Radiological findings, cytohistopathological findings, treatment, and prognosis of patients with hypersensitivity pneumonitis (HP)
| Case | Chest radiography | Computed tomography | Bronchoalveolar lavage | CD4+/CD8+(%) | Transbronchial lung biopsy | Open lung biopsy | Treatment | Prognosis |
|---|---|---|---|---|---|---|---|---|
| CD4+, T lymphocyte subset presenting CD4 antigen; CD8+, T lymphocyte subset presenting CD8 antigen. | ||||||||
| 1 | Diffuse reticulonodular pattern | Ground glass pattern | Lymphocytic | 27/64 | Lymphocytic infiltration | HP | Inhaled fluticasone propionate (2000 μg/day) | Good |
| 2 | Diffuse reticular pattern | Ground glass pattern, centriacinar micronodules | Not done | Not done | Not done | Not done | Prednisolone 40 mg/day, by mouth | Good |
| 3 | Micronodular pattern | Micronodular pattern | Lymphocytic | 3/52 | Non-diagnostic | Not done | Avoidance of antigen exposure | Good |
| 4 | Diffuse reticulonodular pattern | Reticulonodular pattern | Lymphocytic, neutrophilic | 52.7/1.3 | Non-diagnostic | Not done | Avoidance of antigen exposure | Good |