Summary of the pulmonary pathological features of patients with severe acute respiratory syndrome
| Patients | |||||||
|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
| +, mild; ++, moderate; +++, severe; −, not present. | |||||||
| BOOP-like, bronchiolitis obliterans organising pneumonia-like lesion. | |||||||
| Atypical pneumocytes | + | + | + | + | + | + | + |
| Diffuse alveolar damage | |||||||
| Pulmonary oedema | +++ | +++ | +++ | +++ | +++ | +++ | +++ |
| Hyaline membrane | + | +++ | +++ | +++ | ++ | ++ | ++ |
| Organising phase | + | + | ++ | ++ | ++ | ++ | ++ |
| Interstitial fibrosis | + | + | + | + | ++ | +++ | ++ |
| BOOP-like | − | + | + | + | − | + | − |
| Pulmonary haemorrhage | − | − | ++ | − | + | ++ | − |
| Bronchopneumonic changes | − | + | + | − | − | + | − |









