454717.fig.002a
(a)
454717.fig.002b
(b)
Figure 2: (a) Abnormal epithelium with decreased uptake of fluorescein in a patient with primary sclerosing cholangitis seen during a confocal procedure using a GastroFlex. (b) Abnormal epithelium with decreased uptake of fluorescein with loss of architecture integrity in a patient with primary sclerosing cholangitis seen during a confocal procedure using a GastroFlex.