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This article is part of the supplement: Proceedings of the 11th European Congress on Telepathology and 5th International Congress on Virtual Microscopy

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Semi-automatic FISH quantification on digital slides

Gábor Kiszler1*, László Krecsák3, Annamária Csizmadia1, Tamás Micsik2, Dániel Szabó1, Viktor Jónás1, Viktória Prémusz3, Tibor Krenács2 and Béla Molnár1

Author Affiliations

1 Department of Image Analysis, 3DHISTECH Ltd., H-1121 Budapest, Konkoly-Thege Miklós u. 29-33, Hungary

2 Ist Department of Pathology and Experimental Cancer Research, Semmelweis University, H-1085 Budapest, Üllöi u. 26, Hungary

3 H-1063 Budapest, Podmaniczky u. 63, Hungary

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Diagnostic Pathology 2013, 8(Suppl 1):S21  doi:10.1186/1746-1596-8-S1-S21

Published: 30 September 2013

First paragraph (this article has no abstract)

HER2 is a transmembrane glycoprotein, a member of epidermal growth factor receptor family. It was documented that the amplification and the over expression of this gene plays an important role in the pathogenesis and in the progression of breast cancer [1]. Nowadays this is one of the most important biomarker and target for breast cancer therapy. 10-30% of invasive breast carcinomas are HER2 positive, the gene over expression occurring in invasive ductal adenocarcinomas and in invasive lobular carcinomas as well. Therefore the assessment of the HER2 receptor status of the formalin-fixed paraffin embedded cancer specimens has a key importance for specifying the appropriate therapy. For prognostic and predictive testing the immuncytochemical and FISH stains are routinely used in the clinical diagnostic. According to the guideline of the American Society of Clinical Oncology/College of American Pathologists [2] when the immunoquantification is not clear FISH stain should be apply to support the diagnosis. By using dual or multicolor probes, the chromosomal aberration and gene sequence modification can be detected in parallel.