News on metaplastic breast cancer?

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Question from Cyna: Metaplastic breast cancer is "typically" triple negative. Do you know of any research or news about metaplastic breast cancer? Is there any research being conducted?
Answers - Kathy D. Miller, M.D. Metaplastic breast cancer is a rare type of breast cancer that is very different from the typical ductal or lobular breast cancer. Metaplastic breast cancers start in cells that provide the supporting structure for the glandular breast tissue. Since the cells that give rise to metaplastic breast cancer are not part of the normal breast gland, they are always ER- and PR-negative. Because metaplastic breast cancers are relatively rare (less than 1% of all breast cancers), there have been very few studies limited to that type of breast cancer. We do know that they respond to chemotherapy, but we have not been able to compare different treatment options for this rare tumor.

The Ask-the-Expert Online Conference called Hormone-Receptor-Negative Breast Cancer featured Kathy D. Miller, M.D., Marisa Weiss, M.D., and moderator Jennifer Armstrong, M.D. answering your questions about a wide range of issues related to hormone-receptor-negative breast cancer.

Editor's Note: This conference took place in November 2005.

The materials presented in these conferences do not necessarily reflect the views of Breastcancer.org. A qualified healthcare professional should be consulted before using any therapeutic product or regimen discussed. All readers should verify all information and data before employing any therapies described here.

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