Microscopic Colitis: Etiology, Diagnosis, and Evidence-Based Management
Definition and Disease Spectrum Microscopic colitis (MC) is a chronic, immune-mediated inflammatory disorder of the colon characterized by persistent, non-bloody, watery diarrhea, with normal-appearing mucosa on endoscopy but distinctive histopathological features confined to the lamina propria. Two subtypes exist: Both subtypes share overlapping clinical features, risk factors, and treatment responses, suggesting a common pathophysiologic pathway—though…
