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Following clinical, biochemical and radiological tests, the patient was prepared for surgical operation, with the presumed diagnosis of acute appendicitis. An appendicectomy was planned via a McBurney incision. Notably, no inflammation of the appendix was discovered. However, on further exploration, an inflammatory mass was identified in the transverse colon, which was subsequently excised and sent for histological examination. The histology results confirmed the presence of a ruptured solitary transverse colon diverticulum, accompanied by an adjacent mesenteric abscess. The patient\u2019s postoperative recovery was uneventful.<\/jats:p>","DOI":"10.1136\/bcr-2023-254703","type":"journal-article","created":{"date-parts":[[2024,1,31]],"date-time":"2024-01-31T12:25:58Z","timestamp":1706703958000},"page":"e254703","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":2,"title":["Transverse colon diverticulitis mimicking acute appendicitis"],"prefix":"10.1136","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6675-170X","authenticated-orcid":false,"given":"Ilias","family":"Vagios","sequence":"first","affiliation":[{"name":"1st Surgical Department, Laiko General Hospital, Athens, Attica, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7357-6532","authenticated-orcid":false,"given":"Michail","family":"Vailas","sequence":"additional","affiliation":[{"name":"1st Surgical Department, Laiko General Hospital, Athens, Attica, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chrysovalantis","family":"Vergadis","sequence":"additional","affiliation":[{"name":"Radiology, Division of Interventional Radiology, Laiko General Hospital, Athens, Attica, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dimitrios","family":"Schizas","sequence":"additional","affiliation":[{"name":"1st Surgical Department, Laiko General Hospital, Athens, Attica, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2024,1,31]]},"reference":[{"key":"2025082713032322000_17.1.e254703.1","doi-asserted-by":"crossref","DOI":"10.1136\/bmjopen-2019-034446","article-title":"Relationships between sites of abdominal pain and the organs involved: a prospective observational study","volume":"10","author":"Yamashita","year":"2020","journal-title":"BMJ Open"},{"key":"2025082713032322000_17.1.e254703.2","doi-asserted-by":"crossref","first-page":"285","DOI":"10.1016\/j.mjafi.2015.01.017","article-title":"Clinical mimics of acute appendicitis: Is there any role of imaging?","volume":"72","author":"Debnath","year":"2016","journal-title":"Med J Armed Forces India"},{"key":"2025082713032322000_17.1.e254703.3","doi-asserted-by":"crossref","first-page":"1159","DOI":"10.1016\/j.rcl.2015.06.004","article-title":"Evaluating the Patient with Right Lower Quadrant Pain","volume":"53","author":"Patel","year":"2015","journal-title":"Radiol Clin North Am"},{"key":"2025082713032322000_17.1.e254703.4","doi-asserted-by":"publisher","DOI":"10.1007\/s10350-006-0547-9"},{"key":"2025082713032322000_17.1.e254703.5","doi-asserted-by":"crossref","unstructured":"Leifeld L , Germer CT , B\u00f6hm S . S2k-Leitlinie Divertikelkrankheit\/Divertikulitis[S2k guidelines diverticular disease\/diverticulitis]. 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