Churg-Strauss Syndrome (CSS) is a rare systemic vasculitis characterized by granulomatous inflammation, eosinophilia, and organ involvement, notably the lungs, skin, and nerves. It typically presents with asthma history and allergic features, progressing to multiorgan dysfunction if untreated. It is named after Jakob Churg and Lothar Strauss who first described related features in the mid-20th century.
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