Results 1 to 10 of about 10,677 (153)
Contrast-enhanced ultrasonography promotes differential diagnosis of ureteral neoplasms [PDF]
British Journal of Radiology, 2021 Objective: To compare the diagnostic value of contrast-enhanced ultrasonography (CEUS) with baseline ultrasound (B-US) in ureteral neoplasms. Methods: Retrospective analysis, comprising clinical presentation, image appearances, and diagnostic results on B-ultrasound and CEUS, considering pathological result as a gold-standard, was conducted on the ...
Wenjie Hu, , Chunxiao Li
exaly +4 more sources
Endoscopic laser resection of a ureteral tumour in primary multiple malignant neoplasms
Вестник урологии, 2021 A case of the ureteral tumour endoscopic treatment is presented in a patient with primary multiple malignancies. In the case of polyneoplasia, there are usually two or more neoplasms of different localizations, including the organs of the urinary system.
B. G. Guliev +2 more
doaj +3 more sources
Case Report: A rare case of unilateral renal clear cell carcinoma with synchronous contralateral ureteral metastasis [PDF]
Frontiers in OncologyBackgroundRenal cell carcinoma (RCC) rarely metastasizes to the contralateral ureter. Fewer than 10 such cases have been reported, mostly involving clear cell RCC (CCRCC) with associated hydronephrosis and renal insufficiency.
Yichen Qian +5 more
doaj +2 more sources
High‐Grade Urothelial Carcinoma Arising From a Ureteral Diverticulum: A Rare Case Report [PDF]
IJU Case ReportsIntroduction Ureteral diverticula are rare urological anomalies characterized by outpouchings of the ureteral wall. Malignancy arising from these structures is exceptionally rare, with only a few cases reported.
Iason Papadopoulos +9 more
doaj +2 more sources
Open Life Sciences, 2022 Multiple primary malignant neoplasms (MPMNs) are defined as multiple tumors with different pathogenic origins. MPMNs are rare, but the morbidity rate is on the rise.
Wan Long +8 more
doaj +3 more sources
Extragonadal yolk sac tumor of the ureter with neuroendocrine differentiation: A case report [PDF]
Urology Case ReportsExtragonadal germ cell tumors in the urinary tract are exceptionally rare, with only a small number of cases documented in the literature. Although these neoplasms exhibit considerable histologic heterogeneity, neuroendocrine differentiation within these
Masato Takanashi +2 more
doaj +2 more sources
Benign ureteral polyps causing upper urinary tract obstruction
Urology Case Reports, 2021 Ureteral fibroepithelial polyps are benign, mesodermal neoplasms that can cause upper urinary tract obstruction. The preoperative diagnosis of this disease is challenging, but multidetector computed tomography (CT), particularly CT urography in the ...
Nguyen Duy Hung +3 more
doaj +1 more source
The Current State and Future of Plasma Cell-Free DNA Analysis in Urologic Malignancies [PDF]
Journal of Urologic Oncology, 2023 Genomic medicine based on comprehensive genomic profiling (CGP) has revolutionized cancer treatment. However, there are certain limitations to CGP based on tissue analysis.
Shusuke Akamatsu +4 more
doaj +1 more source
RadioGraphics, 1990 The authors review primary and secondary neoplastic lesions of the ureter. Primary ureteral tumors are rare, although when they occur, they usually consist of transitional cell carcinoma. The most frequent symptoms are hematuria, frequency, dysuria, and pain.
C S, Winalski, J C, Lipman, S S, Tumeh
openaire +2 more sources
Ureteral polyps protruding from the urethra
BMC Urology, 2021 Background Ureteral fibro-epithelial polyp (UFP) is a rare benign ureteral tumor, and surgical removal of the polyps is still the preferred solution. Although many cases have reported polyps extending to the bladder, our case was the first to report a ...
Zhi-Wei Sun +3 more
doaj +1 more source