- Disorders of the Umbilicus
- Congenital Defects of the Abdominal Wall
- Inguinal Hernias and Hydroceles
- Undescended Testis, Torsion, Varicocele
- Hypertrophic Pyloric Stenosis
- Peptic Ulcer and other Conditions of the Stomach
- Duodenal Atresia and Stenosis, Annular Pancreas
- Jejunal Atresia and Stenosis
- Meconium Ileus
- Meckel Diverticulum
- Intussusception
- Disorders of Intestinal Rotation and Fixation
- Intestinal Obstruction
- Short Bowel Syndrome
- Gastrointestinal Bleeding
- Alimentary Tract Duplications
- Mesenteric and Omental Cysts
- Ascites
- Polypoid Disease of the Gastrointestinal Tract
- Necrotizing Enterocolitis
- Crohn’s Disease
- Ulcerative Colitis
- Primary Peritonitis
- Stoma of the Small and Large Intestine
- Atresia, Stenosis and other Obstructions of the Colon
- Appendicitis
- Hirschsprung Disease
- Intestinal Dysganglionosis and other Disorders of Intestinal Motility
- Anorectal Malformations
- Other Disorders of Anus and Rectum, Anorectal Function
- The Jaundiced Infant: Biliary Atresia
- Choledochal Cyst
- Gallbladder Disease and Hepatic Infections
- Portal Hypertension
- Pancreas
- Spleen