Eosinophilic granulomatosis with polyangiitis (EGPA), also known as Churg-Strauss syndrome or allergic granulomatosis and angiitis, is a rare small- and medium-vessel vasculitis. This disease was first described by American pathologists Jacob Churg and Lotte Strauss in 1951.1 Although the vasculitis is often not apparent in the initial phases of the disease, EGPA can affect any…
