The examination items for colorectal cancer include these items

Colorectal cancer is also a disease that cannot be ignored, because the harm to the human body caused by colorectal cancer is no less than other diseases. However, many people ignore the examination of colorectal cancer. So, what are the examination items for colorectal cancer ? Next, let the experts give you a detailed introduction to the examination of colorectal cancer.

1. For colorectal cancer, sigmoid colon examination should be performed once a year for three consecutive years starting from the age of 50, if conditions permit. If negative, the examination should be performed every four years thereafter. For those who have blood in the stool or changes in bowel habits and no abnormalities are found in the rectal examination, sigmoid colonoscopy should be performed routinely. About 75% to 80% of rectal and sigmoid colon cancers can be diagnosed by sigmoid colonoscopy.

Second, rectal examination is the main method of colorectal cancer examination, because 70% to 75% of colorectal cancer occurs in the rectum and cecum. And 75% of tumors can be found through rectal examination. People over 40 years old should be examined once a year, especially those with abnormal bowel habits such as blood in stool, frequent bowel movements, mucus in stool, and tenesmus.

3. Fecal occult blood test is the simplest and cheapest method for colorectal cancer examination. People over 50 years old should be examined once a year. Colorectal cancer examination can be used as a preliminary screening method for large-scale colorectal cancer surveys. Fecal occult blood test can also detect digestive tract diseases such as colorectal polyps, especially colorectal adenomas, which have a canceration rate of up to 10% to 20%.

4. Colonoscopy : This examination is suitable for patients whose tumors are located at a higher position and cannot be touched by digital examination or for patients who can be touched by digital examination but have no pathological diagnosis before surgery. In this case, a tissue biopsy should be taken to confirm the diagnosis to avoid missed diagnosis or misdiagnosis. This is one of the examinations for colorectal cancer.

The above is the introduction of these items in the examination of colorectal cancer, for your reference only. Experts remind patients to choose a regular hospital to receive colorectal cancer examination to avoid misdiagnosis and missed diagnosis. If you have any questions about the examination of colorectal cancer, please consult online experts!

For more information, please visit the colorectal cancer topic http://www..com.cn/zhongliu/dca/ or consult with experts for free. The experts will give detailed answers based on the patient's specific situation!