The purpose of this study is to collect clinical, laboratory, and instrumental data from patients with eosinophilic granulomatosis with polyangiitis or hypereosinophilic syndrome, which will then be analyzed using artificial intelligence techniques with the aim of identifying characteristics that differentiate the two diseases and can predict the response to the treatment plan.
18 years of age or over
A diagnosis of EGPA or HES
Willing and able to give informed written consent, or willing to give permission for a nominated friend or relative to provide written informed assent if they are unable to do so because of physical disabilities
Lack of a confirmed diagnosis of EGPA or HES.
Other causes of eosinophilia
Parallel
Blood draw for the laboratory assessment
Procedure/SurgeryBlood draw for the laboratory assessment
characteristics that are different between HES and EGPA
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