Results 21 to 30 of about 2,357,761 (180)

Fluorescent Ureteral Catheter-Assisted Retroperitoneoscopic Biopsy for Periureteral IgG4-Related Disease Mimicking Upper Tract Urothelial Carcinoma. [PDF]

open access: yesIJU Case Rep
ABSTRACT Introduction Periureteral IgG4‐related disease (IgG4‐RD) is rare and can mimic upper tract urothelial carcinoma (UTUC), sometimes leading to unnecessary nephroureterectomy. Diagnosis is challenging when endoscopic biopsy is inconclusive and percutaneous biopsy is unsafe.
Yoshida T   +9 more
europepmc   +2 more sources

Diagnostic ureteroscopy in CT urography-diagnosed upper tract urothelial carcinoma: delay in definitive treatment and increased intravesical recurrence [PDF]

open access: yes, 2021
Purpose To investigate the effect of diagnostic ureteroscopy (URS) on the delay to surgical treatment of upper tract urothelial carcinoma (UTUC) detected by imaging and the risk of intravesical recurrence.
Shsm, Hadi   +4 more
core   +1 more source

Surgical management for upper urinary tract transitional cell carcinoma [PDF]

open access: yes, 2011
Background Upper tract transitional cell carcinomas (TCC) are uncommon and aggressive tumours. There are a number of surgical approaches to manage this condition including open radical nephroureterectomy and laparoscopic procedures.
El-Mokadem, Ismail   +11 more
core   +1 more source

Use of the T-1470 LiteTouch™ Laser in the En Bloc Resection of an Upper Tract Urothelial Cancer

open access: yesCase Reports in Urology, 2021
Background. Endoscopic laser-ablative therapy of upper tract urothelial carcinoma offers kidney-sparing treatment for well-selected low-risk tumors. The traditional technique consists of tumor biopsy with flexible forceps or nitinol basket for pathologic
Ezra Shoen   +4 more
doaj   +1 more source

Urothelial carcinoma; an overview of histology, molecular subtypes, and clinical implications based on the latest WHO classification [PDF]

open access: yesJournal of Nephropathology, 2023
The incidence of urothelial carcinoma is increasing worldwide (including in Iran). Bladder cancer can be classified in various manners according to the standardized histomorphology set by the World Health Organization (WHO). Various genetic modifications
Fateme Khalatbari   +2 more
doaj   +1 more source

[Instillation therapies for urothelial carcinoma of the upper urinary tract]. [PDF]

open access: yes, 2019
Traditionally, urothelial carcinoma of the upper urinary tract was a clear indication for radical nephroureterectomy with bladder cuff excision. It has been shown that in well-selected patients and depending on tumor stage, a kidney-sparing approach can ...
Roth, Beat   +2 more
core   +1 more source

Port Site Recurrence Following a Robotic Laparoscopic Radical Nephroureterectomy for Sarcomatoid Variant of Urothelial Carcinoma

open access: yesUrology Case Reports, 2017
Port Site Recurrence (PSR) following laparoscopic tumor resections has been reported for a variety of tumors. Though PSR is a rare phenomenon, they most commonly occur following nephroureterectomies for upper tract urothelial carcinoma.
Jonathan Elliott Katz   +3 more
doaj   +1 more source

"The creeping tumor:" An unusual presentation of upper urinary tract malignancy

open access: yesIndian Journal of Urology, 2014
Upper urinary tract urothelial malignancy accounts for 5-10% of urothelial carcinomas. Synchronous bladder carcinoma occurs in 2-4% of patients with upper urinary tract tumors.
Velaiyan Selvaraj   +3 more
doaj   +1 more source

CT Urography Findings of Upper Urinary Tract Carcinoma and Its Mimickers: A Pictorial Review

open access: yesMedicina, 2020
Urothelial carcinoma (UC) is the fourth most frequent tumor in Western countries and upper tract urothelial carcinoma (UTUC), affecting pyelocaliceal cavities and ureter, accounts for 5–10% of all UCs.
Paola Martingano   +4 more
doaj   +1 more source

A review of the contemporary management of upper urinary tract urothelial carcinoma

open access: yes, 2017
Upper tract urothelial carcinoma (UTUC) is relatively rare and accounts for approximately 5% of all urothelial carcinomas. The estimated annual incidence of UTUC in Western countries is about two new cases per 100,000 inhabitants.
Seshadri Sriprasad   +2 more
core   +2 more sources

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