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Colonic duplication presenting as a huge abdominal mass in an adult female. Int J Colorectal Dis 2019; 34: 1995\u20138.","DOI":"10.1007\/s00384-019-03409-9"},{"key":"6","doi-asserted-by":"crossref","unstructured":"6) Carneiro FP, de Nazareth Sobreira M, de Azevedo AE, et al. Colonic duplication in an adult mimicking a tumor of pancreas. World J Gastroenterol 2008; 14: 966\u20138.","DOI":"10.3748\/wjg.14.966"},{"key":"7","doi-asserted-by":"crossref","unstructured":"7) Van Pham N, Van Mai D, Duong PDT, et al. Duplication cyst in adult cases: a journey from diagnosis to treatment. J Surg Case Rep 2024; 2024: rjae460.","DOI":"10.1093\/jscr\/rjae460"},{"key":"8","doi-asserted-by":"crossref","unstructured":"8) Shanmugalingam A, Duxbury H, Choi JDW, et al. An unusual case of colonic duplication cyst in an adult with dysplasia. J Surg Case Rep 2023; 2023: rjad039.","DOI":"10.1093\/jscr\/rjad039"},{"key":"9","unstructured":"9) Ladd WE, Gross RE. Surgical treatment of duplications of the alimentary tract: enterogenous cysts, enteric cysts, or ileum duplex. Surg Gynecol Obstet 1940; 70: 295\u2013347."},{"key":"10","doi-asserted-by":"crossref","unstructured":"10) Smith JR. Accessory enteric formations: a classification and nomenclature. Arch Dis Child 1960; 35: 87\u20139.","DOI":"10.1136\/adc.35.179.87"},{"key":"11","doi-asserted-by":"crossref","unstructured":"11) Hoshi K, Ohta M, Kanemura E, et al. A case of ileal duplication presenting with bloody stools. J Jpn Soc Coloproctol 2002; 55: 43\u20136. (in Japanese)","DOI":"10.3862\/jcoloproctology.55.43"},{"key":"12","unstructured":"12) Otomi M, Yano M, Takai S, et al. A case of duplication of the transverse colon in adult, lined with ciliated columnar and squamous epithelium. Jpn J Soc Gastroenterol 2013; 110: 2089\u201399. (in Japanese)"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13) Wu X, Xu X, Zheng C, et al. Tubular colonic duplication in an adult: case report and brief literature review. J Int Med Res 2018; 46: 2970\u20135.","DOI":"10.1177\/0300060518773016"},{"key":"14","doi-asserted-by":"crossref","unstructured":"14) Adznan MA, Tai HA, Canda AE, et al. Colonic duplication in an adult with chronic constipation: a case report and review of its surgical management. Ann Coloproctol 2024; 40(Suppl 1): S6\u201310.","DOI":"10.3393\/ac.2022.01081.0154"},{"key":"15","doi-asserted-by":"crossref","unstructured":"15) Kekez T, Augustin G, Hrstic I, et al. Colonic duplication in an adult who presented with chronic constipation attributed to hypothyroidism. World J Gastroenterol 2008; 14: 644\u20136.","DOI":"10.3748\/wjg.14.644"},{"key":"16","doi-asserted-by":"crossref","unstructured":"16) Asour A, Kim HK, Arya S, et al. Tubular sigmoid duplication in an adult man: an interesting incidental finding. 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