Endoscopic features of non-IBD colitis

Authors

  • Flavia Pigò Junior Resident, Endoscopy Unit, Azienda Ospedaliero Universitaria of Modena, Civil Hospital of Baggiovara, Modena, Italy https://orcid.org/0000-0002-0917-0802
  • Reggiani Bonetti Luca Associate Professor, Department of Pathology, Polyclinic Hospital, University of Modena, Modena, Italy https://orcid.org/0000-0001-9132-4374
  • Conigliaro Rita Chief Resident, Endoscopy Unit, Azienda Ospedaliero Universitaria of Modena, Civil Hospital of Baggiovara, Modena, Italy

DOI:

https://doi.org/10.3126/ajms.v14i12.56578

Keywords:

Endoscopy; Non-IBD colitis; Outpatients

Abstract

Background: Studies about the endoscopic aspect of non-inflammatory bowel disease (IBD) colitis are scarce.

Aims and Objectives: The aim of this retrospective study was to describe the endoscopic appearance of non-IBD colitis (NIC) in an outpatient cohort.

Materials and Methods: All cases of NIC, from 2018 to 2021, with a recent outpatient colonoscopy, were enrolled. Diagnosis was based on clinical, endoscopic, and histological characteristics, and follow-up ≥6 months to recognize misdiagnosed IBD because of mimic causes.

Results: 158 patients (63 males, age 54 years±19) performed a colonoscopy with a final diagnosis of NIC associated with drug-exposition (74), food allergies (26), recent/active gastrointestinal infections (20), ischemic colitis (14), segmental colitis associated diverticulosis (SCAD) (10), obstructed defecation syndrome (ODS) (8) and microscopic colitis (6). Frequencies of endoscopic features and colon distribution were: Drug exposition (hyperemia, erosions/ulcers, 88%; right colon, 70%), recent infection (erosions, 60%; left colon/rectum, 88%), food allergies (red spots/erosions, 67%; all the colon), ischemic colitis (ulcers, 86%; right or left colon), SCAD (hyperemia/edema, 75%; always left colon), ODS (hyperemia, erosions, and loss of vascularity, 90%; always rectum), microscopic colitis (edema and hyperemia; all the colon).

Conclusion: Drug-exposition is the most frequent cause of out-patient NIC. In an appropriate diagnostic context, red spots, hyperemia, and erosions are associated with drug expositions, recent infections, and food allergies. Ulcers are more frequent with ischemic colitis or drug-exposition.

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Published

2023-12-01

How to Cite

Pigò, F., Reggiani Bonetti Luca, & Conigliaro Rita. (2023). Endoscopic features of non-IBD colitis. Asian Journal of Medical Sciences, 14(12), 183–191. https://doi.org/10.3126/ajms.v14i12.56578

Issue

Vol. 14 No. 12 (2023)

Section

Original Articles

License

Copyright (c) 2023 Asian Journal of Medical Sciences

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