Figure 1.

Figure 2.

BAL fluid cytology_
| Cell type | Result (%) | Normal values |
|---|---|---|
| Macrophages | 64.4 | >84 |
| Lymphocytes | 17.6 | <13 |
| Granulocytes | 18.0 | <3 |
| neutrophil | 8.4 | <3 |
| Eosinophils | 9.6 | <0.5 |
| Epithelial cells | 38 | - |
| Tumour cells | 0 | - |
Laboratory tests_
| Parameter | Value |
|---|---|
| Blood count | |
| Leucocyte | 7593/mm3 |
| Eosinophils | 880/mm3 |
| Haemoglobin | 14.9 g/dL |
| Platelets | 212,000/mm3 |
| Serology | |
| p-ANCA | Negative |
| c-ANCA | Negative |
| IgE | 468 U/L |
| ANA | Negative |
| HIV | Negative |