"eosinophilic granulomatosis with polyangiitis (eGPA) = Churg–Strauss syndrome"
"endomyocardial fibrosis 1-2"
"familial (HESFA)"
"primary (neoplastic, HEN)"
"secondary (reactive, HER)"
"IgG4-related disease (IgG4-RD)"
"Eosinophilia and hypereosinophilia can occur without organ damage; when there is associated organ damage, this classified as a syndrome. The 2022 diagnostic criteria and classification identify the following syndromes 12:"
"History and etymology"