Table 1.

Histopathologic diagnosis by hematoxylin and eosin staining

Method	No. of endoscopic findings	SCC		Esophagitis
		In situ	Intramucosal
Conventional	6	3	3	0
NBI	25	5	4	16
Lugol	42	5	4	33

NBI: Narrow-band imaging; SCC: Squamous cell carcinoma.