Table 3: Number of lesions detected by NBI with magnification versus Lugol chromoendoscopy.
 NBI with magnificationLugol chromoendoscopy
  (%) (%)
SCC
(4 lesions)		4 (100)4 (100)
HGIN
(2 lesions)		2 (100)2 (100)
Other
(66 lesions)		1 (1.5)66 (100)
NBI: narrow band imaging, SCC: squamous cell carcinoma, HGIN: high-grade intraepithelial neoplasia.