[Diluted barium contrast agent for digestive opacification in abdominal x-ray computed tomography]

Computed tomography is the gold standard technique for abdominal examination with a sliced-imaging modality, because actually US and MRI are not as available for studying hollow viscera. Oral opacification is necessary to analyze bowel loops, and complete iodinated venous injection which is indispensable to examine intra-abdominal organs. Oral administration of a barium diluted contrast agent, is discussed in terms of tolerance, efficacy and administration mode.