溃疡性结肠炎的诊断和鉴别诊断溃疡性结肠炎的诊断和鉴别诊断Clinical PresentationClinical PresentationnIntestinal SymptomsIntestinal Symptomsn70%of patients with UC report 5 bowel movements during acute phases.nThe main reason for diarrhea is colonic inflammation,but bile acid and food malabsorption secondary to inflammation in the terminal ileum or the proximal small bowel can contribute to this symptom.nA history of surgical resections can be seminal in explaining symptoms.nAcute phases of UC almost always present with blood
