How to Differentiate Between & Manage Hypereosinophilic Syndromes & EGPA Samantha C. Shapiro, MD | February 2, 2022Hypereosinophilic syndromes and eosinophilic granulomatosis with polyangiitis (EGPA) represent a spectrum of eosinophilic disorders. Amy D. Klion, MD, provided a detailed overview of this spectrum during ACR Convergence 2021.