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Correlation between endoscopic findings and histopathologic examination by hematoxylin and eosin staining.
| Method | Negative endoscopic findings | Positive endoscopic findings | Histopathologic examination | ||
|---|---|---|---|---|---|
| Squamous cell carcinoma (in situ) | Esophagitis | Normal | |||
| Conventional | 42 | 1 | 1 | — | — |
| Narrow-band imaging | 36 | 7 | 1 | 5 | 1 |
| Lugol's | 34 | 9 | 1 | 8 | 0 |
