Figure 2: Confocal laser endomicroscopy images from a healthy subject (a) and an Ulcerative Colitis (UC) patient with inactive disease (b). UC patients display increased crypt diameter, intercryptic distance, and perivascular fluorescence. Courtesy of Dr. A. Buda and with permission of Journal of Crohn’s and Colitis [105]; © inclusion under a Creative Commons license or any other open-access license allowing onward reuse is prohibited.