结肠镜 If your doctor recommends colonoscopy (for screening or if growths are found on sigmoidoscopy), you will consume only clear liquids and take laxative solutions to cleanse your intestinal tract (bowels) during the day before the procedure. Colonoscopy is not painful but is uncomfortable enou...
Colon cancer is now often detected during screening procedures. Other common clinical presentations include the following: Iron-deficiency anemia Rectal bleeding Abdominal pain Change in bowel habits Intestinal obstruction or perforation Physical findings may include the following: Early disease: Nonspecific ...
Surgery may also be done to relieve symptoms in advanced cancer such as when the cancer has caused a bowel obstruction. The usual procedure is bypass for obstructions that cannot be cured. Rarely a colon cancer presents with such severe blockage (obstruction) or is so massive that a resection...
结肠镜 If your doctor recommends colonoscopy (for screening or if growths are found on sigmoidoscopy), you will consume only clear liquids and take laxative solutions to cleanse your intestinal tract (bowels) during the day before the procedure. Colonosc...
sedated for this procedure. Most polyps can be removed and other suspicious abnormalities can be biopsied, destroyed or removed during this examination. Recent studies suggest that colonoscopy screening can reduce colorectal cancer incidence by up to 86% and colorectal cancer mortality by up to 90%....
Colonoscopy isn't the only colon cancer screening test. There are other options, includingstool teststhat detect blood or DNA, and flexible sigmoidoscopy, which checks only the lower third of your colon. Ask your doctor whether any of these tests would be good substitutes or additions to colono...
doctors want to look for colon cancer before it grows too large or spreads to other organs. Testing persons without symptoms or signs of colon cancer (such as blood in the stool or low blood count) is called screening. Screening for colon cancer is recommended for everyone aged 50 years and...
Some people also might like the fact that colonoscopy needs to be done only once a decade, vs. every 1 to 3 years for home stool tests. The downsides of colonoscopy vs. home colon cancer screening tests are: You'll need to take time from your work or other activities to get ready and...
Screening is important because colorectal cancer in its early stages usually doesn't produce any symptoms. Screening can detect the cancer before it produces symptoms, when it is most curable. After the disease begins to spread, it can produce blood in the stool, changes in bowel patterns (like...
The best test is the one that gets done, so don’t delay. Colonoscopy is widely regarded as the most effective screening test because it allows the doctor to find and remove polyps before they become cancer. If you are unable to do a colonoscopy, there are several alternatives, including ...