| Moderate changes | |||
| The endoscopic picture of ulcerative colitis is manifold and includes minor changes but also extensive, mucosal lesions. | |||
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| Granular mucosa with edema, erythema and rarefied vessels. Erythema and invisible vessels in the upper part of the picture. In the lower part neighbouring healthy mucosa with clear cut margins. | |||
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| Hemorrhagic mucosa. There are some singular erosions, vessels are missing. | Hemorrhagic mucosa with mucosal edema. | ||
