Table 2.
Outcomes of endoscopic submucosal dissection
| Variable | (%) |
|---|---|
| Operation time (min) | 97.7 ± 79.3 |
| En bloc resection | 170 (96) |
| Histological en bloc resection | 167 (94) |
| Scope operability | |
| Good | 109 (61) |
| Poor | 69 (39) |
| Submucosal fibrosis | |
| Non or mild | 120 (67) |
| Severe | 58 (33) |
| Histopathology | |
| Adenoma | 66 (37) |
| Tis carcinoma | 76 (43) |
| T1a carcinoma | 7 (4) |
| T1b carcinoma | 29 (16) |
| Progress after endoscopic submucosal dissection | |
| Curative resection | 149 (84) |
| Consideration for surgery or absolute surgery indication | |
| Follow-up without surgery | 16 (9) |
| Additional surgery | 13 (7) |
| Complication | |
| Delayed bleeding | 11 (6) |
| Perforation* | 7 (4) |
*All patients recovered under conservative therapy