Gisoo Ghaffari

All articles by Gisoo Ghaffari

Hypereosinophilic syndrome (Idiopathic hypereosinophilic syndrome)

Are You Confident of the Diagnosis? Hypereosinophilic syndrome (HES) is a heterogeneous group of disorders, first described in 1968 by Hardy and Anderson. The diagnostic criteria were later introduced in 1975 by Chusid. The syndrome is characterized by persistent peripheral eosinophilia of 1500 cells/microliter, evidence of end organ damage by eosinophil infiltration, and no identifiable…

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