Usefulness of magnifying endoscopy for iodine-unstained lesions in a high-risk esophageal cancer population

Figure 3 Type of papilla pattern. Magnifying endoscopic findings in iodine unstained lesions were classified into the following three papilla patterns: Clear papilla pattern that showed regularly arranged white spots (Type A: A and D), fused papilla pattern that had a tendency to be fused but still had a distinguishable outline (Type B: B and E), non-visible papilla pattern that was amorphous, irregular and not stained at all (Type C: C and F).