A review of microscopic colitis, a chronic, intermittent inflammatory bowel disease that predominantly affects older women and typically presents with frequent watery, non-bloody stools.

DEAR DR. ROACH: I am a 64-year-old female who is in moderate health. After a monthslong bout of diarrhea, blood work, and a colonoscopy, I’ve been diagnosed with microscopic colitis. After a round of ...

Dear Dr. Roach: I am a 64-year-old female who is in moderate health. After a monthslong bout of diarrhea, blood work, and a colonoscopy, I’ve been diagnosed with microscopic colitis. After a round of ...

(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 ...

DEAR DR. ROACH: I am a 64-year-old female who is in moderate health. After a months-long bout of diarrhea, blood work, and a colonoscopy, I’ve been diagnosed with microscopic colitis. After a round of ...

“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 ...