
Keywords: IVIG، ایمونوگلوبولین داخل وریدی; Necrotizing vasculitis; Criteria; Classification; Prognosis; RelapseCRP, C-reactive protein; ENT, ear-nose-throat; ESR, erythrocyte sedimentation rate; HBV, hepatitis B virus; IVIG, intravenous immunoglobulin; NSAIDs, non-steroidal anti-inflammatory drugs