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Table 2 Summary of the BAL and pathological characteristics of each patient

From: Does transbronchial lung cryobiopsy give useful information in asthmatic patients?

Patient BAL Bronchiolar wall Peribronchiolar tissue Alveolar spaces Vasculitis
1 Neutrophilic (72%) and eosinophilic (6%) alveolitis Goblet metaplasia and eosinophilic infiltration of mucosa and submucosa; thickening of the basal lamina Nodular lymphoid inflammation and scattered non-necrotizing granulomas No inflammation No
2 Lymphocytic (85%) alveolitis Goblet metaplasia and eosinophilic infiltration of mucosa and submucosa; thickening of the basal lamina Nodular lymphoid inflammation with scattered eosinophils Mild lymphoid interstitial inflammation with scattered eosinophils; mild macrophage accumulation in the alveolar spaces No
3 Eosinophilic (52%) alveolitis Goblet metaplasia and eosinophilic and lymphocytic infiltration of mucosa and submucosa. A thickening of the basal lamina. In the bronchiolar lumen: accumulation of epithelial cells, eosinophils and mucous. Lymphocytic and eosinophilic inflammation mainly around small vessels Mild interstitial inflammation consisting of lymphocytes and scattered eosinophils No