Table 2.
Pathological results of open lung biopsy specimens.
| Pathological diagnosis | Total cohort (76) |
|---|---|
| Diffuse alveolar damage, n (%) | 24 (31.6) |
| Malignancyα, n (%) | 5 (6.6) |
| Interstitial lung disease, n (%) | 23 (30.3) |
| Usual interstitial pneumonia | 8 (10.5) |
| Nonspecific interstitial pneumonia | 4 (5.3) |
| Bronchiolitis obliterans organizing pneumonia | 10 (13.2) |
| Hypersensitivity pneumonitis | 1 (1.3) |
| Infectious disease, n (%) | 15 (19.7) |
| Pneumocystis jiroveci | 9 (11.8) |
| Cytomegalovirus | 2 (2.6) |
| Invasive aspergillosis | 1 (1.3) |
| Miliary tuberculosis | 2 (1.3) |
| Bronchopneumonia | 1 (1.3) |
| Other, n (%) | 12 (15.8) |
| Vasculitis | 6 (7.9) |
| Pneumonitis | 2 (2.6) |
| Amyloidosis | 1 (1.3) |
| Drug toxicity | 2 (2.6) |
| Pulmonary edema | 1 (1.3) |
α: malignancy includes hematological malignancy and solid tumor.