Chapter 12 examines radiologic images for common and uncommon pediatric gastrointestinal disorders. These include neonatal high bowel obstructions such as midgut malrotation and volvulus, duodenal atresia, duodenal web, annular pancreas, and pyloric stenosis. The chapter goes on to look at neonatal low bowel obstruction, including ileal disease such as ileal atresia and meconium ileus and colonic disease such as Hirschsprung disease and meconium plug. We then look at causes of pediatric bowel obstruction in older patients, such as intussusception, appendicitis, enteric duplication cysts, and inguinal hernia. Additional neonatal disorders discussed include necrotizing enterocolitis, and meconium peritonitis. Diseases of the pancreas examined include cystic fibrosis and pancreatitis. Liver tumors reviewed are infantile hepatic hemangioma and hepatoblastoma. Diseases of the biliary system looked at include choledochal cysts and biliary cysts, and biliary atresia. Splenic abnormalities examined include polysplenia and asplenia, heterotaxy syndromes, and sickle cell disease.
