Table 1.
Histological diagnosis of 260 patients with pulmonary lesions. Specimens obtained by CT-guided core-cut biopsy.
| Histology | |
|---|---|
| Benign | 50 (19.2%) |
| Harmatoma | 7 |
| Wegener’s disease | 2 |
| Sarckoidosis | 2 |
| Amyloidosis | 1 |
| Non-specific* | 38 |
| Lost to follow-up | 0 (0%) |
| Malignant | 193 (74.2%) |
| Adenocarcinoma | 85 |
| Non-small cell | 23 |
| Squamous | 33 |
| Metastasis | 29 |
| Undifferentiated carcinoma | 17 |
| BAC | 5 |
| Lymphoma | 1 |
| Lost to follow-up | 17 (6.5%) |
*
In the non-specific group no precise diagnosis was obtained by biopsy, but the benign nature of the lesion was confirmed during follow-up period.