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We report a rare case of isolated gallbladder intramucosal metastatic melanoma with features mimicking lymphoepithelial carcinoma in an adult patient who presented with cholecystitis. Additionally, we report the imaging and morphologic features and discuss the importance of these findings along with a clear clinical history and immunohistochemical profile to make a definitive diagnosis.<\/jats:p>","DOI":"10.1177\/1066896915588932","type":"journal-article","created":{"date-parts":[[2015,6,3]],"date-time":"2015-06-03T20:05:40Z","timestamp":1433361940000},"page":"409-413","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Isolated Gallbladder Intramucosal Metastatic Melanoma With Features Mimicking Lymphoepithelial Carcinoma"],"prefix":"10.1177","volume":"23","author":[{"given":"Amy A.","family":"Lo","sequence":"first","affiliation":[{"name":"Northwestern Memorial Hospital, Chicago, IL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joseph","family":"Peevey","sequence":"additional","affiliation":[{"name":"Northwestern Memorial Hospital, Chicago, IL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Edward C.","family":"Lo","sequence":"additional","affiliation":[{"name":"University of Illinois at Chicago, IL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joan","family":"Guitart","sequence":"additional","affiliation":[{"name":"Northwestern Memorial Hospital, Chicago, IL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. 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