Table 4. Diagnostic imaging results of patients with mediastinal masses, according to final diagnosis.
| Overall (N=117) | Benign (N=93) | Malignant (N=24) | Unadjusted OR (95% CI) | P | |
|---|---|---|---|---|---|
| Anterior mediastinal mass | 24 (21) | 4 (4) | 20 (74) | 0.02 (0.00-0.06) | <0.001 |
| Anterior mediastinal involvement only | 4 (3) | 1 (1) | 3 (11) | 0.08 (0.01-0.84) | 0.04 |
| Middle mediastinal mass | 111 (95) | 87 (97) | 24 (89) | 3.63 (0.69-19.12) | 0.13 |
| Middle mediastinal involvement only | 86 (69) | 80 (82) | 6 (22) | 16.47 (5.78-46.95) | <0.001 |
| Posterior mediastinal mass | 6 (5) | 3 (3) | 3 (11) | 0.28 (0.05-1.46) | 0.13 |
| Posterior mediastinal involvement only | 2 (2) | 2 (2) | 0 (0) | 1.00 | |
| Pulmonary nodules | 62 (53) | 57 (63) | 5 (19) | 7.60 (2.63-21.97) | <0.001 |
| Any parenchymal disease (including pulmonary nodules) | 71 (61) | 62 (69) | 9 (33) | 4.43 (1.77-11.07) | 0.001 |
| Cervical adenopathy | 12 (10) | 1 (1) | 11 (41) | 0.02 (0.00-0.14) | <0.001 |
| Supraclavicular adenopathy | 14 (12) | 3 (3) | 11 (41) | 0.05 (0.01-0.20) | <0.001 |
| Axillary adenopathy | 9 (8) | 3 (3) | 6 (22) | 0.12 (0.03-0.52) | 0.005 |
| Any extrathoracic adenopathy | 23 (20) | 6 (7) | 17 (63) | 0.04 (0.01-0.13) | <0.001 |
| Retroperitoneal adenopathy | 6 (5) | 0 (0) | 6 (22) | 0 | <0.001 |
| Splenic involvement | 4 (3) | 4 (4) | 0 (0) | ∞ | 0.57 |
| Intraabdominal involvement | 10 (9) | 4 (4) | 6 (22) | 0.16 (0.04-0.63) | 0.009 |
| Pleural effusion | 17 (15) | 6 (7) | 11 (41) | 0.10 (0.03-0.32) | <0.001 |
| Pericardial effusion | 11 (9) | 9 (10) | 2 (7) | 1.39 (0.28-6.85) | 0.69 |
| Calcified pulmonary nodules | 10 (9) | 8 (9) | 2 (7) | 1.21 (0.24-6.12) | 0.81 |
| Calcified mediastinal adenopathy | 27 (23) | 24 (27) | 3 (11) | 2.91 (0.80-10.55) | 0.10 |
Data are presented as No. (%).