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Contrast-Enhanced Colosonography for the Evaluation of Children With an Imperforate Anus

Jeanne S Chow1, Harriet J Paltiel1, Horacio M Padua1

  • 1Department of Radiology, Boston Children's Hospital, Boston, Massachusetts, USA.

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
|January 30, 2019
PubMed

Insights

Contrast-enhanced colosonography (ceCS) offers a radiation-free method to visualize anorectal malformations in children. This novel ultrasound technique accurately depicts complex anatomy, improving preoperative planning and patient safety.

Area of Science:

  • Pediatric Surgery
  • Diagnostic Imaging
  • Medical Ultrasound

Background:

  • Anorectal malformations (ARMs) require precise preoperative anatomical assessment for surgical planning.
  • Traditional imaging methods like fluoroscopy involve ionizing radiation, posing risks to pediatric patients.

Purpose of the Study:

  • To introduce and evaluate a novel contrast-enhanced ultrasound technique for preoperative imaging of pediatric anorectal malformations.
  • To compare the efficacy of contrast-enhanced colosonography (ceCS) with traditional fluoroscopic methods.

Main Methods:

  • A case series involving six pediatric patients with ARM (without perineal fistula) was conducted.
  • Patients underwent both fluoroscopic distal colostography and the novel contrast-enhanced colosonography (ceCS).
  • Surgical findings were used to confirm the accuracy of both imaging modalities.

Main Results:

  • Contrast-enhanced colosonography (ceCS) precisely demonstrated complex anatomical relationships in all evaluated cases.
  • The results from ceCS correlated well with surgical confirmations.
  • ceCS provided detailed anatomical visualization without the use of ionizing radiation.

Conclusions:

  • Contrast-enhanced colosonography (ceCS) is a safe and effective method for preoperative anatomical assessment in pediatric patients with anorectal malformations.
  • ceCS offers a significant advantage over fluoroscopic studies due to the absence of ionizing radiation, enhancing patient safety.

Keywords:
anorectal malformationcontrast-enhanced colosonographycontrast-enhanced ultrasoundimperforate anus

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