Table 2. Fluorescence positive rate according to histopathology and macroscopic types.
| Histopathology | |||
| Low-grade IEN | High-grade neoplasia | Submucosal carcinoma | |
| Fluorescence + Total 81.5 % (22 /27) |
62.5 % (5/8) |
77.8 % (7/9) |
100 % (10/10) |
| Macroscopic type | |||
| Flat or depressed* | 0 % (0/3) | 66.6 % (2/3) | 100 % (5/5) |
| Sessile (with protrusion)1 | 100 % (5/5) | 83.3 % (5/6) | 100 % (5/5) |
IEN; intraepithelial neoplasia
1
Flat or Depressed: 0-IIa, 0-IIa + IIc, Sessile (with protrusion): 0-Is, 0-Is + IIa, 0-Is + IIc