Table 1.
Relationship between lesion morphology and pathological diagnosis under different endoscopic magnification methods [%].
| Endoscopic performance | Patients | Pathological diagnosis | |||
|---|---|---|---|---|---|
|
| |||||
| Chronic gastritis (n=149) | Intestinal metaplasia (n=67) | Low-grade intraepithelial neoplasia (n=8) | High-grade Intraepithelial neoplasia or early gastric cancer (n=25) | ||
| White light magnification | |||||
| Microvascular morphology | |||||
| Regular | 182 | 121 (81.2) | 53 (79.1) | 4 (50.0) | 4 (16.0) |
| Irregular/absent | 67 | 28 (18.8) | 14 (20.9) | 4 (50.0) | 21 (84.0) |
| Microtubule morphology | |||||
| Regular | 182 | 118 (81.2) | 54 (80.6) | 5 (62.5) | 5 (20.0) |
| Irregular/absent | 67 | 31 (18.8) | 13 (19.4) | 3 (37.5) | 20 (80.0) |
| Dividing line | |||||
| Exist | 39 | 12 (8.1) | 4 (6.0) | 4 (50.0) | 19 (76.0) |
| Not exist | 210 | 137 (91.9) | 63 (94.0) | 4 (50.0) | 6 (24.0) |
| BLI-contrast magnification | |||||
| Microvascular morphology | |||||
| Regular | 215 | 143 (96.0) | 66 (98.5) | 5 (62.5) | 1 (4.0) |
| Irregular/absent | 34 | 6 (4.0) | 1 (1.5) | 3 (37.5) | 24 (96.0) |
| Microtubule morphology | |||||
| Regular | 215 | 145 (97.3) | 65 (97.0) | 4 (50.0) | 1 (4.0) |
| Irregular/absent | 34 | 4 (2.7) | 2 (3.0) | 4 (50.0) | 24 (96.0) |
| Dividing line | |||||
| Exist | 25 | 0 (0.0) | 0 (0.0) | 2 (25.0) | 23 (92.0) |
| Not exist | 224 | 149 (100.0) | 67 (100.0) | 6 (75.0) | 2 (8.0) |
| BLI-bright magnification | |||||
| Microvascular morphology | |||||
| Regular | 214 | 144 (96.6) | 64 (95.5) | 6 (75.0) | 0 (0.0) |
| Irregular/absent | 35 | 5 (3.4) | 3 (4.5) | 2 (25.0) | 25 (100.0) |
| Microtubule morphology | |||||
| Regular | 215 | 143 (96.0) | 66 (98.5) | 5 (62.5) | 1 (4.0) |
| Irregular/absent | 34 | 6 (4.0) | 1 (1.5) | 3 (37.5) | 24 (96.0) |
| Dividing line | |||||
| Exist | 28 | 0 (0.0) | 0 (0.0) | 3 (37.5) | 25 (100.0) |
| Not exist | 221 | 149 (100.0) | 67 (100.0) | 5 (62.5) | 0 (0.0) |