Image-enhanced endoscopy for diagnosis of colorectal tumors in view of endoscopic treatment

Figure 2 Flexible spectral imaging color enhancement without magnification. A: Ia polyp 5 mm in diameter. White-light (WI) endoscopy figure; B: Flexible spectral imaging color enhancement (FICE) without magnification. FICE settings were RGB wavelengths 550, 500 and 470 nm. Round pits were identified as non-neoplastic surface patterns; C: IIa polyp 16 mm in diameter. WI endoscopy figure; D: Meshed capillary pattern was not detected with FICE without magnification, but round surface pattern was detected. The polyp was diagnosed as a non-neoplastic polyp.