Chronic colitis includes ordinary colitis and special colitis, with different colonoscopic manifestations, including intestinal mucosal congestion, edema, ulceration, erosion, etc..
Ordinary chronic colitis can be transformed by acute colitis, and localized intestinal mucosal congestion and edema can be observed under enteroscopy. Specialized chronic colitis includes ulcerative colitis and Crohn’s disease.
1. Ulcerative colitis: in the active stage, colonoscopy can see blurring or disappearance of mucosal vascular texture, mucosal congestion, edema, bleeding and purulent secretion attachment. Localized erosions and multiple superficial ulcers are seen. Ulcerative colitis in the chronic phase can be seen mucosal roughness, inflammatory polyps, etc., the colonic pouch becomes shallow or disappears.
2. Crohn’s disease: colonoscopy can see segmental mucosal lesions, longitudinal ulcers and cobblestone-like appearance.
Colonoscopy has an important role in the diagnosis and identification of chronic colitis, it is recommended to seek timely medical treatment, under the guidance of a professional doctor to clarify the diagnosis, so as not to delay the condition.