tumor screening

Tumor screening is an important way to detect cancer and precancerous lesions early. Blood examination indicators in physical examination, B-ultrasound, X-ray, anorectal finger examination, Pap smear in gynecological examination, mammography, etc. are commonly used methods for screening tumors. Basic Information Specialist classification: Oncology examination classification: other examinations Applicable gender: whether men and women apply fasting: fasting Tips: Pay attention to the health of the diet and should be checked in the morning. Normal value Generally, serum tests are negative; others are required to be within a certain range. Clinical significance Abnormal results: 1. Blood test Blood test is an important means of detecting early cancer in physical examination. When detecting whether various tumor markers in the blood are elevated, various malignant tumors can be found and identified. For example, alpha-fetoprotein AFP can be used to detect primary hepatocellular carcinoma and gonad embryonic tumors. When carcinoembryonic antigen CEA is significantly elevated, colon cancer, gastric cancer, lung cancer, and cholangiocarcinoma are common; there is also an increase in liver cancer, breast cancer, ovarian cancer, and pancreatic cancer. 2. In the gynecological examination, the Pap smear method can detect early cervical cancer by Pap staining, and the detection rate is about 60% to 70%. 3. B-ultrasound uses color Doppler imaging technology to clearly detect whether most organs in the body have lumps and lesions. 4. X-ray chest X-ray through the human body, due to different organs and tissue density to present images, which can directly display lung tumors, but also through chest emphysema, obstructive pneumonia, pleural effusion and other indirect changes to find chest tumors . 5. Anorectal digital examination can roughly determine the nature of the anus and rectum from 7 cm to 10 cm from the anal verge. 6. Gastroscope and colonoscopy directly observe the color of the stomach and intestinal mucosa, the vascular texture, and the shape of the gland opening to visually identify the presence or absence of lesions. The suspected lesions can be diagnosed by biopsy. People who need to be examined: Patients suspected of having a tumor disease or a tumor disease can be examined, or a physical examination can be performed. Precautions Contraindications before the test: serum tests require an empty stomach check, contraindications to diet, or spicy food. Requirements for inspection: Pay attention to the serum is not contaminated, and the position is correct. Inspection process Generally used blood test, Pap smear in gynecological examination, B-ultrasound, X-ray chest, anorectal finger examination and gastroscope and colonoscopy detection methods. Not suitable for the crowd Inappropriate people: no special requirements. Adverse reactions and risks No related complications or hazards.

The material in this site is intended to be of general informational use and is not intended to constitute medical advice, probable diagnosis, or recommended treatments.