Eosinophilia is a common finding in clinical practice, but when elevated values of eosinophils are found, it constitutes diagnostic challenge. Hypereosinophilic syndrome group of rare disorders defined by persistent blood hypereosinophilia >1.5 × 109/l and associated to organ damage that result wide variety manifestations: fatigue with nonspecific skin lesions, endomyocardial fibrosis, neu...
