.

Medicine (Baltimore) 2021 Jul;100(28):e26655

Department of Urology, China Medical University Hospital, Taichung, Taiwan.

Rationale: Concurrent kidney and ureteral stones are always complicated and a clinical challenge. Improvements in endoscopic equipment have led to the widespread adoption of retrograde intrarenal surgery, which has a good stone clearance rate. On the other hand, laparoscopic ureterolithotomy (LUL) has been reported to be non-inferior to retrograde flexible ureteroscopy in stone-free rate and the need for axillary procedures, and to have a significantly lower rate of post-operative sepsis compared to retrograde flexible ureteroscopy. Read More

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A Contemporary Clinicopathologic Analysis of Primary Urothelial Carcinoma of the Urethra Without Concurrent Renal Pelvic, Ureteral, or Bladder Carcinoma.

Int J Surg Pathol 2021 Jul 13:10668969211032481. Epub 2021 Jul 13.

12239Department of Pathology, Emory University School of Medicine, Atlanta, GA 30322, USA.

Primary urothelial carcinoma (UCa) of the urethra is relatively uncommon, and the underlying pathogenesis has not been well characterized, especially in the absence of concurrent UCa at other sites. A search for cases of primary UCa of the urethra was conducted. Patients with concurrent UCa of the renal pelvis, ureter, or bladder at the time of diagnosis of the primary tumor were excluded. Read More

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Robotic-assisted Laparoscopic Management of Bladder/Prostate Rhabdomyosarcoma in Children: Initial Series and 1-yr Outcomes.

J Endourol 2021 Jul 13. Epub 2021 Jul 13.

Bayi Children's Hospital, 196539, Beijing, China;

Objective: To present our preliminary experiences of robotic-assisted laparoscopic radical or partial cystectomy for bladder/prostate rhabdomyosarcoma in children.

Methods: A retrospective study was conducted with children who underwent robotic-assisted laparoscopic surgery for bladder/prostate rhabdomyosarcoma (B/P RMS) between July 2018 and March 2020. The patient characteristics, tumor position, perioperative information, short time oncologic survival outcomes, and urinary function were recorded and evaluated. Read More

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Submucosal impaction of a forgotten DJ stent: addressing the unexpected.

BMJ Case Rep 2021 Jul 12;14(7). Epub 2021 Jul 12.

Urology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.

A 16-year-old man with horseshoe kidney presented with a right-sided forgotten double J stent (DJS), 1 year after bilateral percutaneous nephrolithotomy. X-ray of the kidney, ureter and bladder showed bilateral residual stones with no encrustations or stone formation on the DJS. Initial attempt of DJS removal using 22 French (Fr) cystoscope and 6/7. Read More

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Neoadjuvant chemotherapy combined with radical surgery for stage IB2/IIA2 cervical squamous cell carcinoma: a prospective, randomized controlled study of 35 patients.

World J Surg Oncol 2021 Jul 12;19(1):209. Epub 2021 Jul 12.

Department of Chemotherapy Center, Ganzhou Cancer Hospital, No.19, Hua Yuan Qian Road, Ganzhou, 341000, Jiangxi Province, China.

Objective: This study aimed to evaluate the clinical outcomes for patients with stage IB2/IIA2 cervical squamous cell carcinoma treated with neoadjuvant chemotherapy combined with radical surgery.

Methods: A total of 68 patients with cervical squamous cell carcinoma were randomly divided into the experimental group (n = 35) and the control group (n = 33). The patients in the experimental group received paclitaxel plus cisplatin neoadjuvant chemotherapy for two cycles, then underwent radical hysterectomy and bilateral adnexectomy at 2 weeks post-chemotherapy. Read More

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[Surgical treatment of patients with urogenital tuberculosis].

Urologiia 2021 Jun(3):155-161

TB Research Institute of Ministry of Health of Russia, Novosibirsk, Russia.

Despite the modest positive trends in the epidemic situation for tuberculosis, the incidence of extrapulmonary tuberculosis is not consistent. The relevance of urogenital tuberculosis remains high, as well as its social significance. Tuberculosis of the kidneys and urinary tract is often diagnosed late, when drug therapy is not enough and surgical treatment is required. Read More

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Transplantation of En Bloc Pediatric Kidneys With a Bladder Segment Patch After a Complex Vascular Reconstruction: A Case Report.

Transplant Proc 2021 Jul 8. Epub 2021 Jul 8.

Department of Surgery, University of Miami Miller School of Medicine, Jackson Memorial Hospital, Miami, Florida; Miami Transplant Institute, University of Miami Miller School of Medicine, Jackson Memorial Hospital, Miami, Florida; Department of Urology, University of Miami Miller School of Medicine, Jackson Memorial Hospital, Miami, Florida. Electronic address:

Background: En bloc pediatric kidney (EBPK) allografts represent one potential solution to increase the number of organs available in the donor pool, thus facilitating transplantation of kidneys from young donors into adult recipients. However, EBPK transplantation has been traditionally considered suboptimal because of concerns for perioperative complications.

Methods: An extensive reconstruction and successful transplantation of an EBPK allograft using same pediatric donor vascular grafts and a bladder patch aiming to avoid postoperative complications is presented in this report. Read More

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Metastatic urothelial carcinoma to the brain, spinal cord and spine: A contemporary multi-institutional clinicopathologic analysis of 24 cases.

Pathol Res Pract 2021 Jul 1;224:153537. Epub 2021 Jul 1.

Department of Pathology, Emory University School of Medicine, Atlanta, GA 30322, USA; Department of Urology, Emory University School of Medicine, Atlanta, GA 30322, USA; Department of Pathology, Veterans Affairs Medical Center, Decatur, GA 30033, USA; Winship Cancer Institute of Emory University, Atlanta, GA 30322, USA. Electronic address:

Only case reports and small series of metastatic urothelial carcinoma (UCa) to the central nervous system (CNS) or spine have been published. We identified 24 cases at our institutions. The mean patient age was 64 years (range: 41-78 years) with a male predominance. Read More

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A gravity-assisted approach to the management of urinary diversion: Tc-MAG3 diuresis renography with F + 10(sp) method.

Ann Nucl Med 2021 Jul 8. Epub 2021 Jul 8.

Department of Urology, A. Gemelli Hospital IRCCS-Catholic University of Sacred Heart, Rome, Italy.

Objective: Radical cystectomy with permanent urinary diversion is the gold standard treatment for invasive muscle bladder cancer. Hydronephrosis is common in these patients, but Ultrasound (US) or Computed Tomography Urography (CTU) scan are unable to discriminate obstructive from non-obstructive hydronephrosis. We used Diuresis Renography (DR) with F + 10 in seated position (sp) method in the identification of patients with a Uretero-ileal Anastomosis Stricture (UAS) who would benefit from surgical therapy. Read More

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Complete transperitoneal laparoscopic nephroureterectomy in a single position for upper urinary tract urothelial carcinoma and comparative outcomes.

World J Surg Oncol 2021 Jul 2;19(1):195. Epub 2021 Jul 2.

Department of Urology, Changhai Hospital, Navy Medical University, 168 Changhai Rd, Shanghai, 200433, China.

Background: To describe the techniques and outcomes of complete transperitoneal laparoscopic nephroureterectomy (CTLNU) for upper urinary tract urothelial carcinoma (UTUC) in a single position.

Materials And Methods: Those patients with localized UTUC were included, among which 50 cases had CTLNU while 48 cases had laparoscopic nephroureterectomy with open bladder cuff excision (LNOBE). The clinical data were collected and analyzed retrospectively. Read More

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Proteomic Profiling of Ectosomes Derived from Paired Urothelial Bladder Cancer and Normal Cells Reveals the Presence of Biologically-Relevant Molecules.

Int J Mol Sci 2021 Jun 24;22(13). Epub 2021 Jun 24.

Department of Glycoconjugate Biochemistry, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University in Kraków, 30-387 Kraków, Poland.

Protein content of extracellular vesicles (EVs) can modulate different processes during carcinogenesis. Novel proteomic strategies have been applied several times to profile proteins present in exosomes released by urothelial bladder cancer (UBC) cells. However, similar studies have not been conducted so far on another population of EVs, i. Read More

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Risk factors associated with positive surgical margins' location at radical cystectomy and their impact on bladder cancer survival.

World J Urol 2021 Jul 1. Epub 2021 Jul 1.

Department of Surgical Oncology (Urology), Netherlands Cancer Institute-Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066 CX, Amsterdam, The Netherlands.

Purpose: To evaluate the risk factors associated with positive surgical margins' (PSMs) location and their impact on disease-specific survival (DSS) in patients with bladder cancer (BCa) undergoing radical cystectomy (RC).

Methods: We analyzed a large multi-institutional cohort of patients treated with upfront RC for non-metastatic (cT1-4aN0M0) BCa. Multivariable binomial logistic regression analyses were used to assess the risk of PSMs at RC for each location after adjusting for clinicopathological covariates. Read More

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Obstruction of a ureter orifice by suprapubic catheter.

Urol Case Rep 2021 Nov 15;39:101756. Epub 2021 Jun 15.

Faculty of Medicine, Hebrew University of Jerusalem, Israel, Department of Urology, Hadassah Hebrew University Medical Center, Jerusalem, Israel.

An Indwelling suprapubic catheter is an established solution for patients with meningomyelocele neurogenic bladder. We report on a case in which a routinely replaced suprapubic catheter obstructed the left ureter orifice. The catheter drainage holes were inside the distal left ureter which compromised urinary drainage from the other kidney as well. Read More

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November 2021

Arteriovenous malformation of ureter presenting without hematuria: An unusual presentation of a rare disease.

Urol Ann 2021 Apr-Jun;13(2):177-179. Epub 2021 Apr 13.

Department of Urology, K.S. Hegde Medical Academy, Mangalore, Karnataka, India.

Genitourinary tract arteriovenous malformations are extremely rare. Most of the lesions are found either in the kidney or urinary bladder. So far, to the best of our knowledge, only five cases of arteriovenous malformation of the ureter have been reported in the literature. Read More

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Robot-Assisted Laparoscopic Approach in a Patient of Zinner Syndrome with Hematuria: A Rare Presentation.

J Midlife Health 2021 Jan-Mar;12(1):79-81. Epub 2021 Apr 17.

Department of Urology, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India.

Congenital malformations of the seminal vesicles (SVs) are rare and are often associated with abnormalities of the ipsilateral upper tracts as embryologically both the ureteral buds and SVs arise from the mesonephric ducts. The triad of SV cysts, ipsilateral renal agenesis, and ejaculatory duct obstruction is known as the Zinner syndrome. We herein present the case of Zinner syndrome with hematuria as the mode of presentation. Read More

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FDG PET/CT in a Case of Lynch Syndrome With Synchronous Inverted Urothelial Papilloma of the Bladder, Urothelial Carcinoma of the Ureter, and Jejunal Adenocarcinoma.

Clin Nucl Med 2021 Jun 25. Epub 2021 Jun 25.

From the Department of Nuclear Medicine, General Hospital of Ningxia Medical University, Yinchuan, Ningxia Department of Nuclear Medicine, Changhai Hospital, Navy Medical University Department of Pathology, Shanghai Fourth People's Hospital Affiliated to Tongji University School of Medicine, Shanghai, China.

Abstract: A 64-year-old man was referred because of the right ureteral obstruction. CT urography showed an intraluminal enhancing mass in the right midureter and an enhancing nodule in the bladder wall. FDG PET/CT showed increased FDG uptake of the ureteral mass and an unexpected hypermetabolic lesion in the jejunum. Read More

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Intraoperative ultrasound assessment of ureteral patency during pelvic surgery.

Int Urogynecol J 2021 Jun 25. Epub 2021 Jun 25.

San Gerardo Hospital, Monza, Italy.

Ureteral injuries probably represent the most feared complication of benign hysterectomies. Lack of proper intraoperative detection causes diagnostic delay, which results in additional hospitalization, prolonged catheterization, and multiple additional procedures. However, the policy of universal cystoscopy is still under debate, owing to costs, increased operative time, lack of proper training, and risk of trauma. Read More

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Near-infrared fluorescent molecular probes for imaging and diagnosis of nephro-urological diseases.

Chem Sci 2020 Jun 18;12(10):3379-3392. Epub 2020 Jun 18.

School of Chemical and Biomedical Engineering, Nanyang Technological University 70 Nanyang Drive Singapore 637457 Singapore

Near-infrared (NIR) fluorescence imaging has improved imaging depth relative to conventional fluorescence imaging in the visible region, demonstrating great potential in both fundamental biomedical research and clinical practice. To improve the detection specificity, NIR fluorescence imaging probes have been under extensive development. This review summarizes the particular application of optical imaging probes with the NIR-I window (700-900 nm) or the NIR-II window (1000-1700 nm) emission for diagnosis of nephron-urological diseases. Read More

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Current Trends in Percutaneous Nephrolithotomy in China: A Spot Survey.

Risk Manag Healthc Policy 2021 16;14:2507-2515. Epub 2021 Jun 16.

Department of Urology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, The People's Republic of China.

Objective: To describe trends in the procedure of percutaneous nephrolithotomy (PCNL) in China to identify training needs.

Methods: A spot survey with 36 questions, which revealed demographic data, patterns of PCNL practice, and opinions regarding specific clinical cases, was administered to Chinese urologists during the 17 National Urological Urolithiasis Symposium held in Dandong in 2018.

Results: Out of 400 participants, 221 responses to the survey were received. Read More

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28 years of functioning of the ileal ureter - own experience and systematic review.

J Pediatr Urol 2021 Jun 1. Epub 2021 Jun 1.

Upper Silesian Child Health Center in Katowice, Silesian University of Medicine, Pediatric Surgery and Urological Department, Katowice, Poland.

A Short Introduction: Irreversible ureteral damage is a rare and challenging problem for pediatric urologists. Ileal replacement has become one of the limited surgical options for ureteral reconstruction. Only a few papers have examined the results of the ileal ureter and renal function outcomes. Read More

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High-pressure balloon dilatation for the treatment of primary obstructive megaureter: is it the first line of treatment in children and infants?

Swiss Med Wkly 2021 Jun 23;151:w20513. Epub 2021 Jun 23.

Paediatric Urology Unit, "Santobono- Pausilipon" Children's Hospital, Naples, Italy.

Aims Of The Study: To evaluate the efficacy of high-pressure balloon dilatation (HPBD) as treatment of primary obstructive megaureter (POM) in paediatric patients, we analysed the data of our institute from June 2018 to September 2019.

Methods: 14 patients, aged 5 months to 5 years, with POM were treated with HPBD. All patients had a distal ureter dilatation greater than 7 mm associated with obstructive features on a mercaptoacetyl triglycine-3 diuretic renogram scan, and a voiding cystourethrogram without vesicoureteral reflux. Read More

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Robotic assisted reconstruction for complications following urologic oncologic procedures.

Transl Androl Urol 2021 May;10(5):2272-2279

Division of Urology, Department of Surgery, Cooper University Health Care, Cooper Medical School of Rowan University, Camden, NJ, USA.

Despite technical refinements in urologic oncologic surgery, complications are inevitable and often carry significant morbidity. Similar to oncologic surgery, reconstructive surgery has realized a paradigm shift from mainly open to an increasingly minimally invasive approach. Robotic assisted surgery has facilitated this transition as it mitigates some of the limitations of traditional laparoscopy. Read More

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