{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,8]],"date-time":"2025-07-08T06:26:40Z","timestamp":1751956000411,"version":"3.33.0"},"reference-count":17,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2015,8,27]],"date-time":"2015-08-27T00:00:00Z","timestamp":1440633600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Urologia"],"published-print":{"date-parts":[[2016,4]]},"abstract":"<jats:sec><jats:title>Introduction<\/jats:title><jats:p> Two cases of severe ureteral obstruction following nonspecific, postinfectious, chronic retroperitoneal fibrosis are described, which both originated by a primitive intestinal pathology. <\/jats:p><\/jats:sec><jats:sec><jats:title>Patients<\/jats:title><jats:p> This complication was observed in two women: first, 65 years old, submitted for ulcerative colitis to a total proctocolectomy, with ileo-pouch-anal anastomosis, complicated by an anastomotic fistula; and second, 66 years old, operated with an extended left hemicolectomy, for an adenocarcinoma of the recto-sigmoid colon complicated with a vaginal fistula. In these cases, computerized tomography demonstrated a unilateral hydronephrosis, secondary to a complete obstruction of the ureter; a subsequent nephro-ureterectomy became necessary. Histology demonstrated nonspecific inflammatory lesions. <\/jats:p><\/jats:sec><jats:sec><jats:title>Discussions<\/jats:title><jats:p> Postinfectious, chronic inflammation of the retroperitoneum acts on the ureteral and peri-ureteral tissues, inducing an inflammatory and then a fibrotic process. <\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p> We underline the opportunity of a precocious and radical treatment of every retroperitoneal infection. <\/jats:p><\/jats:sec>","DOI":"10.5301\/uro.5000134","type":"journal-article","created":{"date-parts":[[2015,10,2]],"date-time":"2015-10-02T11:31:44Z","timestamp":1443785504000},"page":"99-102","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Chronic, Nonspecific, Postinfectious, Retroperitoneal Fibrosis and Ureteral Obstruction"],"prefix":"10.1177","volume":"83","author":[{"given":"Angelo","family":"Territo","sequence":"first","affiliation":[{"name":"Department of Urology, University of Modena and Reggio Emilia, Modena - Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Salvatore","family":"Micali","sequence":"additional","affiliation":[{"name":"Department of Urology, University of Modena and Reggio Emilia, Modena - Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Antonio","family":"Manenti","sequence":"additional","affiliation":[{"name":"Department of General Surgery, University of Modena and Reggio Emilia, Modena - Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eugenio","family":"Martorana","sequence":"additional","affiliation":[{"name":"Department of Urology, University of Modena and Reggio Emilia, Modena - Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Giacomo Maria","family":"Pirola","sequence":"additional","affiliation":[{"name":"Department of Urology, University of Modena and Reggio Emilia, Modena - Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Giampaolo","family":"Bianchi","sequence":"additional","affiliation":[{"name":"Department of Urology, University of Modena and Reggio Emilia, Modena - 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