CA 15.3 molecule is a mucin, being a product of the MUC1 gene. CA 15.3 is a highly polymorphic glycoprotein produced by normal breast cells. In many people with cancerous breast tumor ,there is an increased production of CA 15.3. It is elevated in 80% of those with Breast cancer that has spread.
It is useful in :
When to get Tested
Done along with other tests when advanced breast cancer is first diagnosed to help determine cancer characteristics and treatment options.
CA 15-3 is not done when breast cancer is detected early before it has metastasized, because levels will not be elevated in majority of early cancers.
Benign Breast Disease
Get The App Now
Bhishak offers more details regarding the diseases. Detailed description, etiology, types, investigation and treatments. Download the app to enjoy the full set of features