[Eosinophilic Lung Diseases: Time Pressure in the Maze of Differential Diagnoses].

We present a case with eosinophilic granulomatosis with polyangiitis (EGPA). We provide an overview of eosinophilic lung diseases and underline challenges in diagnosis and management of those diseases. Furthermore, we discuss the severity classification of EGPA and provide insight into the current treatment regimen.