Table 5. Detailed diagnostic findings of MC and EUS.
Tis/T1-SMS, mucosal to submucosal cancer with invasion depth <1000 μm; T1-SMD, submucosal cancer with submucosal invasion depth ≥1000 μm.
| Final diagnosis | ||||
|---|---|---|---|---|
| MC | Pit pattern type | n | Tis/T1-SMS | ≥T1-SMD |
| Tis/ T1-SMS | III, IV | 7 | 6 (85.7%) | 1 (14.3%) |
| VI-L | 22 | 15 (68.2%) | 7 (31.8%) | |
| ≥T1-SMD | VI-H | 19 | 10 (52.6%) | 9 (47.4%) |
| VN | 18 | 4 (22.2%) | 14 (77.8%) | |
| EUS | Hypoechoic area | |||
| Tis/ T1-SMS | Within 1st-2nd layer | 30 | 22 (73.3%) | 8 (26.7%) |
| To surface of 3rd layer | 8 | 5 (62.5%) | 3 (37.5%) | |
| ≥T1-SMD | Clear invasion into 3rd layer | 4 | 3 (75.0%) | 1 (25.0%) |
| Extensive spread to 3rd layer | 24 | 5 (20.8%) | 19 (79.2%) | |