Colonic mucosa-associated lymphoid tissue lymphoma identified by chromoendoscopy

Figure 1 Colonoscopic findings. A, B: Before/after narrow-band imaging mode of the lesion; C: Diffuse granularity of the mucosa with loss of vascularity (arrows) was seen in the proximal transverse colon; D-F: Indigo carmine-dye spraying at the suspected pathologic lesion; G, H: After the indigo carmine-dye contrast method was applied, the lesion was distinguished more prominently from the surrounding normal colonic mucosa.