Table 3.
Common chest CT features of PTTM.
| Malignancy | GGO (%) | Nodules (%) | Tree-in-bud (%) | Septal thickening (%) | Mediastinal/ hilar adenopathy (%) | Infiltrates/ consolidations (%) | Pleural effusion (%) |
|---|---|---|---|---|---|---|---|
| Gastric | 10 (36) | 14 (58) | 6 (55) | 12 (71) | 16 (84) | 7 (47) | 5 (38) |
| Breast | 4 (14) | 4 (17) | 0 (0) | 1 (6) | 2 (11) | 2 (13) | 1 (8) |
| Lung | 2 (7) | 1 (4) | 2 (18) | 2 (12) | 1 (5) | 2 (13) | 2 (15) |
| Total non-gastric | 18 (64) | 10 (42) | 5 (45) | 5 (29) | 3 (16) | 8 (53) | 8 (62) |
| Overall* | 28 | 24 | 11 | 17 | 19 | 15 | 13 |
This table shows radiographic findings and the relative proportions (in parenthesis) of each finding in the three most common primary malignancies reported in patients with PTTM as well as the total non-gastric cases.
*
Overall includes number of cases reporting a particular radiographic finding.