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Inflammatory bowel disease: Clinical
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Ulcerative colitis mostly appears in individuals aged from 20 to 30 years old.
Ulcerative colitis can involve only the rectum, in which case it’s called ulcerative proctitis, can involve the rectum and the sigmoid colon - called ulcerative proctosigmoiditis, or can involve the rectum, sigmoid colon and the colon up to the splenic flexure - called distal ulcerative colitis. In some cases, it can also pass the splenic flexure, but spare the cecum - called extensive colitis and finally it can involve the entire colon including the cecum - called pancolitis.
The onset of the disease is gradual and symptoms are progressive over a few weeks. There may be systemic symptoms, such as fatigue, fever, unintentional weight loss, as well as dyspnea and palpitations due to iron deficiency anemia caused by blood loss.
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