Table 1.
Differential diagnosis of IP pneumonitis
| Category | Disease |
|---|---|
| Infectious pneumonia | Bacteria, viruses (including SARs-CoV2), tuberculosis, atypical mycobacterial infection, fungi, Pneumocystis jeroveci |
| Noninfectious causes | Tumor progression, pseudoprogression; lymphangitic spread of disease |
| Diffuse alveolar hemorrhage | |
| Aspiration pneumonitis | |
| Sarcoidosis | |
| Pulmonary vasculitis | |
| Eosinophilic pneumonia | |
| Pulmonary edema | |
| Alveolar proteinosis |