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  1. Article

    Open Access

    Proficiency testing of PIK3CA mutations in HR+/HER2-breast cancer on liquid biopsy and tissue

    Precision oncology based on specific molecular alterations requires precise and reliable detection of therapeutic targets in order to initiate the optimal treatment. In many European countries—including German...

    Claudia Vollbrecht, Inga Hoffmann, Annika Lehmann in Virchows Archiv (2023)

  2. Article

    Open Access

    DNA methylation-based classification of sinonasal tumors

    The diagnosis of sinonasal tumors is challenging due to a heterogeneous spectrum of various differential diagnoses as well as poorly defined, disputed entities such as sinonasal undifferentiated carcinomas (SN...

    Philipp Jurmeister, Stefanie Glöß, Renée Roller in Nature Communications (2022)

  3. Article

    Open Access

    Status quo of ALK testing in lung cancer: results of an EQA scheme based on in-situ hybridization, immunohistochemistry, and RNA/DNA sequencing

    With this external quality assessment (EQA) scheme, we aim to investigate the diagnostic performance of the currently available methods for the detection of ALK alterations in non-small cell lung cancer on a n...

    Philipp Jurmeister, Claudia Vollbrecht, Korinna Jöhrens, Daniela Aust in Virchows Archiv (2021)

  4. Article

    Open Access

    RNA-based analysis of ALK fusions in non-small cell lung cancer cases showing IHC/FISH discordance

    Rearrangements of the anaplastic lymphoma kinase (ALK) belong to the promising targets in the therapy of advanced non-small cell lung cancer (NSCLC) and are predominantly detected by immunohistochemistry (IHC)...

    Claudia Vollbrecht, Dido Lenze, Michael Hummel, Annika Lehmann, Markus Moebs in BMC Cancer (2018)

  5. No Access

    Article

    EGFR T790M mutation testing of non-small cell lung cancer tissue and blood samples artificially spiked with circulating cell-free tumor DNA: results of a round robin trial

    The European Commision (EC) recently approved osimertinib for the treatment of adult patients with locally advanced or metastatic non-small-cell lung cancer (NSCLC) harboring EGFR T790M mutations. Besides tissue-...

    Jana Fassunke, Michaela Angelika Ihle, Dido Lenze, Annika Lehmann in Virchows Archiv (2017)

  6. Article

    Open Access

    Mutational analysis of pulmonary tumours with neuroendocrine features using targeted massive parallel sequencing: a comparison of a neglected tumour group

    Lung cancer is the leading cause of cancer-related deaths worldwide. The typical and atypical carcinoid (TC and AC), the large-cell neuroendocrine carcinoma (LCNEC) and the small-cell lung cancers (SCLC) are s...

    Claudia Vollbrecht, Robert Werner, Robert Fred Henry Walter in British Journal of Cancer (2015)