Breast Cancer

Abstract CT074: Pre-existing ESR1 mutations in early-stage primary breast cancer predict failure of endocrine therapy and poor survival
Background
More than three-quarters of primary breast cancers are positive for estrogen receptor alpha (ER; encoded by the gene ESR1), …
Malin Dahlgren, Anthony M. George, Christian Brueffer, Sergii Gladchuk, Yilun Chen, Johan Vallon-Christersson, Cecilia Hegardt, Jari Häkkinen, Lisa Rydén, Martin Malmberg, Christer Larsson, Sofia K. Gruvberger-Saal, Anna Ehinger, Niklas Loman, Åke Borg, Lao H. Saal
DOI
Abstract CT074: Pre-existing ESR1 mutations in early-stage primary breast cancer predict failure of endocrine therapy and poor survival
Defining the mutational landscape of 3,217 primary breast cancer transcriptomes through large-scale RNA-seq within the Sweden Cancerome Analysis Network: Breast Project (SCAN-B; NCT03430492)
Background
Breast cancer is a disease of genomic alterations, of which the complete panorama of somatic mutations and how these relate …
Christian Brueffer, Sergii Gladchuk, Christof Winter, Johan Vallon-Christersson, Cecilia Hegardt, Jari Häkkinen, Anthony M George, Yilun Chen, Anna Ehinger, Christer Larsson, Niklas Loman, Martin Malmberg, Lisa Rydén, Åke Borg, Lao H. Saal
DOI
Defining the mutational landscape of 3,217 primary breast cancer transcriptomes through large-scale RNA-seq within the Sweden Cancerome Analysis Network: Breast Project (SCAN-B; NCT03430492)
Detection of circulating tumor cells and circulating tumor DNA before and after mammographic breast compression in a cohort of breast cancer patients scheduled for neoadjuvant treatment
Purpose
It is not known if mammographic breast compression of a primary tumor causes shedding of tumor cells into the circulatory …
Daniel Förnvik, Kristina E. Aaltonen, Yilun Chen, Anthony M. George, Christian Brueffer, Robert Rigo, Niklas Loman, Lao H. Saal, Lisa Rydén
DOI PDF
Detection of circulating tumor cells and circulating tumor DNA before and after mammographic breast compression in a cohort of breast cancer patients scheduled for neoadjuvant treatment
Clinical Value of RNA Sequencing-Based Classifiers for Prediction of the Five Conventional Breast Cancer Biomarkers: A Report From the Population-Based Multicenter Sweden Cancerome Analysis Network–Breast Initiative
Purpose
In early breast cancer (BC), five conventional biomarkers—estrogen receptor (ER), progesterone receptor (PgR), human epidermal …
Christian Brueffer, Johan Vallon-Christersson, Dorthe Grabau, Anna Ehinger, Jari Häkkinen, Cecilia Hegardt, Janne Malina, Yilun Chen, Pär-Ola Bendahl, Jonas Manjer, Martin Malmberg, Christer Larsson, Niklas Loman, Lisa Rydén, Åke Borg, Lao H. Saal
DOI PDF Dataset
Clinical Value of RNA Sequencing-Based Classifiers for Prediction of the Five Conventional Breast Cancer Biomarkers: A Report From the Population-Based Multicenter Sweden Cancerome Analysis Network–Breast Initiative
Abstract P2-02-09: Breast cancer subtype distribution and circulating tumor DNA in response to neoadjuvant chemotherapy: Experiences from a preoperative cohort within SCAN-B
Introduction
Preoperative chemotherapy in early breast cancer increases the rate of breast preservation and provides prognostic …
Niklas Loman, Yilun Chen, Kristina Aaltonen, Christian Brueffer, Anthony M. George, Lina Zander, Johan Vallon-Christersson, Jari Häkkinen, Daniel Förnvik, Robert Rigo, Anna Ehinger, Martin Malmberg, Christer Larsson, Cecilia Hegardt, Åke Borg, Lisa Rydén, Lao H. Saal
DOI
Abstract P2-02-09: Breast cancer subtype distribution and circulating tumor DNA in response to neoadjuvant chemotherapy: Experiences from a preoperative cohort within SCAN-B
Abstract P4-09-03: On the development and clinical value of RNA-sequencing-based classifiers for prediction of the five conventional breast cancer biomarkers: A report from the population-based multicenter SCAN-B study
Background
In early breast cancer, five histopathological biomarkers are part of current clinical routines and used for determining …
Christian Brueffer, Johan Vallon-Christersson, Dorthe Grabau, Anna Ehinger, Jari Häkkinen, Cecilia Hegardt, Janne Malina, Yilun Chen, Pär-Ola Bendahl, Jonas Manjer, Martin Malmberg, Christer Larsson, Niklas Loman, Lisa Rydén, Åke Borg, Lao H. Saal
DOI
Abstract P4-09-03: On the development and clinical value of RNA-sequencing-based classifiers for prediction of the five conventional breast cancer biomarkers: A report from the population-based multicenter SCAN-B study
Remarkable similarities of chromosomal rearrangements between primary human breast cancers and matched distant metastases as revealed by whole-genome sequencing
To better understand and characterize chromosomal structural variation during breast cancer progression, we enumerated chromosomal …
Man-Hung Eric Tang, Malin Dahlgren, Christian Brueffer, Tamara Tjitrowirjo, Christof Winter, Yilun Chen, Eleonor Olsson, Kun Wang, Therese Törngren, Martin Sjöström, Dorthe Grabau, Pär-Ola Bendahl, Lisa Rydén, Emma Niméus, Lao H. Saal, Åke Borg, Sofia K. Gruvberger-Saal
DOI PDF
Remarkable similarities of chromosomal rearrangements between primary human breast cancers and matched distant metastases as revealed by whole-genome sequencing
Contralateral breast cancer can represent a metastatic spread of the first primary tumor: determination of clonal relationship between contralateral breast cancers using next-generation whole genome sequencing
Introduction
By convention, a contralateral breast cancer (CBC) is treated as a new primary tumor, independent of the first cancer …
Sara Alkner, Man-Hung Eric Tang, Christian Brueffer, Malin Dahlgren, Yilun Chen, Eleonor Olsson, Christof Winter, Sara Baker, Anna Ehinger, Lisa Rydén, Lao H. Saal, Mårten Fernö, Sofia K. Gruvberger-Saal
DOI PDF
Contralateral breast cancer can represent a metastatic spread of the first primary tumor: determination of clonal relationship between contralateral breast cancers using next-generation whole genome sequencing
Abstract 4805: Whole genome sequencing of primary breast cancers and matched distant metastases
Metastatic disease is the main cause of death for breast cancer patients, but it is still unclear whether primary tumor characteristics …
Man-Hung Eric Tang, Malin Dahlgren, Christian Brueffer, Christof Winter, Yilun Chen, Eleonor Olsson, Martin Sjöström, Pär-Ola Bendahl, Emma Niméus-Malmström, Lao H. Saal, Åke Borg, Sofia K. Gruvberger-Saal
DOI
Abstract 4805: Whole genome sequencing of primary breast cancers and matched distant metastases
The Sweden Cancerome Analysis Network-Breast (SCAN-B) Initiative: a large-scale multicenter infrastructure towards implementation of breast cancer genomic analyses in the clinical routine
Breast cancer exhibits significant molecular, pathological, and clinical heterogeneity. Current clinicopathological evaluation is …
Lao H. Saal, Johan Vallon-Christersson, Jari Häkkinen, Cecilia Hegardt, Dorthe Grabau, Christof Winter, Christian Brueffer, Man-Hung Eric Tang, Christel Reuterswärd, Ralph Schulz, Anna Karlsson, Anna Ehinger, Janne Malina, Jonas Manjer, Martin Malmberg, Christer Larsson, Lisa Rydén, Niklas Loman, Åke Borg
DOI PDF Dataset
The Sweden Cancerome Analysis Network-Breast (SCAN-B) Initiative: a large-scale multicenter infrastructure towards implementation of breast cancer genomic analyses in the clinical routine