{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T14:16:05Z","timestamp":1785248165749,"version":"3.55.0"},"reference-count":57,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2020,4,6]],"date-time":"2020-04-06T00:00:00Z","timestamp":1586131200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J of Urology"],"published-print":{"date-parts":[[2020,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Malignant ureteral obstruction is an unfortunate finding that can be caused by a wide\u2010ranging number of malignancies with a prognosis of limited survival. Given its presentation and progression, it can be refractory to treatment by traditional single polymeric ureteral stents. With a higher failure rate than causes of benign ureteral obstruction, a number of other options are available for initial management, as well as in cases of first\u2010line therapy failure, including tandem stents, metallic stents, percutaneous nephrostomies and extra\u2010anatomic stents. We reviewed the literature and carried out a PubMed search including the following keywords and phrases: \u201cmalignant ureteral obstruction,\u201d \u201ctandem ureteral stents,\u201d \u201cmetallic ureteral stents,\u201d \u201cresonance stent,\u201d \u201cmetal mesh ureteral stents\u201d and \u201cextra\u2010anatomic stents.\u201d The vast majority of studies were small and retrospective, with a large number of studies related to metallic stents. Given the heterogenous patient population and diversity of practice, it is difficult to truly assess the efficacy of each method. As there are no guidelines or major head\u2010to\u2010head prospective trials involving these techniques, it makes practicing up to the specific provider. However, this article attempts to provide a framework with which the urologist who is presented with malignant ureteral obstruction can plan in order to provide the individualized care on a case\u2010by\u2010case basis. What is clear is that prospective, randomized clinical trials are necessary to help bring evidence\u2010based medicine and guidelines for patients with malignant ureteral obstruction.<\/jats:p>","DOI":"10.1111\/iju.14235","type":"journal-article","created":{"date-parts":[[2020,4,7]],"date-time":"2020-04-07T00:19:46Z","timestamp":1586218786000},"page":"591-598","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":40,"title":["Management and treatment options when facing malignant ureteral obstruction"],"prefix":"10.1111","volume":"27","author":[{"given":"Christian","family":"Tabib","sequence":"first","affiliation":[{"name":"Smith Institute for Urology New Hyde Park New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel","family":"Nethala","sequence":"additional","affiliation":[{"name":"Smith Institute for Urology New Hyde Park New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zachary","family":"Kozel","sequence":"additional","affiliation":[{"name":"Smith Institute for Urology New Hyde Park New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zeph","family":"Okeke","sequence":"additional","affiliation":[{"name":"Smith Institute for Urology New Hyde Park New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,4,6]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/bju.12963"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.ju.0000130510.28768.f5"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.4111\/icu.2018.59.6.376"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-5347(05)65666-2"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.juro.2007.03.026"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.urology.2008.01.046"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.ju.0000181807.56114.b7"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.1308\/1478708051432"},{"key":"e_1_2_11_10_1","first-page":"21","article-title":"Urological management of extramural malignant ureteric obstruction: a survey of irish urologists. current","volume":"11","author":"O\u2019Connor E","year":"2017","journal-title":"Urology"},{"key":"e_1_2_11_11_1","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.168.2.3393656"},{"key":"e_1_2_11_12_1","doi-asserted-by":"crossref","first-page":"601","DOI":"10.1016\/S0033-8389(22)02327-2","article-title":"Transluminal dilatation of ureteropelvic junction strictures, ureteral strictures and strictures at ureteroneocystostomy sites","volume":"24","author":"Lang E","year":"1986","journal-title":"Radiol. 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