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. 2013 Apr 16;5(4):174–179. doi: 10.4253/wjge.v5.i4.174

Figure 1.

Figure 1

White light endoscopy, narrow-band imaging and endocytoscopy examination of long segment Barrett’s esophagus. A: Long segment Barrett’s esophagus under white light endoscopy (WLE); B: Narrow-band imaging with low magnification clearly visualized small squamous cell islands within regular columnar Barrett's epithelium, which are also identified by WLE with difficulty; C: Endocytoscopy (ECS) examination after crystal violet and methylene blue (CM) double staining; D: ECS examination under higher magnification (× 480) shows the glandular orifices of regular Barrett’s epithelium.