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International Journal of Colorectal Disease
Published in: International Journal of Colorectal Disease 4/2019

01-04-2019 | Colonoscopy | Original Article

Appendix orifice polyps: a study of 691 lesions at a single institution

Authors: Tarek H. Hassab, James M. Church

Published in: International Journal of Colorectal Disease | Issue 4/2019

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Abstract

Purpose

Data on the management of appendix orifice lesions are limited. We present our experience on the management of appendix orifice lesions focusing on the range of size, histology, treatment, and outcomes for polyps at the appendix orifice.

Methods

Retrospective descriptive study at a tertiary referral center. Patients: Those having appendix orifice lesion removed and sent for histology between 2000 and 2017. Interventions(s): Polypectomy, surgery. Main outcome measures: Polyp size, shape, histology, treatment.

Results

In total, 691 patients matched our inclusion criteria. Screening was the most common indication for colonoscopy (49.1%). Mean size was 10.1 mm. The most common excision method was cold biopsy forceps (36.3%), followed by hot snare (9.3%), cold snare (8.5%), jumbo cold forceps (6.7%), hot biopsy (6.8%), and endoscopic mucosal resection (EMR)/endoscopic submucosal dissection (ESD) (4%). Recurrence was seen in 19/184 (10.3%) patients. Index polyps ≥ 10 mm had a significantly higher risk of recurrence compared to those ≤ 5 mm (odds ratio 3.2 95% CI 1.1–9.2, p = 0.027). None of the patients had complications. Surgery was performed in 45/691 (6.5%). Polyps > 5 mm (41/45) were more likely to require surgery than polyps ≤ 5 mm (4/45 6.67%), p < 0.001.

Limitations

Retrospective study.

Conclusion

Appendix orifice polyps can usually be managed by conventional endoscopic polypectomy methods without the need for ESD.
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Metadata
Title
Appendix orifice polyps: a study of 691 lesions at a single institution
Authors
Tarek H. Hassab
James M. Church
Publication date
01-04-2019
Publisher
Springer Berlin Heidelberg
Published in
International Journal of Colorectal Disease / Issue 4/2019
Print ISSN: 0179-1958
Electronic ISSN: 1432-1262
DOI
https://doi.org/10.1007/s00384-019-03251-z

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