Group A: BOOP-like or cellular NSIP-like lesions(N = 7) | Group B: fibrotic NSIP-like lesions(N = 8) | Group C: UIP-like lesions(N = 11) | |
---|---|---|---|
Data are presented as % of positive findings. | |||
BOOP, bronchiolitis obliterans organising pneumonia; NSIP, non-specific interstitial pneumonia; UIP, usual interstitial pneumonia. | |||
*p<0.01, group A v group C; †p<0.01, group A v group B. | |||
Cellular bronchiolitis (%) | 100.0* | 50.0 | 27.3* |
Honeycombing (%) | 0.0*† | 75.0† | 90.9* |
Fibroblastic foci (%) | 0.0*† | 75.0† | 100.0* |
Lymphoid follicles (%) | 100.0 | 62.5 | 63.6 |
Interstitial infiltrates of chronic inflammatory cells (%) | 100.0 | 87.5 | 100.0 |
Intraalveolar foamy histiocytes (%) | 28.6 | 25.0 | 36.4 |
Cholesterol clefts (%) | 57.1 | 37.5 | 45.5 |
Multinucleated giant cells (%) | 71.4 | 75.0 | 72.7 |
Granulomas (%) | 42.9 | 25.0 | 0.0 |