Prevalence of recurrent and non-recurrent BRCA1 and BRCA2 pathogenic variants in Polish breast cancer patients: insights from a regional genetic testing cohort from Lower Silesia.

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Title: Prevalence of recurrent and non-recurrent BRCA1 and BRCA2 pathogenic variants in Polish breast cancer patients: insights from a regional genetic testing cohort from Lower Silesia.
Authors: Matkowski R; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland. rafal.matkowski@umw.edu.pl.; Department of Oncology, Faculty of Medicine, Wroclaw Medical University, 1 Ludwik Pasteur Embankment, Wroclaw, 53-367, Poland. rafal.matkowski@umw.edu.pl., Abrahamowska M; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland.; Department of Oncology, Faculty of Medicine, Wroclaw Medical University, 1 Ludwik Pasteur Embankment, Wroclaw, 53-367, Poland., Michalowska D; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland., Chrusciel A; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland., Szelachowska J; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland.; Department of Oncology, Faculty of Medicine, Wroclaw Medical University, 1 Ludwik Pasteur Embankment, Wroclaw, 53-367, Poland., Blomka D; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland., Lawicka P; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland., Czykalko E; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland., Pietron A; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland., Ekiert M; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland.; Department of Oncology, Faculty of Medicine, Wroclaw Medical University, 1 Ludwik Pasteur Embankment, Wroclaw, 53-367, Poland., Doraczynska-Kowalik A; Department of Genetics, Faculty of Medicine, Wroclaw Medical University, Marcinkowskiego 1, Wroclaw, 50-368, Poland., Janus-Szymanska G; Faculty of Medicine, Wroclaw University of Science and Technology, Grunwaldzki Sq. 11, Wroclaw, 50-377, Poland., Kasprzak P; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland., Szynglarewicz B; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland.; Department of Oncology, Faculty of Medicine, Wroclaw Medical University, 1 Ludwik Pasteur Embankment, Wroclaw, 53-367, Poland., Laczmanska I; Department of Clinical and Experimental Pathology, Faculty of Medicine, Wroclaw Medical University, Borowska 213, Wroclaw, 50-556, Poland.
Source: BMC cancer [BMC Cancer] 2026 Apr 21; Vol. 26 (1). Date of Electronic Publication: 2026 Apr 21.
Publication Type: Journal Article
Journal Info: Publisher: BioMed Central Country of Publication: England NLM ID: 100967800 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-2407 (Electronic) Linking ISSN: 14712407 NLM ISO Abbreviation: BMC Cancer Subsets: MEDLINE
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  Data: Prevalence of recurrent and non-recurrent BRCA1 and BRCA2 pathogenic variants in Polish breast cancer patients: insights from a regional genetic testing cohort from Lower Silesia.
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  Data: <searchLink fieldCode="AU" term="%22Matkowski+R%22">Matkowski R</searchLink>; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland. rafal.matkowski@umw.edu.pl.; Department of Oncology, Faculty of Medicine, Wroclaw Medical University, 1 Ludwik Pasteur Embankment, Wroclaw, 53-367, Poland. rafal.matkowski@umw.edu.pl.<br /><searchLink fieldCode="AU" term="%22Abrahamowska+M%22">Abrahamowska M</searchLink>; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland.; Department of Oncology, Faculty of Medicine, Wroclaw Medical University, 1 Ludwik Pasteur Embankment, Wroclaw, 53-367, Poland.<br /><searchLink fieldCode="AU" term="%22Michalowska+D%22">Michalowska D</searchLink>; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland.<br /><searchLink fieldCode="AU" term="%22Chrusciel+A%22">Chrusciel A</searchLink>; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland.<br /><searchLink fieldCode="AU" term="%22Szelachowska+J%22">Szelachowska J</searchLink>; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland.; Department of Oncology, Faculty of Medicine, Wroclaw Medical University, 1 Ludwik Pasteur Embankment, Wroclaw, 53-367, Poland.<br /><searchLink fieldCode="AU" term="%22Blomka+D%22">Blomka D</searchLink>; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland.<br /><searchLink fieldCode="AU" term="%22Lawicka+P%22">Lawicka P</searchLink>; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland.<br /><searchLink fieldCode="AU" term="%22Czykalko+E%22">Czykalko E</searchLink>; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland.<br /><searchLink fieldCode="AU" term="%22Pietron+A%22">Pietron A</searchLink>; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland.<br /><searchLink fieldCode="AU" term="%22Ekiert+M%22">Ekiert M</searchLink>; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland.; Department of Oncology, Faculty of Medicine, Wroclaw Medical University, 1 Ludwik Pasteur Embankment, Wroclaw, 53-367, Poland.<br /><searchLink fieldCode="AU" term="%22Doraczynska-Kowalik+A%22">Doraczynska-Kowalik A</searchLink>; Department of Genetics, Faculty of Medicine, Wroclaw Medical University, Marcinkowskiego 1, Wroclaw, 50-368, Poland.<br /><searchLink fieldCode="AU" term="%22Janus-Szymanska+G%22">Janus-Szymanska G</searchLink>; Faculty of Medicine, Wroclaw University of Science and Technology, Grunwaldzki Sq. 11, Wroclaw, 50-377, Poland.<br /><searchLink fieldCode="AU" term="%22Kasprzak+P%22">Kasprzak P</searchLink>; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland.<br /><searchLink fieldCode="AU" term="%22Szynglarewicz+B%22">Szynglarewicz B</searchLink>; Lower Silesian Center of Oncology, Pulmonology and Hematology, Hirszfeld 12 Sq, Wroclaw, 53-413, Poland.; Department of Oncology, Faculty of Medicine, Wroclaw Medical University, 1 Ludwik Pasteur Embankment, Wroclaw, 53-367, Poland.<br /><searchLink fieldCode="AU" term="%22Laczmanska+I%22">Laczmanska I</searchLink>; Department of Clinical and Experimental Pathology, Faculty of Medicine, Wroclaw Medical University, Borowska 213, Wroclaw, 50-556, Poland.
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