Table 2. The diagnostic classifications of US-guided PCNB.
| Diagnosis | US-guided biopsy | Final diagnosis |
|---|---|---|
| Malignant lesions | 453 | 497 |
| Lung cancer | 404 | 444 |
| Metastasis | 41 | 44 |
| Lymphoma | 8 | 9 |
| Benign lesions | 97 | 71 |
| Tuberculosis | 13 | 16 |
| Fungal infection | 3 | 4 |
| NTM infection | 0 | 1 |
| Sarcoidosis | 1 | 1 |
| Hamartoma | 2 | 2 |
| Amyloidosis | 1 | 1 |
| Thymoma | 1 | 1 |
| Actinomycosis | 0 | 2 |
| Nonspecific inflammation | 68 | 43 |
| Atypical cell | 8 | 0 |
| Nondiagnostic | 22 | 4 |
US, ultrasound; PCNB, percutaneous core needle biopsy; NTM, non-tuberculous mycobacteria.