RT Book, Section A1 Seo, Philip A1 Stone, John H. A2 Imboden, John B. A2 Hellmann, David B. A2 Stone, John H. SR Print(0) ID 57273337 T1 Chapter 34. Eosinophilic Granulomatosis with Polyangiitis (Churg-Strauss Syndrome) T2 CURRENT Diagnosis & Treatment: Rheumatology, 3e YR 2013 FD 2013 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-163805-0 LK accessmedicine.mhmedical.com/content.aspx?aid=57273337 RD 2024/04/17 AB Asthma, eosinophilia, and systemic vasculitis are the hallmarks of eosinophilic granulomatosis with polyangiitis (EGPA; Churg-Strauss syndrome).Classic clinical features include the following:Allergic rhinitis and nasal polyposis.Reactive airway disease.Peripheral eosinophilia (10–60% of all circulating leukocytes).Fleeting pulmonary infiltrates and occasional alveolar hemorrhage.Vasculitic neuropathy.Congestive heart failure.Approximately 50% of patients with EGPA have antineutrophil cytoplasmic antibodies (ANCAs), usually with a specificity for myeloperoxidase (MPO).