Causes of hypereosinophilia in 100 consecutive patients.
Daniel MollerJulia TanDeonne Thaddeus V GauiranNadia MedvedevMonika HudobaMollie N CarruthersNatasha DehghanJanette van den BergheHelene BruyèreLuke Y C ChenPublished in: European journal of haematology (2020)
In contrast to other large published series of HE/HES, most patients in this study were found to have a discrete secondary cause of eosinophilia and only 14 were deemed idiopathic. These findings highlight the importance of extensive evaluation for secondary causes of eosinophilia such as L-HES, IgG4-RD, and EGPA.