For More Information
- HER2 Support Group
- Breast Cancer Treatment
- Guide For Women
- Metastatic Breast Cancer
- Sources of Support
- Nutrition & Physical Activity
- NCI Publications
- Follow-Up Care
- Complimentary & Alternative Medicine
- Breast Reconstruction
- Risk Factors
- Cancer & Cancer Pathways
- MD Anderson Cancer Handbook
- Your Guide to Cancer Care
- How To Handle The Fear of Breast Cancer
TEST ACRONYMER/PR Status
Estrogen Receptors / Progesterone Receptors
Hormone receptors are located on the outside of cancer cells and pick up signals that "turn on" growth in breast cells that have receptors.
ER-positive cancer has receptors for the hormone estrogen.
WHEN TEST WOULD BE PERFORMED
Tests will be performed on the tumor sample to determine the hormonal status and reported in the pathology report.
Breast cancers that are either ER+ or PR+, or both, tend to respond to hormonal therapy. They can be treated by medications that reduce the estrogen in your body, and may also be treated with medicine that keeps estrogen away from the receptors.
Hormone status is typically written as a percentage (ie.80%/30%) or a number between 0 and 3. If your pathology report simply states "negative", ask your doctor or lab to provide a number. Even cancers with low hormone status numbers may respond to hormonal treatment.
|Last Updated on Thursday, 21 January 2010 10:10|