“Dense, predominantly lymphocytic infiltrate in the lamina propria with variably frequent plasma cells and eosinophils are seen.” Another pattern of injury is lymphocytic colitis, which is ...

A 64-year-old woman reports a 9-month history of watery, nonbloody diarrhea with up to five loose bowel movements a day. Her diarrhea is associated with mild, crampy abdominal pain that is relieved ...

(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 ...

Patients with autoimmune thyroid disease had a 65% higher risk of developing microscopic colitis, with the strongest association observed in patients diagnosed with microscopic colitis before 50 years ...