681439.fig.003a
(a)
681439.fig.003b
(b)
681439.fig.003c
(c)
681439.fig.003d
(d)
Figure 3: (a) Conventional white-light imaging endoscopy shows a type 0-IIc hyperemic lesion of esophagus. (b) Magnifying endoscopy with narrow-band imaging system reveals abnormal intraepithelial papillary capillary loops (Inoue’s classification type IV to V3). (c) and (d) Chromoendoscopy with 1.5% Lugol’s solution discloses Lugol-unstained area which appears pinkish under white-light imaging and silver pattern under narrow-band imaging 3 minutes after spraying dyes.