PART I. THE FETUS. Section A. Head and Neck. Section B. Fetal Chest. Section C. Abdomen. Section D. Genital Cyst. Section E. Musculoskeletal System. Section F. General Obstetrics and Miscellaneous. PART II. THE PEDIATRIC PATIENT. Section A. Central Nervous System. Section B. Hepatobiliary System. Section C. Spleen. Section D. Pancreas. Section E. Adrenal Gland. Section F. Urinary Tract. Section G. Gastrointestinal Tract, Mesentery, and Peritoneal Cavity. Section H. Gynecologic Tract. Section J. Tests. Section K. Miscellaneous: Neck, Chest, and Musculoskeletal System.