Clinical applicability of gastroscopy with narrow-band imaging for the diagnosis of Helicobacter pylori gastritis, precancerous gastric lesion, and neoplasia

Figure 3 Narrow-band imaging endoscopy images of intestinal metaplastic mucosa. A: Gastric mucosa covered with multiple whitish green-colored patches; B: Thick borders enclosing a tubulovillous mucosal pattern, the so-called marginal turbid band (MTB); C: Thin fluorescent lines along the MTB, the so-called light blue crest; D: White opaque substance obscuring the mucosa surface.