In early mild Crohn's disease, the colonic mucosa appears endoscopically normal or small, punched-out aphthous ulcers are often seen (Figure 1). These aphthous ulcers are a result of submucosal ...

normal colonoscopy findings and characteristic histopathological findings in biopsy samples of the colonic mucosa. 1 Lymphocytic colitis and collagenous colitis are clinically indistinguishable ...

Moreover, a significant decline in ERβ expression levels has been observed along the transition from normal mucosa to ... and a regulatory effect on colonic mucosa cell growth.