RT Book, Section A1 Bissonnette, Bruno A1 Luginbuehl, Igor A1 Marciniak, Bruno A1 Dalens, Bernard J. SR Print(0) ID 58080264 T1 Hypereosinophilic Syndrome (HES) T2 Syndromes: Rapid Recognition and Perioperative Implications YR 2006 FD 2006 PB The McGraw-Hill Companies PP New York, NY SN 9780071354554 LK accessanesthesiology.mhmedical.com/content.aspx?aid=58080264 RD 2024/04/23 AB HES is a syndrome (i.e., a collection of similar entities), not a disease, characterized by the simultaneous existence of (1) eosinophil count greater than 1500/mm3 for more than 6 months, (2) absence of any known cause of eosinophilia, and (3) existence of symptoms of organ involvement (benign eosinophilia is excluded).