Breast Cancer Test-Cancer Antigen CA 27.29 Blood Test

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Use: Cancer antigen (CA) 27.29 breast cancer blood test is a highly sensitive tumor marker used to monitor breast cancer. It is serially monitored during therapy because of direct correlation to changing clinical status of the cancer. Manage patients with metastatic carcinoma of the breast. CA 27.29 is a highly polymorphic glycoprotein belonging to the mucin family and is the product of the muc-1 gene. It is most useful using serial measurements to monitor both the course of disease and response to therapy because the direct correlation of changing levels of CA 27.29 with clinical status. In patients with known metastases, a reduction in levels of this marker indicates a good response to treatment while increasing levels indicate resistance to therapy and progressive disease and justify further clinical evaluation and regular monitoring. It has also recently been shown that an elevation