What is early cancer screening?

It is generally believed that early cancer screening is to draw a few milliliters of blood, and you can predict whether you have cancer through genetic testing technology. In fact, early cancer screening is a very complicated and controversial technical project. Early cancer screening is a variety of inspection techniques for early detection and early warning of early cancer or precancerous lesions. It is not only the detection of susceptible genes in liquid science (liquid biopsy, CTC technology, detection of external secrets, etc. ), including cytological screening in the field of pathology (such as TCT detection of cervical cancer, cytological examination of esophageal exfoliation which is no longer commonly used, etc. ), as well as early imaging examination, such as low-dose spiral CT screening of lung cancer, B-ultrasound and molybdenum target screening of breast cancer, endoscopy of digestive tract, fluorescence staining and biopsy under microscope, etc. , can not be ignored. In addition, some cancer diseases, such as light,

Which cancer diseases are suitable for early screening?

The first kind of cancer diseases with strong heredity

Hereditary thyroid carcinoma (familial non-medullary thyroid carcinoma)

Hereditary colorectal cancer (familial adenomatous polyposis (FAP))

Hereditary gastric cancer (hereditary diffuse gastric cancer)

hereditary breast cancer

The second kind of cancer diseases that repeatedly infect microorganisms and promote canceration.

Cervical cancer (human papillomavirus)

Nasopharyngeal carcinoma (EB virus)

Liver cancer (hepatitis virus, hepatitis B, hepatitis C, etc. )

Gastric cancer (helicobacter pylori)

What are the examination items for cancer screening?

1, blood test

Blood examination is an important means to find early cancer in physical examination. By detecting whether various tumor markers in blood are elevated, we can find and identify various malignant tumors. For example, AFP can be used to examine primary hepatocellular carcinoma and gonadal embryonic tumors.

2. Pap smear examination in gynecological physical examination

Pap staining can be used to detect early cervical cancer, and the detection rate is about 60% ~ 70%.

3.b-ultrasound examination

Using color Doppler imaging technology, we can clearly find out whether there are masses and lesions in most organs of the whole body.

4. x-ray chest film

After X-rays pass through the human body, images are presented due to the different densities of organs and tissues, from which lung tumors can be directly displayed, and chest tumors can also be found through indirect changes such as emphysema, obstructive pneumonia and pleural effusion.

5, anorectal digital examination

The anorectum 7 cm ~ 10 cm from the anal margin can roughly judge whether there is a disease or the nature of the disease.

6, gastroscopy and colonoscopy

The color, vascular texture and gland opening morphology of gastrointestinal mucosa are directly observed with naked eyes to identify whether there are lesions, and biopsy can be done to confirm suspicious lesions.

7.PET-CT diagnosis

PET-CT perfectly integrates pet and CT. PET provides detailed molecular information, such as the function and metabolism of the lesion, while CT provides the precise anatomical location of the lesion. All the sectional images of the whole body can be obtained by one imaging, and the overall situation of the whole body can be seen at a glance, so as to achieve the purpose of early detection of lesions and diagnosis of diseases.

8. Screening of tumor markers

For example, triamcinolone acetonide is one of the tumor markers, and the high level of monohydric phenol conforms to the parameters of tumor screening. Tumor marker screening is generally a broad-spectrum means, which needs to be carried out according to the specific conditions and symptoms of the body, with a certain probability.

Early cancer is usually found only 1-2 years. Therefore, under the correct guidance, regular screening is the most meaningful. The report shows that in the past 30 years, the death rate of cancer in Japan has dropped by 27%, because 80% of cancers are found in the early stage. The problem of cancer cannot be ignored. Timely and effective cancer screening can save your life. In order to get effective screening, it is particularly important to find professional institutions and professional methods. If you want to know more about cancer early screening, or want to do cancer screening, please consult Duomu Health, which will provide you with professional Japanese cancer early screening services.