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6 de dez. de 2022 · Virtual colonoscopy (CT colonography) During a virtual colonoscopy, a CT scan produces cross-sectional images of the abdominal organs, allowing the doctor to detect changes or abnormalities in the colon and rectum. To help create clear images, a small tube (catheter) is placed inside your rectum to fill your colon with air or carbon dioxide.
Colorectal cancer screening tests can be divided into 2 main groups: Stool-based tests: These tests check the stool (feces) for signs of cancer. These tests are less invasive and easier to have done, but they need to be done more often. Visual (structural) exams: These tests look at the structure of the colon and rectum for any abnormal areas.
按此收看. 最新修訂日期：2024年4月29日
18 de mai. de 2021 · The USPSTF recommends screening for colorectal cancer in adults aged 45 to 49 years. See the "Practice Considerations" section and Table 1 for details about screening strategies. The USPSTF recommends that clinicians selectively offer screening for colorectal cancer in adults aged 76 to 85 years.
23 de mai. de 2024 · Screening tests can help prevent colorectal cancer or find it early, when it may be easier to treat. You may need to start getting screened before age 45 years if colorectal cancer runs in your family. Your doctor may also recommend that you continue to get screened if you’re between ages 76 and 85 years, depending on things like your overall ...
Screening can find precancerous polyps—abnormal growths in the colon or rectum—that can be removed before they turn into cancer. Screening also helps find colorectal cancer at an early stage, when treatment works best. Please note: In May 2021, the US Preventive Services Task Force changed its colorectal cancer screening recommendation.
20 de nov. de 2023 · The updated 2023 guidelines, endorsed by the National Health and Medical Research Council (NHMRC), now recommend a population screening start age of 45 years instead of 50 years and provides revised advice about targeted screening for people without symptoms who are at higher-than-average risk based on their family history of colorectal cancer.
