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1, blood test
Blood test is an important means of detecting early cancer in physical examination. Detecting the elevation of various tumor markers in the blood can detect and identify various malignant tumors. For example, AFP can detect primary hepatocellular carcinoma and embryonic tumor of gonads. Carcinoembryonic antigen (CEA) is elevated in colon, stomach, lung and bile duct cancers, and also in liver, breast, ovarian and pancreatic cancers.
In 2013, Professor Luo Yongzhang's group at the Laboratory of Oncology Biology, Tsinghua University, discovered for the first time in the international arena that heat shock protein 90α is a brand-new tumor marker, and the independently-developed quantitative detection kit has been validated through clinical trials.
2. Pap smear in gynecological physical examination
Applying the method of Pap staining, early cervical cancer can be detected, and the detection rate is about 60% to 70%.
3. Ultrasound
Using color Doppler imaging technology, it can clearly find out whether there are lumps and lesions in most organs of the body.
4, X-ray chest film
After X-ray passes through the human body, it presents images due to the different densities of organs and tissues, which can directly show lung tumors, and also can search for chest tumors through the indirect changes such as emphysema, obstructive pneumonia, and pleural fluid.
5, anorectal fingerprinting
Roughly, it can determine whether there is any lesion and the nature of lesion in anus and rectum which is 7cm~10cm away from the anal verge.
6, gastroscopy and enteroscopy
Directly with the naked eye to observe the gastric and intestinal mucosa color, vascular texture, glandular openings morphology, to identify the presence or absence of lesions, on the suspected foci of biopsy can be done to confirm the diagnosis.
7, PET-CT diagnosis
PET-CT will PET and CT perfect integration of PET and CT, PET provides lesions with detailed molecular information such as function and metabolism, and CT provides precise anatomical localization of the lesions, a single image can be obtained from the whole body of the tomographic images in all directions, with sensitivity, accuracy, specificity and precise localization of the characteristics of the whole body at a glance to understand the overall condition of the whole body, to achieve early detection of lesions, to achieve the overall condition of the whole body, and to achieve the early detection of the disease, to achieve the overall condition of the whole body, and to achieve the early detection of the disease. It is characterized by sensitivity, accuracy, specificity and precise localization, which enables the whole body to be understood at a glance and achieves the purpose of early detection of lesions and diagnosis of diseases.
8. Tumor marker screening
For example, the test of Anxudine. Monohydroxyphenol is one of the tumor markers, and the high level of monohydroxyphenol meets the parameters of tumor screening. Tumor marker screening is generally a broad-spectrum means, which needs to be carried out with the body's specific conditions and symptoms, and has a certain degree of probability.