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Ann Pathol. 2010 Apr;30(2):85-93. doi: 10.1016/j.annpat.2010.03.003. Epub 2010 Apr 13.

[Role of the surgical pathology laboratory in the pre-analytical approach of molecular biology techniques].

[Article in French]

Author information

  • 1Laboratoire de pathologie clinique et expĂ©rimentale, hĂ´pital Pasteur, CHU de Nice, 30, avenue de Voie-Romaine, BP 69, 06002 Nice cedex, France. hofman.p@chu-nice.fr

Abstract

The advent of the targeted cancer therapies administered to patients, according to the results of molecular biology techniques (in particular, in situ hybridization, "polymerase chain reaction" amplification and sequencing), has modified the practice of the surgical pathology laboratories. The necessity to answer to the needs of physicians for optimizing the medical care for patients who develop cancer has led to a policy of national debate, spurred by the National Institute of Cancer (INCa), in order to implement new procedures in the pathology laboratories. Thus, in addition to the structuring of molecular biology platforms and their labeling by INCa, the upstream control of the steps present between resection of tumor samples and molecular analysis has proved to be crucial. Indeed, the quality of this upstream time, called "pre-analytical" phase, determines the reliability of the molecular biology results and therefore the therapeutic strategy. We describe here the main steps to be checked in the pre-analytical phase. The optimization of this pre-analytical phase within the surgical pathology laboratory aims to reduce or render insignificant the risk of errors of molecular biology tests. These errors can indeed lead to false negative or false positive results whose therapeutic consequences can be particularly harmful to patients with cancer.

PMID:
20451063
DOI:
10.1016/j.annpat.2010.03.003
[PubMed - indexed for MEDLINE]
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