PART TWO: Quebec’s Debate about Breast Cancer Test Errors Turns to Questions about Defining Accuracy of Pathology Laboratory Testing

Dec 28, 2009 | Laboratory Management and Operations, Laboratory News, Laboratory Pathology

Specialist physicians in Quebec question why the outside review of ER and HER2 breast cancer pathology test results used a 1% standard versus a 10% standard Public debate in Quebec about inaccurate tests for breast cancer by the province’s pathology laboratories has turned attention to an area of pathology testing which is seldom discussed in public forums. It is the situation where there is often significant variability in rate of false positives and false negatives reported by different...

PART ONE: More Debate in Quebec about How Pathology Labs Performed Inaccurate Breast Cancer Tests

Dec 23, 2009 | Laboratory News, Laboratory Pathology

Results of retesting 2,856 women were made public last week, putting pathology in the media spotlight In Quebec, concerns continue about the accuracy of breast cancer testing performed in the province. Last Wednesday, Quebec’s Health Minister, Yves Bolduc released the results from a project that retested breast cancer tissue from 2,856 women. This review involved cases where the original pathology analysis for estrogen receptor (ER) or HER-2 marker status by immunohistochemistry (IHC) had...
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