Let’s take a look at the examination methods for colorectal cancer

Colon cancer is a type of cancer. Many people are not clear about the examination methods for colon cancer. So what are the examination methods for colon cancer? I hope the following experts' introduction can help you. Let everyone know more about the examination methods for colon cancer .

(1) Stool examination: Although the fecal occult blood test is not specific for the diagnosis of this disease, the method is simple and easy to perform. It can be used as a screening method or provide clues for early diagnosis. This is the examination method for colorectal cancer.

(2) Rectal examination: Rectal cancer in the lower part of the body is much more common in my country than in other countries, accounting for about 77.5%. Therefore, most rectal cancers can be felt during rectal examination, which is also a method of examining colorectal cancer.

(3) Sigmoidoscopy: Early symptoms of colorectal cancer 77.7% of colorectal cancer occurs in the rectum and sigmoid colon. The commonly used sigmoidoscope tube is 30 cm long and can directly detect tumors in the anal canal, rectum, and below the middle of the sigmoid colon.

(4) Barium enema X-ray examination: There is another method for the examination of colorectal cancer. Patients with lesions in the upper sigmoid colon or higher must undergo an X-ray barium enema examination. Ordinary barium enema X-ray examinations are prone to miss small colorectal cancers. It is best to use air-barium double contrast, which can improve the accuracy of diagnosis and show the location and range of the cancer.

The above content is the examination method for colorectal cancer introduced by experts. Please pay attention to it. I hope it will be helpful to you. If you have other questions about the examination method for colorectal cancer, please consult online experts and they will give you detailed answers.