title: Case record 18-1980: hypereosinophilic syndrome.
mesh_terms: D003937:Diagnosis, Differential; D004802:Eosinophilia / Q000175:diagnosis*; D006801:Humans; D009205:Myocarditis / Q000097:blood; D010488:Polyarteritis Nodosa / Q000097:blood; D011657:Pulmonary Eosinophilia / Q000175:diagnosis