CA 50

Cancer antigen CA 50 (CA 50) belongs to a group of markers tumor markers. Tumor markers are referred to as substances whose increase in concentration in the body can be caused by the development of cancer. They are of auxiliary importance in The process of diagnosing the disease, monitoring the effects of treatment, prognosis of cancer recurrence or the presence of metastases. CA 50 by structure is similar to the antigen CA 19 - 9. In cancers of the gastrointestinal tract gastrointestinal, pancreatic and colorectal cancers, the percentages of elevated CA 50 and Ca 19-9 concentrations are similar. Elevated concentrations of the marker are also found in about 50-70% of patients with primary cancer of the liver and in cancers of the lung, cervix and endometrium, prostate, ovaries, kidney and breast, as well as in some patients with malignant melanoma and lymphoma. Elevated concentrations of this marker is also found in many patients with ulcerative colitis colon and in some autoimmune diseases and cirrhosis.