Table 2.
Lesion | PTNB, n | Final diagnosis, n |
---|---|---|
Malignant lesions | ||
Lung cancer | 23 | 23 |
Metastases | 7 | 10 |
| ||
Benign lesions | ||
Bacterial infection | 7 | 8 |
MAI infection | 5 | 7 |
Fungal infection | 1 | 1 |
Granuloma | 0 | 1 |
Rheumatoid nodule | 0 | 1 |
Nonspecific benign (scar/inflammation/fibrosis) | 3 | 2 |
| ||
Nondiagnostic | 7 | 0 |
PTNB, percutaneous transthoracic needle biopsy; MAI, mycobacterium avium-intracellulare infection.