Dear K.G.: Microscopic colitis is a chronic inflammatory disease of the colon. It comes in two pathologic forms — collagenous ...

Compared with patients not undergoing surgery, fewer patients with IBD who had bariatric surgery reached the composite primary endpoint of IBD-related hospitalization, initiation of corticosteroids, ...

(a) Atrophic/withering crypts (red arrow) and lamina propria vascular congestion. Notice that the cellularity of the lamina propria is not significantly increased. (b) Vascular congestion and ...