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International Journal of Colorectal Disease

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01-02-2019 | Case Report

Cap polyposis in children: case report and literature review

Authors: Maximilian Brunner, Abbas Agaimy, Raja Atreya, Robert Grützmann, Klaus E. Matzel

Published in: International Journal of Colorectal Disease | Issue 2/2019

Abstract

Purpose

Cap polyposis is a benign disease of the colon, characterized by inflammatory polyps with a “cap” of inflammatory granulation tissue. Its prevalence is very low, especially in children.

Methods and results

A 16-year-old girl presented with frequent bowel movements with mucous discharge and bloody stool, leading to the initial suspicion of chronic inflammatory bowel disease. Results of further investigation by endoscopy and histological examination were consistent with a diagnosis of cap polyposis. Treatment with systemic steroids resulted in symptom improvement.

Conclusion

A review of the literature shows that cap polyposis can occur at any age, including childhood, with a slight predilection for the male gender. Rectal bleeding and rectal polyps are consistent features in all reported cases. Other typical symptoms include constipation, diarrhea, and abdominal pain. Symptoms may be very similar to those of chronic inflammatory bowel disease, the most important differential diagnosis. The cause of cap polyposis is still unclear, and specific therapy has not as yet been established. Conservative therapeutic measures should be preferred, especially in children.

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Title: Cap polyposis in children: case report and literature review
Authors: Maximilian Brunner
Abbas Agaimy
Raja Atreya
Robert Grützmann
Klaus E. Matzel
Publication date: 01-02-2019
Publisher: Springer Berlin Heidelberg
Published in: International Journal of Colorectal Disease / Issue 2/2019
Print ISSN: 0179-1958
Electronic ISSN: 1432-1262
DOI: https://doi.org/10.1007/s00384-018-3192-6

At a glance: The STEP trials

Springer Medicine

Cap polyposis in children: case report and literature review

Abstract

Purpose

Methods and results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods and results

Conclusion

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