Abdominal Helical CT: Milk as a Low-Attenuation Oral Contrast Agent

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Abstract
One hundred ten consecutive patients were given either whole (4%) milk, 2% milk, water, barium suspension, or no oral contrast agent before abdominal computed tomography (CT). Results with whole milk were superior to those with all other agents for gastrointestinal distention, mural visualization, and pancreas-duodenum discrimination. In bowel loop discrimination, results with 4% milk were equal to those with barium but superior to those with all other agents. Whole (4%) milk is an effective low-attenuation oral contrast agent.