National, Multicenter, Retrospective, Prospective Study to Evaluate Pediatric Gastrointestinal Eosinophilic Disorders

Exclusion Criteria

• •\- This study will not include patients with:
• •1. a diagnosis of EGIDs made more than five years before the study participation;
• •2. a diagnosis of EoE not in line with current international guidelines;
• •3. a secondary cause of intestinal eosinophilic inflammation (inflammatory bowel diseases, autoimmune diseases, vasculitis, graft versus host disease, malignancies).