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About 955 results

ALLMedicine™ Urography Center

Research & Reviews  350 results

DNA Methylation Urine Biomarkers Test in the Diagnosis of Upper Tract Urothelial Carcin...
https://doi.org/10.1097/JU.0000000000002748
The Journal of Urology; Territo A, Gallioli A et. al.

May 14th, 2022 - The correct risk categorization and staging of upper tract urothelial cancer (UTUC) is key for disease management. Computed tomography urography (CTU) and urinary cytology have limited accuracy for risk stratification of UTUC. Ureteroscopy may inc...

The added value of virtual unenhanced images obtained from dual-energy CT Urography in ...
https://doi.org/10.1016/j.urology.2022.02.029
Urology Cheng Y, Sun J et. al.

Apr 27th, 2022 - To evaluate the detection and quantification of urinary stones using virtual unenhanced images (VUE) at different phases and slice thickness in contrast-enhanced dual-energy CT Urography (DECTU) in comparison with true unenhanced images (TUE). 112...

Computed tomography urography with corticomedullary phase can exclude urinary bladder c...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9006563
BMC Urology; Abuhasanein S, Hansen C et. al.

Apr 14th, 2022 - To evaluate the diagnostic accuracy of computed tomography-urography (CTU) to rule out urinary bladder cancer (UBC) and whether patients thereby could omit cystoscopy. All patients evaluated for macroscopic hematuria with CTU with cortico-medullar...

Normative values for ureteral diameter in children.
https://doi.org/10.1007/s00247-022-05349-z 10.1007/s00247-001-0615-1 10.1016/j.jpurol.2014.10.002 10.1177/028418518502600412 10.2214/ajr.182.4.1821039 10.1002/(SICI)1097-0096(199705)25:4<195::AID-JCU7>3.0.CO;2-9 10.1016/j.jpurol.2019.11.002 10.2307/3001968 10.1259/bjr.20160211 10.1111/j.1464-410X.1988.tb06586.x 10.1111/j.1464-410X.2004.05052.x
Pediatric Radiology; Shashi KK, Lee T et. al.

Apr 8th, 2022 - Assessment of the ureter is a fundamental part of the radiologic evaluation of the urinary tract. Abnormal ureteral dilation warrants further investigation to assess the etiology, which includes obstruction and/or reflux. Despite this fundamental ...

Computed Tomography Urography (CTU) vs Intravenous Urography (IVU) on Patients at Risk of Urothelial Tumors
https://clinicaltrials.gov/ct2/show/NCT00567684

Feb 8th, 2022 - Background for the Study: Currently, IVU is used to detect urothelial tumors and then computed tomography (CT) scans are performed after that, to check the status of the disease. This is typically done every 3 months for the first 2 years after di...

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Guidelines  2 results

ACR Appropriateness Criteria® Recurrent Lower Urinary Tract Infections in Females.
https://doi.org/10.1016/j.jacr.2020.09.003
Journal of the American College of Radiology : JACR; , Venkatesan AM et. al.

Nov 7th, 2020 - Urinary tract infections (UTIs) in women are common, with an overall lifetime risk over >50%. UTIs are considered recurrent when they follow complete clinical resolution of a previous UTI and are usually defined as at least three episodes of infec...

ACR Appropriateness Criteria® Pretreatment Staging of Muscle-Invasive Bladder Cancer.
https://doi.org/10.1016/j.jacr.2018.03.020
Journal of the American College of Radiology : JACR; , van der Pol CB et. al.

May 5th, 2018 - Muscle-invasive bladder cancer (MIBC) has a tendency toward urothelial multifocality and is at risk for local and distant spread, most commonly to the lymph nodes, bone, lung, liver, and peritoneum. Pretreatment staging of MIBC should include imag...

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Drugs  17 results see all →

Clinicaltrials.gov  6 results

Computed Tomography Urography (CTU) vs Intravenous Urography (IVU) on Patients at Risk of Urothelial Tumors
https://clinicaltrials.gov/ct2/show/NCT00567684

Feb 8th, 2022 - Background for the Study: Currently, IVU is used to detect urothelial tumors and then computed tomography (CT) scans are performed after that, to check the status of the disease. This is typically done every 3 months for the first 2 years after di...

Bladder Cancer Detection Using Convolutional Neural Networks
https://clinicaltrials.gov/ct2/show/NCT05193656

Jan 18th, 2022 - The investigators aim to experiment and implement various deep learning architectures to achieve human-level accuracy in Computer-aided diagnosis (CAD) systems. In particular, the investigators are interested in detecting bladder tumors from CT ur...

Diagnostic Values of Urothelial Carcinomas: Single-bolus Versus Split-bolus Computed Tomography Urography
https://clinicaltrials.gov/ct2/show/NCT04113603

Aug 5th, 2021 - This study will enroll 352 patients. The calculation of sample size is according to the following equation: n2=〖(Z∝+Zβ/2)〗^2/〖(δ-|ε|)〗^2 [p1(1-p1)/k+p1(1-p2)] ∝=0.05, β=0.2, δ=0.05, p1=0.96, p2=0.80 Then, the number of each arm patient should ...

The Preventive Infection Role of One Week Antibiotics Before Minimally Invasive Upper Tract Lithotomy
https://clinicaltrials.gov/ct2/show/NCT02789579

Oct 1st, 2019 - Sample Calculation: Based on the literature, the occurrence rate of fever after Percutaneous Nephrolithotripsy (PCNL) was 21% -39.8%, urinary tract infection rate 38%, SIRS rate 11.2%, the incidence rate of urinary sepsis 0.3% - 4.7%,and the morta...

Prophylactic Intravesical Chemotherapy to Prevent Bladder Recurrence After Diagnostic Ureteroscopy for Primary Upper Tract Urothelial Carcinoma Patients
https://clinicaltrials.gov/ct2/show/NCT02740426

Sep 21st, 2017 - INTRODUCTION Upper tract urothelial carcinomas (UTUC) are relatively uncommon compared to bladder cancer and account for only 5-10% of urothelial carcinomas [Munoz et al., 2000; Siegel et al., 2012; Rouprêt et al. 2015], with an estimated annual i...

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News  7 results

Low Diagnostic Yield With Cystoscopy and CT Urography for Urinary Tract Cancers
https://www.medscape.com/viewarticle/950949

May 12th, 2021 - (Reuters Health) - Few patients with microhematuria who undergo evaluation for urinary tract cancers with cystoscopy or computed tomographic urography are diagnosed with a malignancy, a systematic review and meta-analysis suggests. Researchers exa...

FDA Approves Pembrolizumab for High-Risk NMIBC
https://www.onclive.com/view/fda-approves-pembrolizumab-for-highrisk-nmibc

Dec 4th, 2020 - The FDA has approved pembrolizumab (Keytruda) for the treatment of patients with Bacillus Calmette-Guerin (BCG)—unresponsive, high-risk, non-muscle invasive bladder cancer (NMIBC) with carcinoma in situ (CIS) with or without papillary tumors who a...

FDA Panel Supports Pembrolizumab for High-Risk NMIBC
https://www.onclive.com/view/fda-panel-supports-pembrolizumab-for-highrisk-nmibc

Dec 4th, 2020 - The FDA’s Oncologic Drugs Advisory Committee (ODAC) voted 9 to 4 supporting the approval of a new drug application (NDA) for pembrolizumab (Keytruda) for the treatment of patients with Bacillus Calmette-Guerin (BCG)—unresponsive, high-risk, non-mu...

Fast Five Quiz: Urothelial Carcinoma
https://reference.medscape.com/viewarticle/935309_4

Aug 13th, 2020 - CT urography, including of the upper urinary tract collecting system, is recommended in the National Comprehensive Cancer Network (NCCN) treatment guidelines as part of this initial evaluation of a patient with suspected bladder cancer. Magnetic r...

FDA Approves Pembrolizumab for High-Risk Bladder Cancer
https://www.staging.medscape.com/viewarticle/923568

Jan 8th, 2020 - UPDATED with comments January 9, 2020 // The US Food and Drug Administration (FDA) has approved pembrolizumab (Keytruda, Merck) for the treatment of patients with bacillus Calmette-Guérin (BCG)–unresponsive, high-risk, non–muscle invasive bladder ...

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