{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T22:05:24Z","timestamp":1773871524957,"version":"3.50.1"},"reference-count":15,"publisher":"Oxford University Press (OUP)","issue":"9","license":[{"start":{"date-parts":[[2021,9,9]],"date-time":"2021-09-09T00:00:00Z","timestamp":1631145600000},"content-version":"vor","delay-in-days":8,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Sawanpracharak Hospital Medical Education Center"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,9,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Colonic actinomycosis is rare and can present as an ill-defined intra-abdominal mass that can be difficult to differentiate from colon cancer. This case report aims to share the details of this case and provide diagnostic clues. A 63-year-old female presented with a palpable right-sided abdominal mass. Computed tomography (CT) revealed irregular thickening of the colonic hepatic flexure, and colonoscopy detected no abnormalities. Five months later, the patient returned with an increase in the mass size. Repeat CT revealed lesion expansion, with suspected abdominal wall invasion. Extended right-hemicolectomy with abdominal wall wedge resection was performed, and the histological results were compatible with actinomycosis infection. Colonic actinomycosis is a rare chronic inflammatory disease. Normal colonic mucosa during colonoscopy, with clinical and imaging findings, may help physicians diagnose the condition preoperatively.<\/jats:p>","DOI":"10.1093\/jscr\/rjab381","type":"journal-article","created":{"date-parts":[[2021,9,8]],"date-time":"2021-09-08T11:19:00Z","timestamp":1631099940000},"source":"Crossref","is-referenced-by-count":2,"title":["Colonic actinomycosis presenting as a palpable colonic mass with normal colonic mucosa"],"prefix":"10.1093","volume":"2021","author":[{"given":"Mai","family":"Charernsuk","sequence":"first","affiliation":[{"name":"Department of Surgery, Sawanpracharak Hospital, Nakhon Sawan, Thailand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5418-682X","authenticated-orcid":false,"given":"Suppadech","family":"Tunruttanakul","sequence":"additional","affiliation":[{"name":"Department of Surgery, Sawanpracharak Hospital, Nakhon Sawan, Thailand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ratchanee","family":"Tunruttanakul","sequence":"additional","affiliation":[{"name":"Department of Surgery, Sawanpracharak Hospital, Nakhon Sawan, Thailand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Borirak","family":"Chareonsil","sequence":"additional","affiliation":[{"name":"Department of Surgery, Sawanpracharak Hospital, Nakhon Sawan, Thailand"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2021,9,8]]},"reference":[{"key":"2021092108343052800_ref1","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1016\/j.ijscr.2010.07.002","article-title":"Actinomycosis of the colon with invasion of the abdominal wall: an uncommon presentation of a colonic tumour","volume":"1","author":"McFarlane","year":"2010","journal-title":"Int J Surg Case Rep"},{"key":"2021092108343052800_ref2","doi-asserted-by":"crossref","first-page":"1255","DOI":"10.1086\/516337","article-title":"Actinomycosis","volume":"26","author":"Smego","year":"1998","journal-title":"Clin Infect Dis"},{"key":"2021092108343052800_ref3","doi-asserted-by":"crossref","first-page":"1562","DOI":"10.1001\/archinte.1975.00330120040006","article-title":"A study of 57 cases of actinomycosis over a 36-year period. 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