{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T08:07:10Z","timestamp":1790323630217,"version":"4.1.0"},"reference-count":10,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T00:00:00Z","timestamp":1786924800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T00:00:00Z","timestamp":1786924800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["IJU Case Reports"],"published-print":{"date-parts":[[2026,9]]},"abstract":"ABSTRACT<\/jats:title>\n \n Introduction<\/jats:title>\n Pyelonephritis with contralateral vesicoureteral reflux (VUR) after robot\u2010assisted radical nephroureterectomy (RANU) in a solitary kidney has rarely been reported.<\/jats:p>\n <\/jats:sec>\n \n Case Presentation<\/jats:title>\n \n A 73\u2010year\u2010old woman with preoperative lower urinary tract symptoms (LUTS; IPSS 15, OABSS 7) underwent right RANU for urothelial carcinoma of the renal pelvis (cT3N0M0). On postoperative day (POD) 12 she developed fever, and on POD 16 she was readmitted with left pyelonephritis and\n \n Escherichia coli<\/jats:italic>\n <\/jats:styled-content>\n bacteremia. Contrast\u2010enhanced computed tomography revealed multiple wedge\u2010shaped hypoenhancing areas in the left kidney, consistent with acute focal bacterial nephritis. Inflammatory markers improved promptly with antibiotics. Cystography on POD 21 demonstrated left grade 1 VUR limited to the storage phase, which resolved spontaneously 1\u2009month after discharge.\n <\/jats:p>\n <\/jats:sec>\n \n Conclusion<\/jats:title>\n Latent lower urinary tract dysfunction may unmask contralateral VUR in patients with a solitary kidney after RANU. Preoperative LUTS evaluation and prompt cystography during postoperative infection may help preserve contralateral renal function.<\/jats:p>\n <\/jats:sec>","DOI":"10.1002\/iju5.70251","type":"journal-article","created":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T06:53:53Z","timestamp":1787036033000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A Case Report of Left Pyelonephritis With Low\u2010Grade Contralateral Vesicoureteral Reflux After Robot\u2010Assisted Right Nephroureterectomy"],"prefix":"10.1002","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-1618-1646","authenticated-orcid":false,"given":"Shuhei","family":"Kusano","sequence":"first","affiliation":[{"name":"Department of Urology, Faculty of Medicine Saga University Saga Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8266-6652","authenticated-orcid":false,"given":"Shohei","family":"Tobu","sequence":"additional","affiliation":[{"name":"Department of Urology, Faculty of Medicine Saga University Saga Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Minika","family":"Yukimoto","sequence":"additional","affiliation":[{"name":"Department of Urology, Faculty of Medicine Saga University Saga Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyohei","family":"Matsushita","sequence":"additional","affiliation":[{"name":"Department of Urology, Faculty of Medicine Saga University Saga Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1829-4014","authenticated-orcid":false,"given":"Akihiro","family":"Maeda","sequence":"additional","affiliation":[{"name":"Department of Urology, Faculty of Medicine Saga University Saga 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