Transient small-bowel intussusception in children on CT

Peter J Strouse1, Michael A DiPietro, Fermin Saez

  • 1Department of Radiology, University of Michigan Health System, Ann Arbor, Michigan, USA. pstrouse@umich.edu

Pediatric Radiology
|April 16, 2003
PubMed

Insights

Most small-bowel intussusceptions found in children via CT scans are temporary and not clinically significant. This study reviewed CT scans to assess the frequency and importance of these findings in pediatric patients.

Area of Science:

  • Radiology
  • Pediatric Imaging
  • Gastrointestinal Imaging

Background:

  • Small-bowel intussusception is a rare condition in children.
  • CT scans are increasingly used for diagnosing abdominal pathologies in children.
  • The clinical significance of incidentally detected small-bowel intussusceptions on CT is not well-established.

Purpose of the Study:

  • To determine the frequency of small-bowel intussusception in pediatric patients.
  • To evaluate the clinical significance of small-bowel intussusception identified on CT scans.
  • To differentiate between transient and clinically significant intussusceptions.

Main Methods:

  • Retrospective review of abdominal CT reports from July 1995 to April 2002.
  • Identification of small-bowel intussusceptions based on characteristic imaging features.
  • Exclusion of ileocolic intussusceptions and those related to feeding tubes.
  • Correlation with medical records and follow-up imaging studies.

Main Results:

  • Twenty-five pediatric patients with small-bowel intussusception were identified.
  • No patient required surgery for persistent intussusception.
  • Resolution of intussusception was observed in 10 out of 14 patients with repeat immediate CT.
  • Underlying pathology requiring treatment was found in 4 patients; 21 patients had no clear correlation between symptoms and CT findings.

Conclusions:

  • Small-bowel intussusceptions identified in children on CT are predominantly transient.
  • Most identified cases are of no clinical significance.
  • CT findings should be interpreted in the clinical context to avoid unnecessary interventions.
Abstract

Related Concept Videos

Intestinal Obstruction I: Introduction01:29

Intestinal Obstruction I: Introduction

Intestinal obstruction is a partial or complete blockage of the small or large intestine that disrupts the normal flow of intestinal contents through the lumen. This interruption impairs digestion, absorption, and fluid balance, and may lead to serious complications if not treated promptly.Mechanical ObstructionMechanical obstruction occurs when a physical blockage prevents intestinal contents from passing, arising from within the lumen or the bowel wall, or from external compression.Adhesions,...
Intestinal Obstruction II: Pathophysiology01:07

Intestinal Obstruction II: Pathophysiology

Intestinal obstruction triggers a series of physiological responses, starting with gas and fluid accumulation in the bowel segment proximal to the obstruction, leading to distension. This distended intestine compresses the diaphragm, hindering lung expansion and potentially leading to reduced respiratory effort, atelectasis, and pneumonia.To overcome the blockage, the gut intensifies contractions, causing colicky abdominal pain, nausea, and vomiting, which reduces fluid and food intake and...
Renewal of Intestinal Stem Cells01:23

Renewal of Intestinal Stem Cells

The intestinal epithelial lining rapidly renews every 4 to 5 days. The renewal is facilitated by intestinal stem cells (ISCs) located at the base of the crypt– a gland located at the bottom of each villus. ISCs divide asymmetrically to form new stem cells and progenitor daughter cells. The daughter cells are called transit-amplifying (TA) cells which move upwards along the crypt and either differentiate into absorptive cells– the enterocytes or secretory cells– including the goblet,...
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
Diverticular Disease of the Colon01:27

Diverticular Disease of the Colon

Diverticular disease involves the formation of diverticula—small sac-like outpouchings of the colonic wall—and their complications. It most commonly affects the sigmoid colon due to higher intraluminal pressure and structural vulnerability. It results from structural weakness and increased pressure in the colon, producing pseudodiverticula that may remain silent or progress to inflammation and serious complications.Structure of DiverticulaIn diverticulosis, these outpouchings are...
Histology of the Small Intestine01:27

Histology of the Small Intestine

The small intestine exhibits a unique histological structure that significantly enhances its function in digestion and nutrient absorption. These structures include circular folds, villi, and various specialized cells that collectively facilitate the digestion of food.
The intestinal lining features transverse folds called circular folds, each housing fingerlike projections known as intestinal villi. These villi are covered by a layer of simple columnar epithelium, also referred to as...