{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,13]],"date-time":"2025-05-13T15:15:14Z","timestamp":1747149314252,"version":"3.40.5"},"reference-count":17,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2023,6,16]],"date-time":"2023-06-16T00:00:00Z","timestamp":1686873600000},"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":[[2023,7]]},"abstract":"<jats:sec><jats:title>Introduction<\/jats:title><jats:p>Liposarcoma is the most common retroperitoneal soft tissue tumor. Liposarcomas are often asymptomatic and are discovered after they become huge. Surgical resection is the first\u2010line treatment for retroperitoneal liposarcoma, but the surrounding organs are often resected with the liposarcoma.<\/jats:p><\/jats:sec><jats:sec><jats:title>Case presentation<\/jats:title><jats:p>A man saw a hospital with a complaint of left lower abdominal distention, and a left retroperitoneal mass was noted on imaging examination. The patient was referred to our hospital. The mass extended from the retroperitoneum through the inguinal canal to the thigh and involved the femoral nerve and psoas major muscle. A well\u2010differentiated liposarcoma was suspected, and an open surgical resection was performed. Complete resection of a retroperitoneal liposarcoma extending to the thigh was achieved without postoperative complications.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Treatment strategies for huge retroperitoneal liposarcomas are important to balance antitumor efficacy and postoperative quality of life.<\/jats:p><\/jats:sec>","DOI":"10.1002\/iju5.12600","type":"journal-article","created":{"date-parts":[[2023,6,16]],"date-time":"2023-06-16T07:24:11Z","timestamp":1686900251000},"page":"257-261","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A case of retroperitoneal liposarcoma extending through the inguinal canal to the thigh and lesser trochanter"],"prefix":"10.1002","volume":"6","author":[{"given":"Takahiro","family":"Maekawa","sequence":"first","affiliation":[{"name":"Department of Urology Osaka University Graduate School of Medicine  Suita Osaka Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1271-3521","authenticated-orcid":false,"given":"Yoshiyuki","family":"Yamamoto","sequence":"additional","affiliation":[{"name":"Department of Urology Osaka University Graduate School of Medicine  Suita Osaka Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8681-1407","authenticated-orcid":false,"given":"Taigo","family":"Kato","sequence":"additional","affiliation":[{"name":"Department of Urology Osaka University Graduate School of Medicine  Suita Osaka Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Koji","family":"Hatano","sequence":"additional","affiliation":[{"name":"Department of Urology Osaka University Graduate School of Medicine  Suita Osaka Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9369-4264","authenticated-orcid":false,"given":"Atsunari","family":"Kawashima","sequence":"additional","affiliation":[{"name":"Department of Urology Osaka University Graduate School of Medicine  Suita Osaka Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1336-4316","authenticated-orcid":false,"given":"Shinichiro","family":"Fukuhara","sequence":"additional","affiliation":[{"name":"Department of Urology Osaka University Graduate School of Medicine  Suita Osaka Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryoichi","family":"Imamura","sequence":"additional","affiliation":[{"name":"Department of Urology Osaka University Graduate School of Medicine  Suita Osaka Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Norio","family":"Nonomura","sequence":"additional","affiliation":[{"name":"Department of Urology Osaka University Graduate School of Medicine  Suita Osaka Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,6,16]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.2214\/ajr.164.1.7998525"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1200\/JCO.2008.18.0802"},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.sla.0000086542.11899.38"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejso.2016.10.032"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.1200\/JCO.1997.15.1.350"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.1097\/00000658-199809000-00008"},{"key":"e_1_2_12_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/cncr.23774"},{"key":"e_1_2_12_9_1","doi-asserted-by":"publisher","DOI":"10.14740\/wjon1528"},{"key":"e_1_2_12_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.juro.2006.12.006"},{"volume-title":"Soft Tissue and Bone Tumours","year":"2020","author":"WHO Classification of Tumours Editorial Board","key":"e_1_2_12_11_1"},{"key":"e_1_2_12_12_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.sla.0000234795.98607.00"},{"key":"e_1_2_12_13_1","doi-asserted-by":"publisher","DOI":"10.3389\/fsurg.2015.00004"},{"key":"e_1_2_12_14_1","doi-asserted-by":"publisher","DOI":"10.1097\/COC.0b013e31829b5667"},{"key":"e_1_2_12_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijscr.2011.03.009"},{"key":"e_1_2_12_16_1","first-page":"315","article-title":"Retroperitoneal well\u2010differentiated liposarcoma presenting as an incarcerated inguinal hernia","volume":"28","author":"Baldassarre E","year":"2007","journal-title":"G. 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