Double Early Rectal Cancer Arising from Multiple Inflammatory Cloacogenic Polyps Resected by Endoscopic Submucosal Dissection

A 45-year-old man visited our institution due to the onset of hematochezia. He had a previous episode nine years earlier and colonoscopy at that time revealed multiple polyps, which were consistent with inflammatory cloacogenic polyps (ICPs) on the dentate line. Colonoscopy was performed again and t...

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Bibliographic Details
Published in:Internal Medicine 2021/02/15, Vol.60(4), pp.533-537
Main Authors: Ochiai, Yorinari, Matsui, Akira, Ito, Shinji, Takazawa, Yutaka, Kikuchi, Daisuke, Hoteya, Shu
Format: Article
Language:English
Subjects:
Case Report
Colon
Colonoscopy
Endoscopic Mucosal Resection
endoscopic submucosal dissection
Endoscopy
Gastrointestinal Hemorrhage
Humans
Inflammation
inflammatory cloacogenic polyp
Internal medicine
Intestinal Polyps
Male
Middle Aged
mucosal prolapse syndrome
Polyps
rectal cancer
Rectal Neoplasms - surgery
Rectum
solitary rectal ulcer syndrome
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Summary:A 45-year-old man visited our institution due to the onset of hematochezia. He had a previous episode nine years earlier and colonoscopy at that time revealed multiple polyps, which were consistent with inflammatory cloacogenic polyps (ICPs) on the dentate line. Colonoscopy was performed again and two of the ICPs had grown. Both lesions were pathologically diagnosed as adenocarcinomas based on biopsies. Endoscopic submucosal dissection (ESD) was performed and the two lesions were diagnosed as double well-differentiated adenocarcinomas arising from ICPs. To our knowledge, this is the first reported case of double early rectal cancer in ICPs, which were followed endoscopically and successfully resected with ESD.
ISSN:0918-2918
1349-7235
DOI:10.2169/internalmedicine.5686-20