A condition characterized by the presence of numerous internal polyps, especially a hereditary disease ( familial adenomatous polyposis) that affects the colon and in which the polyps may become malignant.
- High-risk patients include patients younger than 60 years with a history of hereditary nonpolyposis colorectal cancer, familial polyposis, ulcerative colitis, high-risk adenomatous polyps or previous colorectal cancer.
- Familial adenomatous polyposis is an autosomal dominant syndrome in which hundreds to more than a thousand polyps develop in the colon and other parts of the gastrointestinal tract, beginning early in life.
- Patients with inflammatory bowel disease, familial polyposis, acute abdominal symptoms, or pregnancy were excluded.
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