Pediatric hypereosinophilia: characteristics, clinical manifestations and diagnoses

Pediatric hypereosinophilia has an incidence of 54.4 per 100,000 persons per year, with children < 1 year and 6-11 years of age accounting for the majority of affected patients. Pediatric hypereosinophilia is not uncommon and remains under recognized, highlighting a need for clinicians to identify patients that meet criteria for hypereosinophilia and to pursue a thorough evaluation.