Primary eosinophilic gastrointestinal disorders are defined as disorders that selectively
affect the gastrointestinal tract with eosinophil-rich inflammation in the absence of known
causes for eosinophilia (eg, drug reactions, parasitic infections, and malignancy). These
disorders include eosinophilic esophagitis, eosinophilic gastritis, eosinophilic
gastroenteritis, eosinophilic enteritis, and eosinophilic colitis and are occurring with
increasing frequency. Significant progress has been made in elucidating that eosinophils …