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(a–c) Endoscopic images of mucosal healing (normal vascular and mucosal pattern) with i-scan OE (optical enhancement). (d,e) Regular crypts and normal vessels with confocal (fluorescein 2.5 ml 10%). (f) Haematoxylin–eosin, original magnification ×200 showed colonic mucosa healing. (g) Haematoxylin–eosin, original magnification ×400.
