Preface -- Contributors -- A History of Eosinophilic Esophagitis -- Epidemiology, Incidence, and Prevalence of Eosinophilic Esophagitis in Children -- Epidemiology of Eosinophilic Esophagitis in Adults -- Eosinophil Biology in the Pathogenesis of Eosinophilic Disorders.-Role of Lymphocytes and Mast Cells in Eosinophilic Esophagitis -- Esophageal Remodeling in Eosinophilic Esophagitis -- The Genetic Basis of Eosinophilic Esophagitis.-Relationships Between Eosinophilic Esophagitis and Eosinophilic Gastroenteritits -- Clinical Manifestations of Eosinophilic Esophagitis in Children -- Clinical  Presentation of Eosinophilic Esophagitis in Adults -- Relationship of Eosinophilic Esophagitis to Gastroesophageal Reflux.-  Radiographic Diagnosis of Eosinophilic Esophagitis -- Endoscopic Features of Eosinophilic Esophagitis -- Histologic Features of Eosinophilic Esophagitis.-Complications Associated with Eosinophilic Esophagitis -- IgE and Non-IgE Mediated Food Allergy -- Allergic and Atopic Features of Children with Eosinophilic Esophagitis.-Atopic and Allergic Features of Adults with Eosinophilic Esophagitis -- Allergy Testing in Eosinophilic Esophagitis -- Esophageal Dilation for Eosinophilic Esophagitis.- Systemic Steroid Therapy of Eosinophilic Esophagitis in Children -- Medical Treatment for Pediatric Eosinophilic Esophagitis -- Corticosteroid Treatment of Eosinophilic Esophagitis in Adults.-Dietary Treatment of Eosinophilic Esophagitis -- Nutritional Management of Eosinophilic Esophagitis in Pediatric Patients -- Oral Tolerance and Eosinophilic Esophagitis.- Treatment of Eosinophilic Esophagitis with Biological Agents -- Feeding Disorders and Eosinophilic Esophagitis -- Psychological Perspectives on Pediatric Eosinophilic Esophagitis.-Eosinophilic Esophagitis: Treatment Approach in Adults -- Eosinophilic Esophagitis: Treatment Approach in Children.