Table 3 Biopsy/autopsy results of patients with pneumothorax secondary to GPA
Biopsy site and pathology | Cases (n, %) |
|---|---|
Lung (12 cases) | |
Pulmonary nodules necrotizing granulomatous vasculitis | 6/12(50.0%) |
bronchial pleural fistula | 2/12(16.7%) |
Pleural necrotizing granulomatous vasculitis | 1/12(8.3%) |
Subpleural blister and fibrosis, pulmonary fibrosis and elastic tissue hyperplasia | 1/12(8.3%) |
Nose (necrotizing granulomatous vasculitis) | 8 |
Skin (leukocytoclastic vasculitis) | 2 |
Parotid (necrotizing granulomatous vasculitis) | 1 |
Oral (necrotizing granulomatous vasculitis) | 1 |