Intestinal cancer screening method
Now people''s lives are constantly improving, making everyone very interested in some foods with a high calorie content. Therefore, for some people, because the body can not digest these products, which leads to the occurrence of diseases. Bowel cancer is one of the diseases. Its incidence is very high, which directly affects people''s health. Therefore, it is necessary to make a correct diagnosis through relevant examinations.
What are the methods for bowel cancer screening< /p>
1. Laboratory tests
Blood routine, biochemical items (liver and kidney function + serum iron), stool routine + fecal occult blood and other laboratory tests are helpful to understand whether the patient has iron deficiency Basic conditions such as sexual anemia, liver and kidney function. Carcinoembryonic antigen (CEA) detection of blood tumor markers is helpful for the diagnosis of tumors. In patients with colorectal cancer, high CEA levels do not mean that there are distant metastases; there are a few patients with metastatic tumors, CEA does not increase.
2. Endoscopy
Colonoscopy is the extension of the fiber colonoscopy into the ileocecal part of the initial part of the colon to check the colon and rectum intestinal cavity, and during the inspection process Perform biopsy and treatment. Colonoscopy is more accurate than barium enema X-ray, especially for small polyps in the colon, which is confirmed by colonoscopy and pathology. The removal of benign polyps can prevent their transformation into colorectal cancer, and cancerous polyps can help to diagnose and treat them.
3. Biopsy and exfoliation cytology
biopsy is decisive for the diagnosis of colorectal cancer, especially early cancer and polyp cancer, and the differential diagnosis of lesions, It can clarify the nature of the tumor, histological type and malignant degree, judge the prognosis and guide clinical treatment. The accuracy of exfoliation cytology is high, the material is cumbersome, it is difficult to obtain satisfactory specimens, and the clinical application is few.
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