A

Advancing CNS tumor diagnostics with expanded DNA methylation-based classification

medRxiv

Abstract

Abstract DNA methylation-based classification is integral to contemporary neuro-oncological diagnostics, as highlighted by the current World Health Organization (WHO) classification of central nervous system (CNS) tumors. We introduce the Heidelberg CNS Tumor Methylation Classifier version 12.8 (v12.8), trained using 7,495 methylation profiles, thereby expanding recognized tumor types from 91 classes in the previously published v11 1 to 184 subclasses in v12.8. This expansion was primarily driven by novel tumor types discovered in our large website-derived repository and through global collaborations, further elucidating the heterogeneity of CNS tumors. Utilizing a random forest-based methodology, the classifier was rigorously validated through five-fold nested cross-validation, achieving a 95% subclass-level accuracy and a Brier score of 0.028, indicative of well-calibrated probability estimates. The hierarchical output structure facilitates comprehensive interpretation, allowing clinicians to assess subclass and aggregate class-level probabilities for informed decision-making. Comparative analyses demonstrate that v12.8 surpasses previous versions as well as traditional WHO-based diagnostics across diverse tumor cohorts. These advancements underscore the enhanced precision and practical utility of the updated Heidelberg CNS Tumor Methylation Classifier, reinforcing the pivotal role of DNA methylation profiling in personalized neuro-oncological care.

Authors 98

  1. Martin Sill corresponding

    German Cancer Research Center · Hopp Children's Cancer Center Heidelberg · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany; Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany;

    Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany

  2. German Cancer Research Center · Heidelberg University · University Hospital Heidelberg · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany;

    Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany

  3. German Cancer Research Center · University Hospital Heidelberg · Hopp Children's Cancer Center Heidelberg · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany; Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK),;

    Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany

  4. German Cancer Research Center · Hopp Children's Cancer Center Heidelberg

    Affiliation as printed

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany; Division of Pediatric Glioma Research, German Cancer Research Center (DKFZ), Heidelberg, Germany;

    Division of Pediatric Glioma Research, German Cancer Research Center (DKFZ), Heidelberg, Germany

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany

  5. German Cancer Research Center · Hopp Children's Cancer Center Heidelberg · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Division of Pediatric Neurooncology , German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK) , Heidelberg , Germany

    Hopp Children's Cancer Center Heidelberg (KiTZ) , Heidelberg , Germany

    Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany

  6. German Cancer Research Center · Heidelberg University · University Hospital Heidelberg · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany;

    Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany

  7. Goethe University Frankfurt · German Cancer Research Center · University Hospital Frankfurt · Frankfurt Cancer Institute · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Institute of Neurology (Edinger Institute), University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany; German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz, German Cancer Research Center (DKFZ), Heidelberg, Germany; Frankfurt C;

    Frankfurt Cancer Institute (FCI), Frankfurt am Main, Germany

    German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz, German Cancer Research Center (DKFZ), Heidelberg, Germany

    Institute of Neurology (Edinger Institute), University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany

  8. German Cancer Research Center · Heidelberg University · University Hospital Heidelberg · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany;

    Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany

  9. German Cancer Research Center · Heidelberg University · University Hospital Heidelberg · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany;

    Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany

  10. German Cancer Research Center · Heidelberg University · University Hospital Heidelberg · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany;

    Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany

  11. German Cancer Research Center · Heidelberg University · University Hospital Heidelberg · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany;

    Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany

  12. German Cancer Research Center · Heidelberg University · University Hospital Heidelberg · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany;

    Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany

  13. Universität Hamburg · University Hospital Regensburg · University Medical Center Hamburg-Eppendorf · University Cancer Center Hamburg

    Affiliation as printed

    Department of Neuropathology, Regensburg University Hospital, Regensburg, Germany; Mildred Scheel Cancer Career Center HaTriCS4, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;

    Department of Neuropathology, Regensburg University Hospital, Regensburg, Germany

    Mildred Scheel Cancer Career Center HaTriCS4, University Medical Center Hamburg-Eppendorf, Hamburg, Germany

  14. Goethe University Frankfurt · University Hospital Frankfurt

    Affiliation as printed

    Translational Neuro-Oncology Group, Dr. Senckenbergisches Institute for Neurooncology and Institute of Neurology (Edinger Institute), University Hospital, Goethe University Frankfurt am Main, Germany;

    Translational Neuro-Oncology Group, Dr. Senckenbergisches Institute for Neurooncology and Institute of Neurology (Edinger Institute), University Hospital, Goethe University Frankfurt am Main, Germany

  15. Odense University Hospital

    Affiliation as printed

    Department of Pathology, Odense University Hospital, Odense, Denmark;

    Department of Pathology, Odense University Hospital, Odense, Denmark

  16. German Cancer Research Center · Institut für Neuropathologie · Ludwig-Maximilians-Universität München

    Affiliation as printed

    Bavarian Cancer Research Center (BZKF), Partner Site Munich, Munich, Germany; German Cancer Consortium (DKTK), Partner Site Munich, a partnership between DKFZ and University/University Hospital, LMU Munich, Munich, Germany; Center for Neuropathology and P;

    Bavarian Cancer Research Center (BZKF), Partner Site Munich, Munich, Germany

    Center for Neuropathology and Prion Research, Faculty of Medicine, LMU Munich, Munich, Germany

    German Cancer Consortium (DKTK), Partner Site Munich, a partnership between DKFZ and University/University Hospital, LMU Munich, Munich, Germany

  17. National Cancer Institute · Center for Cancer Research

    Affiliation as printed

    Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA;

    Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA

  18. Memorial Sloan Kettering Cancer Center

    Affiliation as printed

    Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York City, NY, USA;

    Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York City, NY, USA

  19. German Cancer Research Center · Humboldt-Universität zu Berlin · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Department of Neuropathology, Charite - Universitaetsmedizin Berlin, corporate member of Freie Universitaet Berlin and Humboldt-Universitaet zu Berlin, Berlin, Germany; German Cancer Consortium (DKTK), Partner Site Berlin, German Cancer Research Center (D;

    Department of Neuropathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    German Cancer Consortium (DKTK), Partner Site Berlin, German Cancer Research Center (DKFZ), Heidelberg, Germany

  20. University of Basel · University Hospital of Basel

    Affiliation as printed

    Department of Neuropathology, Institute of Pathology, Basel University Hospital, Basel, Switzerland;

    Department of Neuropathology, Institute of Pathology, Basel University Hospital, Basel, Switzerland

  21. University of Basel · University Hospital of Basel

    Affiliation as printed

    Department of Neuropathology, Institute of Pathology, Basel University Hospital, Basel, Switzerland;

    Department of Neuropathology, Institute of Pathology, Basel University Hospital, Basel, Switzerland

  22. University Hospital Münster

    Affiliation as printed

    Institute of Neuropathology, University Hospital Muenster, Muenster, Germany;

    Institute of Neuropathology, University Hospital Münster, Münster, Germany

  23. University Health Network · University of Toronto · Princess Margaret Cancer Centre

    Affiliation as printed

    Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada; MacFeeters Hamilton Neuro-Oncology Program, Princess Margaret Cancer Centre, University Health Network and University of Toronto, Toronto, Ontario, Canada;

    MacFeeters Hamilton Neuro-Oncology Program, Princess Margaret Cancer Centre, University Health Network and University of Toronto, Toronto, Ontario, Canada

    Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada

  24. Karolinska Institutet

    Affiliation as printed

    Department of Oncology-Pathology, Karolinska Institute, Stockholm, Sweden;

    Department of Oncology-Pathology, Karolinska Institute, Stockholm, Sweden

  25. NYU Langone Health · New York University

    Affiliation as printed

    Department of Pathology NYU Langone Health and NYU Grossman School of Medicine, New York, USA;

    Department of Pathology NYU Langone Health and NYU Grossman School of Medicine, New York, USA

  26. German Cancer Research Center · Heidelberg University · University Hospital Heidelberg · Hopp Children's Cancer Center Heidelberg · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany; KiTZ Clinical Trial Unit, Department of Pediatric Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany; Clinical Cooperation Unit Pediatric Oncology, German Canc;

    Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Cancer Research (DKTK), Heidelberg, Germany

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany

    KiTZ Clinical Trial Unit, Department of Pediatric Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany

  27. German Cancer Research Center · University Hospital Heidelberg · Hopp Children's Cancer Center Heidelberg · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany; Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Cancer Research (DKTK), Heidelberg, Germany; Department of Ped;

    Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Cancer Research (DKTK), Heidelberg, Germany

    Department of Pediatric Oncology, Hematology, Immunology and Pulmonology, University Hospital Heidelberg, Heidelberg, Germany

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany

  28. Hospital for Sick Children

    Affiliation as printed

    The Arthur and Sonia Labatt Brain Tumor Research Center, The Hospital for Sick Children, Toronto, Ontario, Canada; Developmental and Stem Cell Biology Program, The Hospital for Sick Children, Toronto, Ontario, Canada;

    The Arthur and Sonia Labatt Brain Tumor Research Center, The Hospital for Sick Children, Toronto, Ontario, Canada

  29. Inserm · Université Paris Sciences et Lettres · Centre de Bio-Informatique · École Nationale Supérieure des Mines de Paris · Institut Curie

    Affiliation as printed

    Institut Curie, PSL Research University, Paris, France; Inserm, U900, Paris, France; MINES ParisTech, CBIO, Centre for Computational Biology, PSL Research University, 75006, Paris, France;

    Inserm, U900, Paris, France

    Institut Curie, PSL Research University, Paris, France

    MINES ParisTech, CBIO, Centre for Computational Biology, PSL Research University, 75006, Paris, France

  30. Medical University of Vienna

    Affiliation as printed

    Division of Oncology, Department of Medicine I, Medical University of Vienna, Vienna, Austria;

    Division of Oncology, Department of Medicine I, Medical University of Vienna, Vienna, Austria

  31. University of Augsburg

    Affiliation as printed

    Department of Diagnostic and Interventional Neuroradiology, Faculty of Medicine, University of Augsburg, Augsburg, Germany;

    Department of Diagnostic and Interventional Neuroradiology, Faculty of Medicine, University of Augsburg, Augsburg, Germany

  32. German Cancer Research Center · University Hospital Heidelberg · National Center for Tumor Diseases · Hopp Children's Cancer Center Heidelberg

    Affiliation as printed

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany; Division of Pediatric Glioma Research, German Cancer Research Center (DKFZ), Heidelberg, Germany; National Center for Tumor Diseases (NCT), NCT Heidelberg, a partnership between DKFZ an;

    Division of Pediatric Glioma Research, German Cancer Research Center (DKFZ), Heidelberg, Germany

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany

    National Center for Tumor Diseases (NCT), NCT Heidelberg, a partnership between DKFZ and Heidelberg University Hospital, Germany

  33. German Cancer Research Center · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Omics IT and Data Management Core Facility, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany;

    Omics IT and Data Management Core Facility, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany

  34. Sozialstiftung Bamberg

    Affiliation as printed

    Institute of Pathology, Sozialstiftung Bamberg, Klinikum am Bruderwald, Bamberg, Germany;

    Institute of Pathology, Sozialstiftung Bamberg, Klinikum am Bruderwald, Bamberg, Germany

  35. University of Bonn · University Hospital Bonn

    Affiliation as printed

    Department of Pediatric Hematology and Oncology, University Hospital Bonn, Bonn, Germany;

    Department of Pediatric Hematology and Oncology, University Hospital Bonn, Bonn, Germany

  36. Heidelberg University · University Hospital Heidelberg

    Affiliation as printed

    Institute of Human Genetics, Heidelberg University Hospital, Heidelberg, Germany;

    Institute of Human Genetics, Heidelberg University Hospital, Heidelberg, Germany

  37. Justus-Liebig-Universität Gießen

    Affiliation as printed

    Institute of Neuropathology, University of Giessen, Giessen, Germany;

    Institute of Neuropathology, University of Giessen, Giessen, Germany

  38. German Cancer Research Center · Humboldt-Universität zu Berlin · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Department of Neuropathology, Charite - Universitaetsmedizin Berlin, corporate member of Freie Universitaet Berlin and Humboldt-Universitaet zu Berlin, Berlin, Germany; German Cancer Consortium (DKTK), Partner Site Berlin, German Cancer Research Center (D;

    Department of Neuropathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    German Cancer Consortium (DKTK), Partner Site Berlin, German Cancer Research Center (DKFZ), Heidelberg, Germany

  39. Essen University Hospital

    Affiliation as printed

    Pediatrics III, University Hospital Essen, Essen, Germany;

    Pediatrics III, University Hospital Essen, Essen, Germany

  40. St. Jude Children's Research Hospital

    Affiliation as printed

    Division of Neuro Oncology, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN, USA;

    Division of Neuro Oncology, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN, USA

  41. University Children's Hospital Zurich

    Affiliation as printed

    Department of Oncology, University Children's Hospital, Zurich, Switzerland;

    Department of Oncology, University Children's Hospital, Zurich, Switzerland

  42. Università Cattolica del Sacro Cuore

    Affiliation as printed

    Department of Life Sciences and Public Health, Universita Cattolica Sacro Cuore, Rome, Italy;

    Department of Life Sciences and Public Health, Università Cattolica Sacro Cuore, Rome, Italy

  43. University Hospital Bonn

    Affiliation as printed

    Department of Neuropathology, University Hospital Bonn, Bonn, Germany;

    Department of Neuropathology, University Hospital Bonn, Bonn, Germany

  44. University of Augsburg

    Affiliation as printed

    Swabian Children's Cancer Center, Pediatric and Adolescent Medicine, Faculty of Medicine, University of Augsburg, Augsburg, Germany;

    Swabian Children's Cancer Center, Pediatric and Adolescent Medicine, Faculty of Medicine, University of Augsburg, Augsburg, Germany

  45. The Kids Research Institute Australia · The University of Western Australia · Princess Margaret Hospital for Children · Perth Children's Hospital

    Affiliation as printed

    Department of Pediatric and Adolescent Oncology/Haematology, Perth Children's Hospital, Nedlands, WA, Australia; Centre for Child Health Research, University of Western Australia, Nedlands, WA, Australia; Brain Tumour Research Program, Telethon Kids Insti;

    Brain Tumour Research Program, Telethon Kids Institute, Nedlands, WA, Australia

    Centre for Child Health Research, University of Western Australia, Nedlands, WA, Australia

    Department of Pediatric and Adolescent Oncology/Haematology, Perth Children's Hospital, Nedlands, WA, Australia

  46. Medical University of Vienna

    Affiliation as printed

    Division of Neuropathology and Neurochemistry, Department of Neurology, Medical University of Vienna, Vienna, Austria;

    Division of Neuropathology and Neurochemistry, Department of Neurology, Medical University of Vienna, Vienna, Austria

  47. German Cancer Research Center · Heidelberg University · University Hospital Heidelberg · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany;

    Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany

  48. Dietrich Bonhoeffer Klinikum

    Affiliation as printed

    Department of Neuropathology, Institute for Clinical Pathology, Dietrich-Bonhoeffer-Klinikum, Neubrandenburg, Germany;

    Department of Neuropathology, Institute for Clinical Pathology, Dietrich-Bonhoeffer-Klinikum, Neubrandenburg, Germany

  49. Women's and Children's Hospital · South Australian Health and Medical Research Institute · The University of Adelaide

    Affiliation as printed

    Michael Rice Centre for Hematology and Oncology, Women's and Children's Hospital; South Australia Health and Medical Research Institute; South Australia Immunogenomics Cancer Institute, University of Adelaide, Adelaide, SA, Australia;

    Michael Rice Centre for Hematology and Oncology, Women's and Children's Hospital

    South Australia Health and Medical Research Institute

    South Australia Immunogenomics Cancer Institute, University of Adelaide, Adelaide, SA, Australia

  50. Medizinische Hochschule Hannover

    Affiliation as printed

    Department of Neuropathology, Institute of Pathology, Hannover Medical School, Hannover, Germany;

    Department of Neuropathology, Institute of Pathology, Hannover Medical School, Hannover, Germany

  51. German Center for Neurodegenerative Diseases · Humboldt-Universität zu Berlin · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Department of Neuropathology, Charite - Universitaetsmedizin Berlin, corporate member of Freie Universitaet Berlin and Humboldt-Universitaet zu Berlin, Berlin, Germany; German Center for Neurodegenerative Diseases (DZNE), Berlin, Germany;

    Department of Neuropathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    German Center for Neurodegenerative Diseases (DZNE), Berlin, Germany

  52. Humboldt-Universität zu Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charite-Universitaetsmedizin Berlin, Corporate member of Freie Universitaet Berlin and Humboldt-Universitaet Berlin, German HIT-LOGGIC-Registry for Children and Adolescents with Low-Grade Glioma, Department of Pediatric Oncology and Hematology, Berlin, Ge;

    Charité-Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin and Humboldt-Universität Berlin, German HIT-LOGGIC-Registry for Children and Adolescents with Low-Grade Glioma, Department of Pediatric Oncology and Hematology, Berlin, Germany

  53. Aarhus University Hospital · Humboldt-Universität zu Berlin · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Department of Pediatric Oncology and Hematology, Charite -Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, and Berlin Institute of Health, Berlin, Germany; Department of Pediatric and Adolescent;

    Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany

    Department of Pediatric and Adolescent Medicine, Aarhus University Hospital, Aarhus, Denmark

  54. Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Pediatric Neurosurgery, Charite-Universitaetsmedizin Berlin, Campus Virchow Klinikum, Berlin, Germany;

    Pediatric Neurosurgery, Charité-Universitätsmedizin Berlin, Campus Virchow Klinikum, Berlin, Germany

  55. Essen University Hospital

    Affiliation as printed

    Pediatrics III, University Hospital Essen, Essen, Germany;

    Pediatrics III, University Hospital Essen, Essen, Germany

  56. German Cancer Research Center · University Hospital Augsburg · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Department of Pediatric Oncology and Hematology , Charité-Universitätsmedizin Berlin , Corporate Member of Freie

    German Cancer Research Center (DKFZ) , Heidelberg , Germany

    Pediatrics and Adolescent Medicine, Swabian Children's Cancer Center, University Medical Center Augsburg and Bavarian Cancer Research Center / KIONET Bavaria

  57. Universitätsmedizin Göttingen · University of Göttingen

    Affiliation as printed

    Division of Pediatric Hematology and Oncology, University Medical Center Goettingen, Goettingen, Germany;

    Division of Pediatric Hematology and Oncology, University Medical Center Göttingen, Göttingen, Germany

  58. German Cancer Research Center · University Medical Center Hamburg-Eppendorf · Kinderkrebs-Zentrum Hamburg

    Affiliation as printed

    German Cancer Research Center (DKFZ) , Heidelberg , Germany

    Institute of Neuropathology and Department of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, Germany

    Research Institute Children's Cancer Center Hamburg, Germany

  59. University of Tübingen

    Affiliation as printed

    Institute of Neuropathology, Department of Pathology and Neuropathology, University Hospital Tuebingen, Eberhard Karls University Tuebingen, Tuebingen, Germany;

    Institute of Neuropathology, Department of Pathology and Neuropathology, University Hospital Tübingen, Eberhard Karls University Tübingen, Tübingen, Germany

  60. Universitätsklinikum Tübingen · University Children's Hospital Tübingen · University of Tübingen

    Affiliation as printed

    Section of Pediatric Neurosurgery, Department of Neurosurgery, University Hospital Tuebingen, Tuebingen, Germany;

    Section of Pediatric Neurosurgery, Department of Neurosurgery, University Hospital Tübingen, Tübingen, Germany

  61. Justus-Liebig-Universität Gießen

    Affiliation as printed

    Department of Neurosurgery, Justus-Liebig University, Giessen, Germany;

    Department of Neurosurgery, Justus-Liebig University, Giessen, Germany

  62. Essen University Hospital · University of Duisburg-Essen

    Affiliation as printed

    Pediatrics III, University Hospital Essen, Essen, Germany; Institute of Human Genetics, University Duisburg-Essen, Essen, Germany;

    Institute of Human Genetics, University Duisburg-Essen, Essen, Germany

    Pediatrics III, University Hospital Essen, Essen, Germany

  63. Memorial Sloan Kettering Cancer Center

    Affiliation as printed

    Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York City, NY, USA;

    Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York City, NY, USA

  64. Research Institute of the McGill University Health Centre · McGill University

    Affiliation as printed

    Department of Pediatrics, McGill University, and The Research Institute of the McGill University Health Centre, Montreal, Canada; Department of Human Genetics, McGill University, Montreal, Canada;

    Department of Human Genetics, McGill University, Montreal, Canada

    Department of Pediatrics, McGill University, and The Research Institute of the McGill University Health Centre, Montreal, Canada

  65. German Cancer Research Center · University Hospital Heidelberg · Hopp Children's Cancer Center Heidelberg

    Affiliation as printed

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany; Division of Pediatric Glioma Research, German Cancer Research Center (DKFZ), Heidelberg, Germany; Department of Pediatric Oncology, Hematology, Immunology and Pulmonology, University Ho;

    Department of Pediatric Oncology, Hematology, Immunology and Pulmonology, University Hospital Heidelberg, Heidelberg, Germany

    Division of Pediatric Glioma Research, German Cancer Research Center (DKFZ), Heidelberg, Germany

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany

  66. Institute of Cancer Research

    Affiliation as printed

    Division of Molecular Pathology, The Institute of Cancer Research (ICR), Sutton, Surrey, UK;

    Division of Molecular Pathology, The Institute of Cancer Research (ICR), Sutton, Surrey, UK

  67. Memorial Sloan Kettering Cancer Center

    Affiliation as printed

    Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, USA;

    Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, USA

  68. Saarland University

    Affiliation as printed

    Department of Neurosurgery, Saarland University, Medical School, Homburg, Germany;

    Department of Neurosurgery, Saarland University, Medical School, Homburg, Germany

  69. Katharinenhospital

    Affiliation as printed

    Department for Pathology, Katharinenhospital Stuttgart, Stuttgart, Germany;

    Department for Pathology, Katharinenhospital Stuttgart, Stuttgart, Germany

  70. University Medical Center Hamburg-Eppendorf

    Affiliation as printed

    Department of Pediatric Hematology Oncology, Universitaetsklinikum Hamburg-Eppendorf, Hamburg, Germany;

    Department of Pediatric Hematology/Oncology, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany

  71. German Cancer Research Center · Heidelberg University · University Hospital Heidelberg · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany; Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany;

    Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany

    Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany

  72. Pathologisches Institut · Ludwig-Maximilians-Universität München

    Affiliation as printed

    Institute of Pathology, LMU Munich, Munich, Germany;

    Institute of Pathology, LMU Munich, Munich, Germany

  73. University Medical Center Hamburg-Eppendorf

    Affiliation as printed

    Department of Neurosurgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;

    Department of Neurosurgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany

  74. German Cancer Research Center · University Hospital Heidelberg · National Center for Tumor Diseases · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    National Center for Tumor Diseases (NCT), NCT Heidelberg, a partnership between DKFZ and Heidelberg University Hospital, Germany; Division of Molecular Genetics, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany;

    Division of Molecular Genetics, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany

    National Center for Tumor Diseases (NCT), NCT Heidelberg, a partnership between DKFZ and Heidelberg University Hospital, Germany

  75. Leiden University Medical Center · Erasmus MC · Erasmus MC Cancer Institute

    Affiliation as printed

    Department of Pathology, Leiden University Medical Center, Leiden, Netherlands; Department of Pathology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands;

    Department of Pathology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands

    Department of Pathology, Leiden University Medical Center, Leiden, Netherlands

  76. Otto-von-Guericke-Universität Magdeburg

    Affiliation as printed

    Department of Neuropathology, Otto von Guericke University, Magdeburg, Germany;

    Department of Neuropathology, Otto von Guericke University, Magdeburg, Germany

  77. German Cancer Research Center · Hopp Children's Cancer Center Heidelberg · Jena University Hospital · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany; Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Cancer Research (DKTK), Heidelberg, Germany; Department of Ped;

    Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Cancer Research (DKTK), Heidelberg, Germany

    Department of Pediatrics, Jena University Hospital and Comprehensive Cancer Center Central Germany (CCCG), Jena, Germany

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany

  78. University of Luxembourg · Luxembourg Institute of Health · Laboratoire National de Santé · Luxembourg Centre for Systems Biomedicine

    Affiliation as printed

    Luxembourg National Center of Pathology (NCP), Laboratoire National de Sante (LNS); Department of Cancer Research (DOCR), Luxembourg Institute of Health (LIH); Luxembourg Centre of Neuropathology (LCNP), Luxembourg Centre for Systems Biomedicine (LCSB), F;

    Department of Cancer Research (DOCR), Luxembourg Institute of Health (LIH)

    Luxembourg Centre of Neuropathology (LCNP), Luxembourg Centre for Systems Biomedicine (LCSB), Faculty of Science, Technology and Medicine (FSTM) and Department of Life Sciences and Medicine (DLSM), University of Luxembourg, Esch-sur-Alzette, Luxembourg

    Luxembourg National Center of Pathology (NCP), Laboratoire National de Santé (LNS)

  79. University of Würzburg

    Affiliation as printed

    Institute of Pathology, Department of Neuropathology, University of Wuerzburg, Wuerzburg, Germany;

    Institute of Pathology, Department of Neuropathology, University of Würzburg, Würzburg, Germany

  80. Leipzig University

    Affiliation as printed

    Department of Neuropathology, University of Leipzig, Germany;

    Department of Neuropathology, University of Leipzig, Germany

  81. University Medical Center Hamburg-Eppendorf · University Cancer Center Hamburg

    Affiliation as printed

    Mildred Scheel Cancer Career Center HaTriCS4, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Department of Pediatric Hematology/Oncology, Universitaetsklinikum Hamburg-Eppendorf, Hamburg, Germany;

    Department of Pediatric Hematology/Oncology, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany

  82. St. Jude Children's Research Hospital

    Affiliation as printed

    Center of Excellence in Neuro-Oncology Sciences, St. Jude Children's Research Hospital, Memphis, TN, USA; Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, USA;

    Center of Excellence in Neuro-Oncology Sciences, St. Jude Children's Research Hospital, Memphis, TN, USA

  83. German Cancer Research Center · University Hospital Heidelberg · Hopp Children's Cancer Center Heidelberg · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany; Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany; Department of Pediatric Oncology, Hematology, Immunol;

    Department of Pediatric Oncology, Hematology, Immunology and Pulmonology, University Hospital Heidelberg, Heidelberg, Germany

    Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany

  84. University Hospital Münster

    Affiliation as printed

    Institute of Neuropathology, University Hospital Muenster, Muenster, Germany;

    Institute of Neuropathology, University Hospital Münster, Münster, Germany

  85. University of California, San Francisco

    Affiliation as printed

    Departments of Pathology and Neurological Surgery, UCSF, San Francisco, CA, USA;

    Departments of Pathology and Neurological Surgery, UCSF, San Francisco, CA, USA

  86. Friedrich-Alexander-Universität Erlangen-Nürnberg · Universitätsklinikum Erlangen

    Affiliation as printed

    Department of Neuropathology , Universitätsklinikum Erlangen , Friedrich-Alexander-Universität Erlangen-Nürnberg , Partner of the European Reference Network (ERN) EpiCARE , Erlangen , Germany

    Department of Neuropathology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Partner of the European Reference Network (ERN) EpiCARE, Erlangen, Germany

  87. Goethe University Frankfurt · German Cancer Research Center · University Hospital Frankfurt · Frankfurt Cancer Institute · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Institute of Neurology (Edinger Institute), University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany; German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz, German Cancer Research Center (DKFZ), Heidelberg, Germany; Frankfurt C;

    Frankfurt Cancer Institute (FCI), Frankfurt am Main, Germany

    German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz, German Cancer Research Center (DKFZ), Heidelberg, Germany

    Institute of Neurology (Edinger Institute), University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany

  88. German Cancer Research Center · University Hospital Heidelberg · National Center for Tumor Diseases · Helmholtz Institute Mainz · University Medical Centre Mannheim · Helmholtz Institute for Translational Oncology Mainz · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    National Center for Tumor Diseases (NCT), NCT Heidelberg, a partnership between DKFZ and Heidelberg University Hospital, Germany; Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ) and German C;

    Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany

    DKFZ Hector Cancer Institute at the University Medical Center Mannheim, Mannheim, Germany

    Helmholtz Institute for Translational Oncology Mainz (HI-TRON Mainz) - A Helmholtz Institute of the DKFZ, Mainz, Germany

    National Center for Tumor Diseases (NCT), NCT Heidelberg, a partnership between DKFZ and Heidelberg University Hospital, Germany

  89. Medical University of Vienna

    Affiliation as printed

    Division of Oncology, Department of Medicine I, Medical University of Vienna, Vienna, Austria;

    Division of Oncology, Department of Medicine I, Medical University of Vienna, Vienna, Austria

  90. University of Bonn · University Hospital Bonn

    Affiliation as printed

    Institute of Neuropathology, DGNN Brain Tumor Reference Center, University of Bonn Medical Center, Bonn, Germany;

    Institute of Neuropathology, DGNN Brain Tumor Reference Center, University of Bonn Medical Center, Bonn, Germany

  91. University of Freiburg

    Affiliation as printed

    Institute of Neuropathology, Faculty of Medicine, University of Freiburg, Freiburg, Germany.; Signalling Research Centres BIOSS and CIBSS, University of Freiburg, Freiburg, Germany.;

    Institute of Neuropathology, Faculty of Medicine, University of Freiburg, Freiburg, Germany

  92. Düsseldorf University Hospital · Deutsches Konsortium für Translationale Krebsforschung · Heinrich Heine University Düsseldorf

    Affiliation as printed

    Institute of Neuropathology, Medical Faculty, and University Hospital Duesseldorf, Heinrich Heine University, and German Cancer Consortium (DKTK), Partner Site Essen/Duesseldorf, Duesseldorf, Germany;

    Institute of Neuropathology, Medical Faculty, and University Hospital Düsseldorf, Heinrich Heine University, and German Cancer Consortium (DKTK), Partner Site Essen/Düsseldorf, Düsseldorf, Germany

  93. University of Copenhagen · Copenhagen University Hospital · Rigshospitalet

    Affiliation as printed

    Department of Clinical Medicine and Biotech Research and Innovation Center (BRIC), University of Copenhagen, Copenhagen, Denmark; Department of Pathology, The Bartholin Institute, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark;

    Department of Clinical Medicine and Biotech Research and Innovation Center (BRIC), University of Copenhagen, Copenhagen, Denmark

    Department of Pathology, The Bartholin Institute, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark

  94. German Cancer Research Center · University Hospital Heidelberg · National Center for Tumor Diseases · Hopp Children's Cancer Center Heidelberg · Princess Máxima Center · Deutsches Konsortium für Translationale Krebsforschung

    Affiliation as printed

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany; Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany; National Center for Tumor Diseases (NCT), NCT Heidelb;

    Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany

    Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany

    National Center for Tumor Diseases (NCT), NCT Heidelberg, a partnership between DKFZ and Heidelberg University Hospital, Germany

    Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands

  95. Broad Institute · Boston Children's Hospital · Dana-Farber Cancer Institute · Dana-Farber/Boston Children's Cancer and Blood Disorders Center · Massachusetts Institute of Technology

    Affiliation as printed

    Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA, USA; Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA;

    Broad Institute of MIT and Harvard, Cambridge, MA, USA

    Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA, USA

    Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA, USA

  96. St. Jude Children's Research Hospital

    Affiliation as printed

    Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA;

    Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA

  97. University of Manchester

    Affiliation as printed

    Geoffrey Jefferson Brain Research Centre, Division of Neuroscience, School of Biology, University of Manchester, Manchester, United Kingdom;

    Geoffrey Jefferson Brain Research Centre, Division of Neuroscience, School of Biology, University of Manchester, Manchester, United Kingdom

  98. Centre Hospitalier Sainte-Anne · GHU Paris psychiatrie & neurosciences

    Affiliation as printed

    Department of Neuropathology, GHU Paris Psychiatry and Neurosciences, Sainte-Anne Hospital, Paris, France;

    Department of Neuropathology, GHU Paris Psychiatry and Neurosciences, Sainte-Anne Hospital, Paris, France

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References 48