Diagnostic Criteria for Idiopathic Hypereosinophilic Syndrome (HES) are:
1. Persistent eosinophilia of over 1500/cubic millimeter for longer than 6 month;
2. Lack of evidence of other known causes of secondary hypereosinophilia (SH);
3. Multiple organ involvement.
Continue reading “Diagnostic Criteria for Idiopathic Hypereosinophilic Syndrome (HES)”
