From esophagus to colon: A narrative review of eosinophilic gastrointestinal disorders

Figure 1 Summary of clinical manifestations and diagnostic criteria for eosinophilic gastrointestinal disorders. ¹Eosinophil per high power field.

Figure 2 Endoscopic appearance in eosinophilic esophagitis[22]. A: White exudates; B: Concentric rings of the esophageal wall, properly termed trachealization; C: Loss of vascular markings reflecting edema of the esophageal mucosa; D: Longitudinal furrows; E: Fixed stricture; F: Combination of multiple inflammatory signs such as furrows, edema, and exudates. Citation: Straumann A, Schoepfer A. Update on basic and clinical aspects of eosinophilic oesophagitis. Gut 2014; 63: 1355-1363. Copyright© The Authors 2026. Published by BMJ Publishing Group. The authors have obtained the permission (Supplementary material).

Figure 3 Esophageal epithelium in long-standing eosinophilic esophagitis. Microphotograph shows a marked increase of fibrotic tissue in the subepithelial layer (white arrow)[22]. Citation: Straumann A, Schoepfer A. Update on basic and clinical aspects of eosinophilic oesophagitis. Gut 2014; 63: 1355-1363. Copyright© The Authors 2026. Published by BMJ Publishing Group. The authors have obtained the permission (Supplementary material).