{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,14]],"date-time":"2026-01-14T23:42:42Z","timestamp":1768434162251,"version":"3.49.0"},"reference-count":18,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"C","license":[{"start":{"date-parts":[[2019,1,1]],"date-time":"2019-01-01T00:00:00Z","timestamp":1546300800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2019,2,13]],"date-time":"2019-02-13T00:00:00Z","timestamp":1550016000000},"content-version":"vor","delay-in-days":43,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2019,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction:<\/jats:title>\n                    <jats:p>Pseudomyxoma extraperitonei (PE) is a rare finding. The most common cause is the rupture of a mucocele of the appendix into the retroperitoneum.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Presentation of case:<\/jats:title>\n                    <jats:p>Here we report a case of a 52 years old female patient with a mass in the right abdomen and vague lower abdominal pain underwent resection of a extraperitoneal encapsulated mass. The histopathological examination revealed a mucinous pseudomyxoma with a low grade of differentiation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion:<\/jats:title>\n                    <jats:p>We report a case of pseudomyxoma extraperitonei with a review of literature.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>The treatment of pseudomyxoma differs substantially depending on whether it is intraperitoneal or extraperitoneal. The risk of recurrence is such that follow-up, based on a physical examination, CT scan and serum markers, is essential.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Highlights<\/jats:title>\n                  <\/jats:sec>","DOI":"10.1016\/j.ijscr.2019.02.019","type":"journal-article","created":{"date-parts":[[2019,2,15]],"date-time":"2019-02-15T11:59:29Z","timestamp":1550231969000},"page":"40-44","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["An omental mass. Any idea?"],"prefix":"10.1097","volume":"56","author":[{"given":"G.","family":"Mascian\u00e0","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G.T.","family":"Capolupo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F.","family":"Carannante","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Caricato","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"276","reference":[{"key":"R1-11-20260114","first-page":"100","article-title":"Pseudomyxoma peritonei","volume":"24","author":"Werth","year":"1884","journal-title":"Arch Gynaecol"},{"key":"R2-11-20260114","doi-asserted-by":"crossref","first-page":"375","DOI":"10.1148\/51.3.375","article-title":"Retroperitoneal mucocoele of the appendix. A case report with characteristic roentgen features","volume":"51","author":"Bonnan","year":"1948","journal-title":"Radiology"},{"key":"R3-11-20260114","first-page":"601","article-title":"Su di un rarissimo caso di pseudomixoma retroperitoneale di probabile origine appendicolare","volume":"31","author":"Coppini","year":"1950","journal-title":"J Clin Med"},{"key":"R4-11-20260114","doi-asserted-by":"crossref","first-page":"439","DOI":"10.1016\/0002-9610(68)90238-9","article-title":"Giant retroperitoneal mucocele simulating pseudomyxoma peritonei and mucinous adenocarcinoma","volume":"116","author":"Early","year":"1968","journal-title":"Am J Surg"},{"key":"R5-11-20260114","doi-asserted-by":"crossref","first-page":"668","DOI":"10.1177\/014107688808101121","article-title":"Pseudomyxoma extraperitonei","volume":"81","author":"Moran","year":"1988","journal-title":"J Roy Soc Med"},{"key":"R6-11-20260114","first-page":"958","article-title":"Pseudomyxoma retroperitonei associated with appendiceal cystadenoma","volume":"60","author":"Shelton","year":"1994","journal-title":"Am Surg"},{"key":"R7-11-20260114","doi-asserted-by":"crossref","first-page":"268","DOI":"10.4321\/S1130-01082012000500009","article-title":"Pseudomyxoma retroperitonei: report of 2 cases and review of the literature","volume":"104","author":"Ioannidis","year":"2012","journal-title":"Rev. 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Dig"},{"key":"R8-11-20260114","doi-asserted-by":"crossref","first-page":"291","DOI":"10.1097\/01.pap.0000194625.05137.51","article-title":"Appendiceal mucinous tumors and pseudomy-xoma peritonei: histologic features, diagnostic problems, and proposed classification","volume":"12","author":"Pai","year":"2005","journal-title":"Adv Anat Pathol"},{"key":"R9-11-20260114","doi-asserted-by":"crossref","first-page":"138","DOI":"10.1016\/j.ctrv.2006.11.001","article-title":"Pseudomyxoma peritonei","volume":"33","author":"Smeenk","year":"2007","journal-title":"Cancer Treat Rev"},{"key":"R10-11-20260114","doi-asserted-by":"crossref","first-page":"527","DOI":"10.1067\/j.cpsurg.2008.04.003","article-title":"Pseudomy-xoma peritonei","volume":"45","author":"Smeenk","year":"2008","journal-title":"Curr Probl Surg"},{"key":"R11-11-20260114","first-page":"3","article-title":"Extraperitoneal presentation of pseudomyxoma peritonei as a scrotal mass: case report and review of the literature","volume":"20","author":"Issam","year":"2000","journal-title":"Ann Saudi Med"},{"key":"R12-11-20260114","doi-asserted-by":"crossref","first-page":"4757","DOI":"10.3748\/wjg.v17.i43.4757","article-title":"Spectrum of mucin-producing neoplastic conditions of the abdomen and pelvis: crosssectional imaging evaluation","volume":"17","author":"Lee","year":"2011","journal-title":"World J. Gastroenterol"},{"key":"R13-11-20260114","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1097\/00000658-199402000-00001","article-title":"Pseudomyxoma peritonei. A cancer whose biology is characterized by a redistribution phenomenon","volume":"219","author":"Sugarbaker","year":"1994","journal-title":"Ann. Surg"},{"key":"R14-11-20260114","doi-asserted-by":"crossref","first-page":"278","DOI":"10.1097\/01.sla.0000133183.15705.71","article-title":"Incomplete cytoreduction in 174 patients with peritoneal carcinomatosis from appendiceal malignancy","volume":"240","author":"Glehen","year":"2004","journal-title":"Ann. Surg"},{"key":"R15-11-20260114","doi-asserted-by":"crossref","first-page":"304","DOI":"10.1002\/bjs.4393","article-title":"Right hemicolectomy does not confer a survival advantage in patients with mucinous carcinoma of the appendix and peritoneal seeding","volume":"91","author":"Gonzalez-Moreno","year":"2004","journal-title":"Br. J. 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