Abstract Number: 862 • 2015 ACR/ARHP Annual Meeting
Discriminative Performance of Nasal Endoscopic Findings and History Items in Patients with Granulomatosis with Polyangiitis
Background/Purpose: Granulomatosis with polyangiitis (Wegener's granulomatosis, GPA) is a systemic vasculitis of unknown etiology. It is characterized by necrotizing granulomatous inflammation and affects predominantly small…