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International Journal of Colorectal Disease

, Volume 34, Issue 2, pp 363–368 | Cite as

Cap polyposis in children: case report and literature review

  • Maximilian Brunner
  • Abbas Agaimy
  • Raja Atreya
  • Robert Grützmann
  • Klaus E. MatzelEmail author
Case Report
  • 92 Downloads

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.

Keywords

Cap polyposis Rectal polyp Inflammatory polyp Rectal prolapse Children 

Notes

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflicts of interest.

Informed consent

We obtained written informed consent for the patient reported herein.

Statement of human rights

For this type of study, formal consent is not required.

Statement on the welfare of animals

This article does not contain any studies with animals performed by any of the authors.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Maximilian Brunner
    • 1
  • Abbas Agaimy
    • 2
  • Raja Atreya
    • 3
  • Robert Grützmann
    • 1
  • Klaus E. Matzel
    • 1
    Email author
  1. 1.Department of General and Visceral SurgeryFriedrich-Alexander University Erlangen-NürnbergErlangenGermany
  2. 2.Department of PathologyFriedrich-Alexander University Erlangen-NürnbergErlangenGermany
  3. 3.Department of Medicine 1Friedrich-Alexander University Erlangen-NürnbergErlangenGermany

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