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Application value of split-bolus contrast injection combined with dual-energy CT scanning technology in pediatric CTU imaging.
Eur J Radiol
January 2025
Department of Radiology Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Child Neurodevelopment and Cognitive Disorders, China. Electronic address:
Objective: To explore the clinical value of combining split-bolus contrast injection with dual-energy CT(DECT) scanning technology in pediatric computed tomography urography (CTU) imaging.
Methods: A total of 128 children aged 0-17 years were prospectively selected and randomly assigned to three groups: A, B, and C. For Group A, a high-pitch flash mode was employed, where a single bolus of contrast agent was followed by four-phase scanning (noncontrast, cortex, medulla, and excretory phases).
New Trends and Future Perspectives in the Diagnosis of Urothelial Carcinoma: A Comprehensive Review of the Literature.
Medicina (Kaunas)
January 2025
Urology Department, Metropolitan Hospital, Neo Faliro, 18547 Piraeus, Greece.
Despite the high incidence of bladder cancer (it represents the 7th most common cancer in males), EAU guidelines do not recommend any technique for screening and prevention, whereas the main diagnostic tools remain computed tomography urography (CTU), cytology, and cystoscopy. Unfortunately, these gold-standard modalities are mainly characterized by low sensitivity and accuracy. To minimize the limitations and increase the detection rates of urothelial cancer, several technologies have been developed.
View Article and Find Full Text PDFUnravelling the case of suspected ectopic ureter in a young adult patient.
Radiol Case Rep
March 2025
Department of Radiology, Hasan Sadikin Academic Medical Center-Faculty of Medicine, University of Padjadjaran, Jatinangor, Indonesia.
An ectopic ureter (EU) opens outside the bladder's trigone, a rare condition with an incidence of 0.05%-0.025%.
View Article and Find Full Text PDF[Diagnostic algorithm and key differential diagnoses of hematuria].
MMW Fortschr Med
January 2025
Urologische Klinik und Poliklinik, Klinikum Großhadern der LMU München, Marchioninistraße 15, 81377, München, Deutschland.
The different causes of hematuria depend largely on age, gender and clinical context. Macrohematuria should always be investigated using cystoscopy and advanced imaging (CT/MRI with urographic phase). The most common differential diagnoses of macrohematuria include urinary tract infection, stones and urothelial carcinoma.
View Article and Find Full Text PDFHematuria in the ER patient: optimizing detection of upper tract urothelial cancer - A pictorial essay.
Emerg Radiol
January 2025
Department of Radiology and Radiological Science, School of Medicine, Johns Hopkins University, 601 North Caroline Street, Baltimore, MD, 21287-0801, USA.
Upper tract urothelial carcinoma (UTUC) is a rare and challenging subset of the more frequently encountered urothelial carcinomas (UCs), comprising roughly 5-7% of all UCs and less than 10% of all renal tumors. Hematuria is a common presenting symptom in the emergency setting, often prompting imaging to rule out serious etiologies, with UTUC especially posing as a diagnostic challenge. These UTUC lesions of the kidney and ureter are often small, mimicking other pathologies, and are more aggressive than typical UC of the bladder, emphasizing the importance of timely and accurate diagnosis.
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