{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T05:05:31Z","timestamp":1760159131307,"version":"3.40.5"},"reference-count":17,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2020,5,28]],"date-time":"2020-05-28T00:00:00Z","timestamp":1590624000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["IJU Case Reports"],"published-print":{"date-parts":[[2020,9]]},"abstract":"<jats:sec><jats:title>Introduction<\/jats:title><jats:p>Plasmacytoid urothelial carcinoma is a rare and aggressive variant of bladder cancer.<\/jats:p><\/jats:sec><jats:sec><jats:title>Case presentation<\/jats:title><jats:p>A 75\u2010year\u2010old woman presented with plasmacytoid urothelial carcinoma with retroperitoneal dissemination was treated with chemotherapy. After an unsuccessful first\u2010line chemotherapy with gemcitabine and cisplatin, we assessed circulating tumor cells; one such cell was found to be positive for programmed death\u2010ligand 1. The patient received second\u2010line chemotherapy with pembrolizumab. However, the tumor extended to the retroperitoneal organs, and the patient eventually died. Autopsy revealed a widespread diffuse scirrhous infiltration of the carcinoma into the retroperitoneum. However, distant metastasis was not observed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The evaluation of circulating tumor cells and autopsy revealed a disease state of progressive plasmacytoid urothelial carcinoma treated with pembrolizumab.<\/jats:p><\/jats:sec>","DOI":"10.1002\/iju5.12167","type":"journal-article","created":{"date-parts":[[2020,5,28]],"date-time":"2020-05-28T07:52:14Z","timestamp":1590652334000},"page":"166-169","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Progressive plasmacytoid variant bladder cancer with retroperitoneal dissemination: An autopsy case report"],"prefix":"10.1002","volume":"3","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6510-7461","authenticated-orcid":false,"given":"Yuki","family":"Kohada","sequence":"first","affiliation":[{"name":"Division of Urology Faculty of Medicine Tohoku Medical and Pharmaceutical University Sendai Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasuhiro","family":"Kaiho","sequence":"additional","affiliation":[{"name":"Division of Urology Faculty of Medicine Tohoku Medical and Pharmaceutical University Sendai Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jun","family":"Ito","sequence":"additional","affiliation":[{"name":"Division of Urology Faculty of Medicine Tohoku Medical and Pharmaceutical University Sendai Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jotaro","family":"Mikami","sequence":"additional","affiliation":[{"name":"Division of Urology Faculty of Medicine Tohoku Medical and Pharmaceutical University Sendai Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Go","family":"Anan","sequence":"additional","affiliation":[{"name":"Division of Urology Faculty of Medicine Tohoku Medical and Pharmaceutical University Sendai Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katsutoshi","family":"Asano","sequence":"additional","affiliation":[{"name":"Nihon Gene Research Laboratories Inc Sendai Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toru","family":"Yaegashi","sequence":"additional","affiliation":[{"name":"Nihon Gene Research Laboratories Inc Sendai Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kazuhiro","family":"Murakami","sequence":"additional","affiliation":[{"name":"Division of Pathology Faculty of Medicine Tohoku Medical and Pharmaceutical University Sendai Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasuhiro","family":"Nakamura","sequence":"additional","affiliation":[{"name":"Division of Pathology Faculty of Medicine Tohoku Medical and Pharmaceutical University Sendai Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Makoto","family":"Sato","sequence":"additional","affiliation":[{"name":"Division of Urology Faculty of Medicine Tohoku Medical and Pharmaceutical University Sendai Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2020,5,28]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1002\/ijc.25700"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.juro.2012.11.084"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1093\/ajcp\/aqx029"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.5489\/cuaj.3789"},{"key":"e_1_2_8_6_1","first-page":"277","article-title":"Plasmacytoid transitional cell carcinoma. 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