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Abdominal Radiology

, Volume 43, Issue 7, pp 1583–1589 | Cite as

Penetrating Crohn disease: does it occur in the absence of stricturing disease?

  • Emily S. Orscheln
  • Jonathan R. Dillman
  • Alexander J. Towbin
  • Lee A. Denson
  • Andrew T. Trout
Article

Abstract

Purpose

To establish the relationship between penetrating complications and bowel luminal narrowing/stricturing disease in pediatric Crohn disease (CD).

Materials and methods

This retrospective study was IRB-approved and HIPAA compliant with waiver of informed consent. CT and MRI examinations describing intra-abdominal penetrating complications in CD patients ≤ 18 years old between January 1, 2009 and March 31, 2016 were reviewed to document: type of complication, affected bowel segment, minimum bowel luminal diameter, maximum upstream diameter, location of penetrating complication relative to luminal narrowing, length of narrowed bowel segment, and the presence of active bowel wall inflammation. Data were summarized using descriptive statistics including means, standard deviations, as well as counts and percentages.

Results

A total of 52 penetrating complications were identified in 45 patients. Mean patient age was 15.7 ± 2.2 years (range 11–18 years) with 25/45 (56%) boys. Nearly all penetrating complications (51/52, 98%) were associated with a minimum bowel luminal diameter of ≤ 2 mm, with no visible lumen in 26/52 (50%). Mean maximum upstream diameter was 2.8 ± 0.8 cm (range 1.2–5.2 cm), and 17/52 (33%) penetrating complications were associated with > 3 cm upstream diameter. The mean ratio of maximum to minimum luminal diameter was 26.2 ± 8.8 (range 3.6–52.0). Active intestinal inflammation was associated with 100% (52/52) of penetrating complications. Nearly every penetrating complication (51/52, 98%) involved the terminal or distal ileum.

Conclusions

Penetrating complications in pediatric CD nearly always occur in the setting of considerable luminal narrowing or stricture and active intestinal inflammation.

Keywords

Crohn disease Inflammatory bowel disease Gastrointestinal Pediatric 

Notes

Compliance with ethical standards

Conflict of interest

Dr. Jonathan Dillman receives IBD-related research funding from Siemens Ultrasound and Bracco Diagnostics, but none related to this project. Dr. Emily Orscheln declares no conflict of interest. Dr. Alexander Towbin declares no conflict of interest. Dr. Lee Denson declares no conflict of interest. Dr. Andrew Trout declares no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. For this retrospective study, formal consent of human participants is not required and was waived. This article does not contain any studies with animals performed by any of the authors.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2017

Authors and Affiliations

  • Emily S. Orscheln
    • 1
  • Jonathan R. Dillman
    • 1
  • Alexander J. Towbin
    • 1
  • Lee A. Denson
    • 2
  • Andrew T. Trout
    • 1
  1. 1.Department of Radiology and Medical ImagingCincinnati Children’s Hospital Medical CenterCincinnatiUSA
  2. 2.Division of Gastroenterology, Hepatology, and NutritionCincinnati Children’s Hospital Medical CenterCincinnatiUSA

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