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On oesophagogastric duodenoscopy a duodenal polyp was identified. Surgical excision was performed and on histology, the duodenal polyp revealed a primary duodenal well differentiated liposarcoma. A literature review confirmed the rarity of primary duodenal liposarcomas, with only four cases previously reported.<\/jats:p>","DOI":"10.1177\/10668969221099628","type":"journal-article","created":{"date-parts":[[2022,5,25]],"date-time":"2022-05-25T03:02:01Z","timestamp":1653447721000},"page":"307-311","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Well Differentiated Liposarcoma Presenting as a Duodenal Polyp: A Case Report and Review of the Literature"],"prefix":"10.1177","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3949-8101","authenticated-orcid":false,"given":"Janine","family":"Warnick","sequence":"first","affiliation":[{"name":"Royal Surrey Hospital NHS Foundation Trust"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rajiv","family":"Lahiri","sequence":"additional","affiliation":[{"name":"Royal Surrey Hospital NHS Foundation Trust"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nariman","family":"Karanjia","sequence":"additional","affiliation":[{"name":"Royal Surrey Hospital NHS Foundation Trust"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cyril","family":"Fisher","sequence":"additional","affiliation":[{"name":"University Hospitals Birmingham NHS Foundation Trust"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Izhar","family":"Bagwan","sequence":"additional","affiliation":[{"name":"Royal Surrey Hospital NHS Foundation Trust"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2022,5,25]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1097\/00000658-199809000-00008"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.humpath.2019.12.004"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1159\/000507479"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1038\/modpathol.2008.84"},{"issue":"4","key":"e_1_3_2_6_2","first-page":"258","article-title":"Well-differentiated liposarcoma (atypical lipomatous tumors)","volume":"18","author":"Laurino L","year":"2001","unstructured":"Laurino L, Furlanetto A, Orvieto E, Dei Tos AP. 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