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CLE images in inflammatory bowel diseases. (A) Active ulcerative colitis (distal colitis-the switch from normal mucosa (top of the figure) to inflamed mucosa with irregular arrangement of crypts, crypt fusion and capillaries alterations. (B) Crohn’s disease-dilated and distorted capillaries, altered crypt architecture, increased distance between the crypts. Magnification: 1,000×. Adapted from De Palma GD, et al., World J Gastroenterol, 2013. CLE, confocal laser endomicroscopy.
