{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T08:07:09Z","timestamp":1790323629455,"version":"4.1.0"},"reference-count":19,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,8,11]],"date-time":"2026-08-11T00:00:00Z","timestamp":1786406400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,8,11]],"date-time":"2026-08-11T00:00:00Z","timestamp":1786406400000},"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":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Secondary malignancies arising in intestinal segments used for urinary diversion are rare, and reports of malignant lymphoma are extremely limited. We report a rare case of follicular lymphoma arising in an ileal neobladder 20\u2009years after radical cystectomy.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Case Presentation<\/jats:title>\n                    <jats:p>An 81\u2010year\u2010old man had undergone radical cystectomy with ileal neobladder reconstruction for muscle\u2010invasive bladder cancer (pT2bN0M0) 20\u2009years earlier and had remained recurrence\u2010free. Follow\u2010up imaging incidentally revealed a large pelvic mass contiguous with the neobladder and multiple enlarged lymph nodes. Transurethral resection led to a diagnosis of follicular lymphoma. Treatment with bendamustine plus rituximab achieved marked tumor reduction without severe adverse events.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Malignant lymphoma arising in urinary diversion organs is extremely rare. This case highlights the potential for late\u2010onset lymphoid malignancies following urinary diversion and emphasizes the need for long\u2010term clinical awareness of secondary malignancies in such patients.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/iju5.70250","type":"journal-article","created":{"date-parts":[[2026,8,12]],"date-time":"2026-08-12T05:57:12Z","timestamp":1786514232000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Follicular Lymphoma Arising in an Ileal Neobladder Presenting as a Large Pelvic Mass"],"prefix":"10.1002","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-3154-469X","authenticated-orcid":false,"given":"Ken","family":"Fujita","sequence":"first","affiliation":[{"name":"Department of Urology St. Luke's International Hospital  Ch\u016b\u014d 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