Year 2026 / Volume 118 / Number 3
Letter
Very rare isolated colonic inflammatory cap polyps in a patient with known long-standing ulcerative colitis

175-176

DOI: 10.17235/reed.2024.10931/2024

Raffaele Pellegrino, Giovanna Palladino, Michele Izzo, Alessandro Federico, Antonietta Gerarda Gravina,

Abstract
Inflammatory cap polyps (ICP) are an extremely rare finding during digestive endoscopy, typically presenting as multiple polyps in the form of cap polyposis. Among the few reported cases of ICP, some have been associated with multiple polyposis forms, showing a clinical presentation similar to inflammatory bowel disease (IBD), which was subsequently ruled out following further diagnostic evaluation. In this report, we present an exceptionally rare case of two isolated ICPs (not in the form of cap polyposis) in a patient with a long-standing, well-established histological diagnosis of IBD located in atypical sites (specifically, the descending and transverse colon), with a characteristic endoscopic appearance. ICP can, therefore, manifest in patients with IBD and not merely be responsible for clinical presentations that require differential diagnosis from it.
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References
1. Mason M, Faizi SA, Fischer E, Rajput A. Inflammatory cap polyposis in a 42-year-old male. Int J Surg Case Rep. 2013;4(3):351–3.
2. Batra S, Johal J, Lee P, Hourigan S. Cap Polyposis Masquerading as Inflammatory Bowel Disease in a Child. J Pediatr Gastroenterol Nutr. 2018 Sep;67(3):e57.
3. Valdés Delgado T, Barranco Castro D, Argüelles Arias F. Cap-Polyposis: A Cause of Treatment Failure in Ulcerative Colitis. Inflamm Bowel Dis. 2022 Jul 1;28(7):e108–9.
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Pellegrino R, Palladino G, Izzo M, Federico A, Gravina A. Very rare isolated colonic inflammatory cap polyps in a patient with known long-standing ulcerative colitis. 10931/2024


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Publication history

Received: 10/11/2024

Accepted: 25/11/2024

Online First: 04/12/2024

Published: 06/03/2026

Article Online First time: 24 days

Article editing time: 481 days


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