Book excerpt: Here is the most comprehensive and authoritative work on radiologic diagnosis of pediatric gastrointestinal disorders. Packed with hundreds of outstanding clinical images, Pediatric Gastrointestinal Imaging and Intervention offers explicit, step-by-step instructions for performing and interpreting the latest diagnostic techniques. It discusses the imaging methods practitioners are likely to employ, including sonography, plain film and contrast radiography, endoscopy, CT, MRI, nuclear medicine, angiography, and interventional radiology.