The simplest way to judge colon cancer

The simplest way to make a preliminary judgment on colorectal cancer is to screen it through a fecal occult blood test. If the result is positive, a colonoscopy is required for confirmation. A definitive diagnosis requires a colonoscopy biopsy. Other tests such as CT colonography, tumor marker testing, and genetic testing can also be used for preliminary judgment. It is recommended to seek medical attention in a timely manner and take appropriate treatment measures according to the doctor's advice based on different situations. The details are as follows:

1. Fecal occult blood test: Fecal occult blood test is a screening method commonly used to detect colorectal cancer. By detecting occult blood in the stool, signs of intestinal bleeding can be detected early, thereby improving the early diagnosis rate of colorectal cancer. This test is simple and easy to perform and suitable for large-scale screening, but its sensitivity and specificity are low, and further examination is required if the result is positive.

2. Colonoscopy biopsy: Colonoscopy is a procedure that involves inserting a thin, long endoscope into the rectum and colon to directly observe lesions in the intestine and perform a biopsy to determine if cancer is present. Although colonoscopy is slightly uncomfortable, it is highly accurate. Colonoscopy biopsy is the gold standard for diagnosing colorectal cancer.

3. CT colonography: CT colonography is a non-invasive imaging test that uses CT scans to obtain detailed images of the intestines to help doctors detect possible tumors or abnormalities. Although it is not as intuitive as colonoscopy, it is a more comfortable option for some patients.

4. Tumor marker test: Elevated levels of certain tumor markers in the blood may indicate the presence of colorectal cancer. Although tumor marker testing alone cannot confirm colorectal cancer, it can provide valuable information as an auxiliary diagnostic tool. Patients must use medications as directed by their doctor.

5. Genetic testing: Genetic testing can detect genetic variations associated with colorectal cancer, especially for high-risk people with a family history. By analyzing genetic information in blood or saliva samples, it helps assess the risk of colorectal cancer and develop personalized prevention and screening plans.

Early screening and timely diagnosis of colorectal cancer are crucial to improving the cure rate. Regular relevant examinations are recommended, as prevention is better than cure.