Diagnostic work-up of pulmonary nodules
| Variable | Total | Malignant | Benign |
|---|---|---|---|
| Nodule nature confirmed by: | |||
| Surgery | 232 (73.9) | 166 (78.3) | 66 (64.7) |
| Biopsy | 36 (11.5) | 30 (14.2) | 6 (5.9) |
| CT follow-up | 46 (14.6) | 16 (7.5) | 30 (29.4) |
| Procedure prior to surgery, n (%) | |||
| Contrast-enhanced CT | 194 (83.6) | 140 (84.3) | 54 (81.8) |
| CT FU | 18 (7.8) | 16 (9.6) | 2 (3.0) |
| PET CT | 38 (16.4) | 32 (19.3) | 6 (9.1) |
| Biopsy | 2 (0.8) | 2 (1.2) | 0 (0.0) |
| Only non-contrast enhanced CT | 19 (8.2) | 12 (7.2) | 7 (10.6) |
| Stage of malignancy confirmed by surgery*, n (%) | |||
| I | - | 128 (77.1) | |
| II | - | 8 (4.8) | |
| III | - | 25 (15.1) | |
| IV | - | 5 (3.0) | |
*According to TNM 7th version.