{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,5]],"date-time":"2026-06-05T06:34:35Z","timestamp":1780641275257,"version":"3.54.1"},"reference-count":27,"publisher":"BMJ","issue":"1","license":[{"start":{"date-parts":[[2021,3,11]],"date-time":"2021-03-11T00:00:00Z","timestamp":1615420800000},"content-version":"unspecified","delay-in-days":10,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["World Jnl Ped Surgery"],"accepted":{"date-parts":[[2021,2,24]]},"published-print":{"date-parts":[[2021,3]]},"abstract":"<jats:sec>\n                  <jats:title>Objective<\/jats:title>\n                  <jats:p>To summarize the diagnosis and treatment experience of children with intermittent hydronephrosis caused by ureteral fibroepithelial polyp (UFP).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>From 2017 to 2020, cases of hydronephrosis caused by ureteral polyp in Anhui Provincial Children\u2019s Hospital were retrospectively enrolled for investigation. Demographic data, clinical manifestations, operation details, pathology and outcomes were collected from patients\u2019 medical data for analysis.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>All seven cases of UFP were boys, including six cases on the left side of the ureter and one case on the right side, at the median age of 7.1 years (3\u201314 years), with abdominal intermittent pain as the first symptom. All cases underwent laparoscopic pyeloureteroplasty. All the operations were completed successfully; postoperative pathology indicated the presence of primary UFP. Postoperative follow-ups of 1\u201330 months showed satisfactory recovery and relief from hydronephrosis.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>Laparoscopic pyeloureteroplasty or ureteroureterostomy is one of the optimal treatments for ureteral polyp at present. The surgical method should be determined according to the number of polyps, the length and the diameter of the affected ureter, and also the status of renal function of the patients.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1136\/wjps-2020-000243","type":"journal-article","created":{"date-parts":[[2021,3,12]],"date-time":"2021-03-12T11:07:11Z","timestamp":1615547231000},"page":"e000243","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":7,"title":["Laparoscopic approach for intermittent hydronephrosis caused by primary ureteral fibroepithelial polyps in children"],"prefix":"10.1136","volume":"4","author":[{"given":"Han","family":"Chu","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yongsheng","family":"Cao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qifei","family":"Deng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2021,3,12]]},"reference":[{"key":"2025081809512040000_4.1.e000243.1","doi-asserted-by":"crossref","first-page":"327","DOI":"10.3892\/mco.2017.1146","article-title":"Rare giant primary ureteral polyp: a case report and literature review","volume":"6","author":"Cai","year":"2017","journal-title":"Mol Clin Oncol"},{"key":"2025081809512040000_4.1.e000243.2","doi-asserted-by":"crossref","first-page":"172","DOI":"10.1089\/cren.2016.0100","article-title":"Endourologic diagnosis and robotic treatment of a giant Fibroepithelial polyp of the ureter","volume":"2","author":"Cattaneo","year":"2016","journal-title":"J Endourol Case Rep"},{"key":"2025081809512040000_4.1.e000243.3","doi-asserted-by":"crossref","first-page":"78","DOI":"10.1055\/s-0035-1555654","article-title":"Laparoscopic approach to a rare cause of ureteropelvic junction obstruction in a child: ureteral polyp","volume":"3","author":"Arda","year":"2015","journal-title":"European J Pediatr Surg Rep"},{"key":"2025081809512040000_4.1.e000243.4","doi-asserted-by":"crossref","DOI":"10.1097\/MD.0000000000011747","article-title":"Treatment of large fibroepithelial polyps in the proximal ureter with antegrade plus retrograde endoscopic laser polypectomy","volume":"97","author":"Cao","year":"2018","journal-title":"Medicine"},{"key":"2025081809512040000_4.1.e000243.5","doi-asserted-by":"crossref","unstructured":"Patel RV , Johal N , Evans K . Antenatal mild hydronephrosis with subsequent polyp of the upper ureter in a child presenting with recurrent Dietl\u2019s crisis. 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