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

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

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...

Canadian Lab Leaders Gather in Toronto to Tackle Tough Issues

Executive Edge conference tackles the good, the bad, and the ugly of lab testing DATELINE: TORONTO, CANADA—Yesterday and today, an impressive cross section of leaders in clinical lab testing, histopathology, and other health specialties in Canada came together. Their goal was to discuss and debate the future of laboratory testing services in Canada at the 4th Executive Edge conference. If the future state of lab testing in Canada was the theme, ever-present in the background is the current...

Study Indicates Errors in Breast Cancer Testing in Canadian Province of Quebec

Health minister characterizes reports of 20% to 30% error rates as highly exaggerated Questions about a possible high rate of errors in breast cancer testing done in the Canadian province of Quebec surfaced last week. Government health officials were forced to publicly acknowledge that they had received a report in April of a limited study that indicated an error rate of between 15% and 20% in hormone receptor testing, and an error rate as high as 30% in HER2/neu testing. Following the first...
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