News, Analysis, Trends, Management Innovations for
Clinical Laboratories and Pathology Groups

Hosted by Robert Michel

News, Analysis, Trends, Management Innovations for
Clinical Laboratories and Pathology Groups

Hosted by Robert Michel
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“Poorly-Developed” Clinical Pathology Laboratory Tests Subject of New York Times Story

Times reporter looks at issues affecting accuracy of different breast cancer tests


Pathologists should consider a recent story about breast cancer testing in the New York Times to be a warning flag, similar to the warning flags that the Coast Guard flies along the coast to warn of an approaching hurricane. The subject of the story was “unclear tests” used to identify whether a breast cancer patient is a candidate for certain therapeutic drugs.

The New York Times story was in response to the public release of new guidelines for processing specimens used in estrogen receptor and progesterone receptor (ER/PR) testing for breast cancer. The guidelines were announced by the College of American Pathologists and American Society of Clinical Oncology (ASCO) on April 19, 2010. One goal of the new guidelines is to improve “the accuracy of immunohistochemistry (IHC) testing for the expression status of estrogen (ER) and progesterone receptors (PgR) in breast cancer” as performed by the hundreds of anatomic pathology laboratories in the United States which perform ER and PR testing.

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