2018
DOI: 10.1016/j.urolonc.2018.02.009
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Upper tract urothelial carcinoma following intravesical bacillus Calmette-Guérin therapy for nonmuscle-invasive bladder cancer: Results from a multi-institutional retrospective study

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Cited by 20 publications
(19 citation statements)
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“…In our series, 80% of the cases were in the ureter, either alone or with involvement of the renal pelvis. Others have reported similar results regarding ureteral involvement, especially in the pelvic ureter and intramural ureter [4,14]. This observation can be explained by vesicoureteral reflux; however, this theory cannot explain UTUC recurrence post radical cystectomy that was reported with similar incidence (3.9%) in a study of 1420 patients [15], or an even higher incidence (6.4%) in a large meta-analysis [16].…”
Section: Discussionmentioning
confidence: 65%
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“…In our series, 80% of the cases were in the ureter, either alone or with involvement of the renal pelvis. Others have reported similar results regarding ureteral involvement, especially in the pelvic ureter and intramural ureter [4,14]. This observation can be explained by vesicoureteral reflux; however, this theory cannot explain UTUC recurrence post radical cystectomy that was reported with similar incidence (3.9%) in a study of 1420 patients [15], or an even higher incidence (6.4%) in a large meta-analysis [16].…”
Section: Discussionmentioning
confidence: 65%
“…Recurrence within 12 months increases the risk of UTUC recurrence by 4.5fold, as reported by Canales et al [2]. Other predictors were reported in a few studies: tumor grade, CIS, and BCG failure [5], tumor morphology (being non-papillary increases the risk) [14], and in some cases, no predictors were found [17]. A statistically significant difference in the incidence of UTUC between low-and high-risk NMIBC patients was reported by Hurle et al (0.6% and 4%) and Millan-Rodriguez et al (1% and 9.8%), respectively [3,4].…”
Section: Discussionmentioning
confidence: 67%
“…[13][14][15] Yüzeyel mesane tümörü hastalarında ise bu oran %2,6-25 arasında değişmektedir. [10][11][12] Sunduğumuz çalışma örneklemi, mesane tümörü nedeniyle transüretral rezeksiyon yapılmış olan hastalardan oluşmaktadır ve metakron ÜÜST gelişme oranı %6 olarak tespit edilmiştir. Yapılan çalışmalarda, mesanede birden fazla tümör olması, rekürren tümör olması ve yüksek dereceli tümör olması ÜÜST rekürrens riskini artıran faktörlerdendir.…”
Section: Discussionunclassified
“…7 Başlangıç tümör derecesine bağlı olarak tedaviyi takiben ÜÜST hastalarının %22-47'sinde mesanede nüks meydana gelirken, %2-5 oranında karşı taraf üst üriner sistemde nüks görülür. 8,9 Literatürde yüzeyel MK hastaların takiplerinde değişen oranlarda (%2, [6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25] metakron ÜÜST bildirilirken, sistektomi yapılan kas invaziv MK hastalarında metakron ÜÜST gelişimi ise %2-8 oranlarında bildirilmiştir. [10][11][12][13][14][15] MK nedeniyle yapılan transüretral rezeksiyon sırasında, üreter orifisi rezeksiyonunu takiben üreter orifis ağzının kapanmasını engellemek amacıyla ya da hidronefroz nedeniyle dekompresyon amaçlı double J stent (DJS) uygulanan hastalarda üst üriner sisteme tümör hücresi ekilim riski endişeleri bulunmaktadır.…”
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