Table 2.
Endoscopic Characteristics of Duodenal Lesions in the Immediate Clipping Group and the No Clipping Group
| ICG (n=52) | NCG (n=47) | p-value | |
|---|---|---|---|
| Removal technique | 1.00 | ||
| EMR | 49 (94.2%) | 44 (93.6%) | |
| ESD | 3 (5.8%) | 3 (6.4%) | |
| Tumor size (cm)a) | 1.0 (range, 0.3–3.5) | 1.0 (range, 0.5–3.0) | 1.00 |
| Location | 0.01 | ||
| 1st portion | 9 (17.3%) | 20 (42.6%) | |
| 2nd portion | 43 (82.7%) | 27 (57.4%) | |
| Circumferential location | 0.14 | ||
| Anterior wall | 16 (30.8%) | 16 (34.0%) | |
| Lateral wall | 11 (21.2%) | 3 (6.4%) | |
| Posterior wall | 11 (21.2%) | 16 (34.0%) | |
| Medial wall | 14 (26.9%) | 12 (25.5%) | |
| Final histologic diagnosis | 0.01 | ||
| Adenocarcinoma | 1 (1.9%) | 3 (6.4%) | |
| HGD | 3 (5.8%) | 11 (23.4%) | |
| LGD | 48 (92.3%) | 33 (70.2%) | |
| Endoscopic findings | 0.41 | ||
| Elevated | 21 (40.4%) | 23 (48.9%) | |
| Flat | 21 (40.4%) | 13 (27.7%) | |
| Depressed | 10 (19.2%) | 11 (23.4%) | |
| En bloc resection | 42 (80.8%) | 40 (85.1%) | 0.57 |
| Complete resection | 37 (71.2%) | 33 (70.2%) | 0.27 |
EMR, endoscopic mucosal resection; ESD, endoscopic submucosal dissection; HGD, high grade dysplasia; ICG, immediate clipping group; LGD, low grade dysplasia; NCG, no clipping group.
a)
Long diameter of the lesion.