Cancer Antigen 125 (CA125)

Refers to antigens associated with malignant tumors such as ovarian cancer. Cancer antigen 125 is present in the epithelial ovarian cancer tissue and serum of the patient. Cancer antigen 125 is mainly used for the diagnosis of malignant serous ovarian cancer and ovarian epithelial cancer. It is also a good indicator for evaluating the efficacy and judging whether there is recurrence. Basic Information Specialist classification: Oncology examination classification: immune examination Applicable gender: whether men and women apply fasting: fasting Tips: Before the examination, the diet is light and alcohol is prohibited. Check for an empty stomach in the morning. Guarantee a good night's sleep. Normal value The normal value of radioimmunoassay is less than 35000 U/L. Clinical significance Cancer antigen 125 is mainly used for the diagnosis of malignant serous ovarian cancer and ovarian epithelial cancer. It is also a good indicator for evaluating the efficacy and judging whether there is recurrence. Increased in ovarian cancer, breast cancer, pancreatic cancer, gastric cancer, etc.; non-malignant tumors such as endometriosis, pelvic inflammatory disease, ovarian cysts, etc. also increased. In addition, benign and malignant pleural effusion, ascites can be seen in cancer antigen 125 increased, and cancer antigen 125 may increase in the first 3 months of pregnancy. High results may be diseases: ovarian tumors in children, postmenopausal ovarian malignant tumors, vaginal septum, fallopian tube tumors, carcinoma in situ, fallopian tube ovarian abscess, ovarian borderline tumor, endometrial tuberculosis, ovarian chocolate cyst rupture precautions First, the precautions before blood draw 1, do not eat too greasy, high-protein food the day before the blood, to avoid heavy drinking. The alcohol content in the blood directly affects the test results. 2. After 8 pm on the day before the medical examination, you should start fasting for 12 hours to avoid affecting the test results. 3, should relax when taking blood, to avoid the contraction of blood vessels caused by fear, increase the difficulty of blood collection. Second, should pay attention after blood draw 1. After blood is drawn, local compression is required at the pinhole for 3-5 minutes to stop bleeding. Note: Do not rub, so as not to cause subcutaneous hematoma. 2, the pressing time should be sufficient. There is a difference in clotting time for each person, and some people need a little longer to clotting. Therefore, when the surface of the skin appears to be bleeding, the compression is stopped immediately, and the blood may be infiltrated into the skin due to incomplete hemostasis. Therefore, the compression time is longer to completely stop bleeding. If there is a tendency to bleed, the compression time should be extended. 3, after the blood draw symptoms of fainting such as: dizziness, vertigo, fatigue, etc. should immediately lie down, drink a small amount of syrup, and then undergo a physical examination after the symptoms are relieved. 4. If there is localized congestion, use a warm towel after 24 hours to promote absorption. 3. Please inform the doctor about the recent medication and special physiological changes before the test. Inspection process Immediately after the blood sample is collected, it is sent for inspection. Not suitable for the crowd Those without examination indications should not be tested. Adverse reactions and risks 1. Infection: Pay attention to aseptic operation when collecting blood, avoid contamination of water and other parts at the blood collection site to avoid local infection. 2, bleeding: after the blood is given a full compression time, especially coagulopathy, bleeding tendency, to avoid local subcutaneous oozing, bruising and swelling.