Oral Contrast-Enhanced Bowel Ultrasound

  • Giovanni Maconi
Part of the Medical Radiology book series (MEDRAD)


Bowel ultrasound has become accepted in clinical practice as a primary useful tool in the diagnostic workup and follow-up of several gastrointestinal disorders. The major limit of sonographic evaluation the gastrointestinal tract is the presence of air, which makes difficult in achieving a detailed evaluation of the bowel wall structure and its changes. To overcome this limitation, filling of the stomach, small bowel, and colon with luminal contrast agents such as water or another echo-poor liquid has been proposed. Several studies examined efficacy of luminal contrast bowel ultrasound, showing that it provides an accurate evaluation of bowel wall structure and detects of bowel wall changes. Luminal contrast ultrasound showed an overall benefit over conventional ultrasound in the assessment of stomach, small bowel, and colon. However, comparative studies are still scanty and biased in study design and patient selection. The benefit of luminal contrast ultrasound may vary according to site examined, sonologist's experience, and indication. The use of luminal contrast agent in bowel ultrasound may improve results, but should be adopted on case-by-case basis, according to the clinical context and the sonologist's experience


Small Bowel Coeliac Disease Luminal Contrast Wireless Capsule Endoscopy Oral Contrast Agent 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.Chair of Gastroenterology, Department of Clinical SciencesL. Sacco University HospitalMilanItaly

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