Abstract Number: 874 • 2019 ACR/ARP Annual Meeting
Comparative Analysis Between ANCA-associated Interstitial Lung Disease and Interstitial Pneumonitis with Autoimmune Features
Background/Purpose: Anti-neutrophil cytoplasmic antibodies (ANCA) have been identified in patients who have pneumonia without a diagnosis of ANCA-associated vasculitis (AAV). These patients are presently categorized…