Figure 4 - Endoscopic features of eosinophilic esophagitis.

a: Endoscopic view of proximal esophagus showing normal vascular pattern and distal narrowing in a 14-year-old boy with a history of obstructive dysphagia and allergic disease. b: Midesophageal view of whitish exudate coating mucosa. c: Linear shearing of a long segment stricture in distal esophagus after balloon dilation. (Source: Adapted from Fox et al.,³ with permission from the American Society for Gastrointestinal Endoscopy.)