Chapter Outline Historical Perspective General Pathologic Features of Gastritis Neutrophil Infiltration Mononuclear Infiltration Lymphoid Aggregates and Follicles Eosinophil Infiltration Mucosal Hyperemia and Edema Surface Epithelium Degeneration Surface Erosion Foveolar Hyperplasia…
Chapter Outline Introduction Anatomy of the GI Vascular System Upper GI Bleeding General Comments Esophagus Stomach Lower GI Bleeding Diverticulosis Angiodysplasia Arteriovenous Malformation Hemorrhoids Diaphragm Disease Ehlers-Danlos Syndrome, Vascular Type…
Chapter Outline Introduction Esophagitis Gastroesophageal Reflux Disease (GERD) Infectious Esophagitis Viral Esophagitis—Herpes Viral Esophagitis—Cytomegalovirus Other Viruses Fungal Esophagitis—Candida Bacterial Esophagitis Parasitic Esophagitis—Chagas Disease Pill-, Drug-, and Toxin-Related Esophagitis Pill Esophagitis…
Chapter Outline Introduction Esophagus Eosinophil-Predominant Esophagitis Neutrophil-Predominant Esophagitis Lymphocyte-Predominant Esophagitis Granulomas Pauciinflammatory Esophagitis Ulcers Gastroesophageal Junction Stomach General Comments Gastritis Infiltrates Small Intestine General Comments Complete Villous Atrophy Partial Villous…
Chapter Outline Introduction Muscle Coats of the Bowel Wall Neural Network of the Bowel Esophagus Primary Achalasia Secondary Achalasia Idiopathic Muscular Hypertrophy Stomach Idiopathic Hypertrophic Pyloric Stenosis Gastroparesis Small and…
Chapter Outline Introduction Nonspecific Injury Patterns Organ-Specific Non–Organ-Specific Indirect Injury Specific Agents Nonsteroidal Antiinflammatory Drugs Proton Pump Inhibitors Sodium Polystyrene Sulfonate (Kayexalate) Iron Therapy Antacids, Sucralfate, and Gastric Mucosal Calcinosis…
Chapter Outline Molecular Mechanisms of GI Development Embryology and Anatomic Development of the GI Tract Esophagus Stomach Small and Large Intestine Congenital Anomalies of the GI Tract General Aspects Esophagus…
Chapter Outline Introduction Viral Infections of the GI Tract Cytomegalovirus Herpesvirus Adenovirus Other Enteric Viruses Human Papillomaviruses Human Immunodeficiency Virus Bacterial Infections of the GI Tract Acute Self-Limited Colitis Major…
Chapter Outline Introduction Autoimmune Enteropathy Overview of Autoimmune Enteropathy Syndromic Associations Immunoglobulin G4 (IgG4)–Related Disease of the Gastrointestinal Tract Overview of IgG4-Related Disease IgG4-Related Disease of the Tubular Gut IgG4-Related…
Chapter Outline Introduction Biopsy Sampling and Indications in Children Intestinal Development in Children Congenital Disorders of Intestinal Digestion, Absorption, and Transport Carbohydrate Malabsorption and Disaccharidase Deficiencies Lipid Trafficking Disorders Amino…
