Gastrointestinal eosinophilia, a broad term for abnormal eosinophil accumulation in the
gastrointestinal tract, involves many different disease identities. These diseases include
primary eosinophil associated gastrointestinal diseases, gastrointestinal eosinophilia in
hypereosinophilic syndrome, and all gastrointestinal eosinophilic states associated with
known causes. Each of these diseases has its unique features but there is no absolute
boundary between them. All three groups of gastrointestinal eosinophila are described in …