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A Case of Proteinase 3 Anti-neutrophil Cytoplasmic Antibody (PR3-ANCA) Positive/IgG4-related Lung Disease

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Date 2017 Jan 26
PMID 28119817
Citations 2
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Abstract

IgG4-related lung disease (IgG4-RLD) is a rare and chronic progressive autoimmune disease. We report a case of IgG4-related inflammatory pseudo-tumor of the lung that was seropositive for proteinase 3 anti-neutrophil cytoplasmic antibody (PR3-ANCA). A 61-year-old male had a mass lesion in the right lower lung field in chest X-ray. Transbronchial lung biopsy resulted in a pathological diagnosis of IgG4-RLD. The condition was improved by hormonal therapy.

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