{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T22:48:36Z","timestamp":1789426116469,"version":"build-2803163510"},"reference-count":18,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2022,3,22]],"date-time":"2022-03-22T00:00:00Z","timestamp":1647907200000},"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":[[2022,5]]},"abstract":"<jats:sec><jats:title>Introduction<\/jats:title><jats:p>Retroperitoneal tumors with endocrine abnormalities are suspected to be functional adrenal tumors. Retroperitoneal soft tissue sarcomas are rare tumors, without endocrine potential.<\/jats:p><\/jats:sec><jats:sec><jats:title>Case presentation<\/jats:title><jats:p>A 60\u2010year\u2010old male was referred for a 15\u2009cm mass in the left suprarenal space. His plasma cortisol and catecholamine levels were elevated. He underwent open left adrenalectomy with radical nephrectomy and his endocrinological abnormalities were improved. Pathological findings suggested that it had originated from the retroperitoneal fat tissue, and a diagnosis of undifferentiated pleomorphic sarcoma was made based on the results of immunohistochemical analysis and fluorescence in situ hybridization. Interestingly, neither cortisol nor catecholamine was elevated when, 6\u2009months after surgery, local recurrence developed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>This is the first reported case of undifferentiated pleomorphic sarcoma accompanied by high levels of cortisol and catecholamine. We should keep in mind the possibility of tumors like retroperitoneal soft tissue sarcomas inducing endocrine abnormalities.<\/jats:p><\/jats:sec>","DOI":"10.1002\/iju5.12436","type":"journal-article","created":{"date-parts":[[2022,3,22]],"date-time":"2022-03-22T11:01:58Z","timestamp":1647946918000},"page":"195-198","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Undifferentiated pleomorphic sarcoma of the retroperitoneum mimicking a cortisol\u2010 and catecholamine\u2010secreting adrenal tumor"],"prefix":"10.1002","volume":"5","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6199-1608","authenticated-orcid":false,"given":"Takayoshi","family":"Fuu","sequence":"first","affiliation":[{"name":"Department of Urology Toranomon Hospital Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akihiro","family":"Yano","sequence":"additional","affiliation":[{"name":"Department of Urology Toranomon Hospital Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shinji","family":"Urakami","sequence":"additional","affiliation":[{"name":"Department of Urology Toranomon Hospital Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2022,3,22]]},"reference":[{"key":"e_1_2_13_2_1","doi-asserted-by":"publisher","DOI":"10.1210\/jc.2010-0457"},{"key":"e_1_2_13_3_1","doi-asserted-by":"publisher","DOI":"10.5603\/EP.2017.0028"},{"key":"e_1_2_13_4_1","doi-asserted-by":"publisher","DOI":"10.1200\/JCO.2008.18.0802"},{"key":"e_1_2_13_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejso.2016.10.032"},{"key":"e_1_2_13_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/cncr.28657"},{"key":"e_1_2_13_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.bjorl.2017.05.004"},{"key":"e_1_2_13_8_1","doi-asserted-by":"publisher","DOI":"10.6004\/jnccn.2010.0049"},{"key":"e_1_2_13_9_1","doi-asserted-by":"publisher","DOI":"10.1507\/endocrj.K09E-010"},{"key":"e_1_2_13_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijscr.2017.01.010"},{"key":"e_1_2_13_11_1","doi-asserted-by":"publisher","DOI":"10.1186\/1756-0500-7-313"},{"key":"e_1_2_13_12_1","doi-asserted-by":"publisher","DOI":"10.1200\/JCO.2004.08.019"},{"key":"e_1_2_13_13_1","doi-asserted-by":"publisher","DOI":"10.21037\/atm.2018.05.52"},{"key":"e_1_2_13_14_1","first-page":"470","article-title":"Retroperitonial liposarcoma mimicking pheochromocytoma","volume":"100","author":"Trimeche Ajmi S","year":"2008","journal-title":"Pathologica"},{"key":"e_1_2_13_15_1","doi-asserted-by":"publisher","DOI":"10.1385\/ENDO:24:1:099"},{"key":"e_1_2_13_16_1","doi-asserted-by":"publisher","DOI":"10.14310\/horm.2002.1296"},{"key":"e_1_2_13_17_1","first-page":"276","article-title":"Large B\u2010cell lymphoma mimicking adrenal pheochromocytoma","volume":"138","author":"Caliskan S","year":"2013","journal-title":"Indian J. 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