CA-125
Treatment
Internal Medicine
What is it and what does it analyse? The CA-125 test measures the amount of a protein called CA-125 (cancer antigen 125) in a blood sample. This protein serves as a tumour marker. What is it used for? Ovarian cancer monitoring: This is the most common use of the test. It helps evaluate whether treatment is effective and if ovarian cancer has recurred. Evaluation of pelvic masses: