| HER2 Gene Amplification in Breast Cancer: A Rogues' Gallery of Challenging Diagnostic Cases: UKNEQAS Interpretation Guidelines and Research Recommendations. | |
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MedLine Citation:
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PMID: 22431536 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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International and national guidelines highlight the importance of accuracy, reproducibility, and quality control of in situ hybridization (ISH) methods for testing breast carcinomas. However, few guidelines cover the reporting of ISH cases with "unusual" signal patterns, including, eg, heterogeneity and loss of chromosome enumeration probe or gene signals. These cases are, in fact, relatively frequent, and there is a need for developing evidence- or consensus-based reporting guidelines to ensure consistency of treatment. Following an audit of cases from a single center (including >1,700 cases) we show that approximately 10% of ISH results reflect unusual signal patterns. We illustrate the most common of these patterns and provide reporting guidelines for diagnosticians and recommendations for future research. Our goal is to ensure that in the future such "rogues" are reported in a consistent manner that, ultimately, will be supported by molecular and biochemical evidence. |
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Authors:
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Jane Starczynski; Neil Atkey; Yvonne Connelly; Tony O'Grady; Fiona M Campbell; Silvana di Palma; Peter Wencyk; Bharat Jasani; Michael Gandy; J M S Bartlett |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: American journal of clinical pathology Volume: 137 ISSN: 1943-7722 ISO Abbreviation: Am. J. Clin. Pathol. Publication Date: 2012 Apr |
Date Detail:
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Created Date: 2012-03-20 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0370470 Medline TA: Am J Clin Pathol Country: United States |
Other Details:
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Languages: eng Pagination: 595-605 Citation Subset: AIM; IM |
Affiliation:
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john.bartlett@oicr.on.ca. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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