Prevalence of esophageal eosinophilia and eosinophilic esophagitis in adults: a population-based endoscopic study in Shanghai, China.

Background and Aim Population-based endoscopic studies of esophageal eosinophilia and eosinophilic esophagitis are limited in the world. This study was aiming to describe features of esophageal eosinophilia and eosinophilic esophagitis in a representative sample of the adult in Shanghai, China.