Table 2.
Outcomes of endoscopic submucosal dissection for gastric lesions.
| Procedure | ESD# = 13 |
|---|---|
| Operative duration, mean ± SD (minutes) | 145.5 ± 61.8 |
| En bloc resection, n (%) | 13 (100) |
| Incomplete resection, n (%) | 0 (0) |
| Size of lesion (mm) | 27.5 ± 8.7 |
| Size of resection specimen (mm) | 31.8 ± 10.4 |
| Specimen area/lesion area ratio | 1.16 ± 0.06 |
| Postoperative hospitalization, mean ± SD (days) | 5.2 ± 0.9 |
| Adverse events, n (%) | 1 (7.69) |
| Early (within 24 hours), n (%) | |
| Bleeding | 0 |
| Perforation | 0 |
| Late, n (%) | |
| Bleeding | 1 (7.69) |
| Perforation | 0 |
| Stricture | 0 |
| Pathological diagnosis, n (%) | |
| Adenoma | 2 (15.38) |
| Adenocarcinoma | 4 (30.77) |
| Intramucosal | 1 (7.69) |
| SM$ < 500 μm | 2 (15.38) |
| SM$ ≥ 500 μm | 1 (7.69) |
| Lymphovascular invasion | 0 (0) |
| Low-grade dysplasia | 3 (23.08) |
| High-grade dysplasia | 4 (30.77) |
| R0 resection | 13 (100) |
| Recurrence, n (%) | 0 (0) |
| Survival, n (%) | 13 (100) |
| Mean follow-up (days) | 502 ± 236 |
#ESD: endoscopic submucosal dissection; $SM: submucosa.