The Role of Fibroblast Activation Protein in Glioblastoma and Gliosarcoma: A Comparison of Tissue, ⁶⁸Ga-FAPI-46 PET Data, and Survival Data

1Department of Neurology and Center for Translational Neuro- and Behavioral Sciences (C-TNBS), Division of Clinical Neurooncology, University Medicine Essen, University Duisburg–Essen, Essen, Germany;

2German Cancer Consortium (DKTK), Partner Site Essen–Düsseldorf, Partnership Between DKFZ and University Hospital Essen, Essen, Germany; and DKFZ–Division of Translational Neurooncology at West German Cancer Center (WTZ), University Medicine Essen, University Duisburg–Essen, Essen, Germany;

3Department of Nuclear Medicine, University of Duisburg–Essen, and German Cancer Consortium (DKTK)–University Hospital Essen, Essen, Germany; and National Center for Tumor Diseases (NCT), NCT West, Essen, Germany;

4Institute of Neuropathology, University Medicine Essen, University Duisburg-Essen, Essen, Germany;

4Institute of Neuropathology, University Medicine Essen, University Duisburg-Essen, Essen, Germany;

3Department of Nuclear Medicine, University of Duisburg–Essen, and German Cancer Consortium (DKTK)–University Hospital Essen, Essen, Germany; and National Center for Tumor Diseases (NCT), NCT West, Essen, Germany;

3Department of Nuclear Medicine, University of Duisburg–Essen, and German Cancer Consortium (DKTK)–University Hospital Essen, Essen, Germany; and National Center for Tumor Diseases (NCT), NCT West, Essen, Germany;

3Department of Nuclear Medicine, University of Duisburg–Essen, and German Cancer Consortium (DKTK)–University Hospital Essen, Essen, Germany; and National Center for Tumor Diseases (NCT), NCT West, Essen, Germany;

1Department of Neurology and Center for Translational Neuro- and Behavioral Sciences (C-TNBS), Division of Clinical Neurooncology, University Medicine Essen, University Duisburg–Essen, Essen, Germany;

1Department of Neurology and Center for Translational Neuro- and Behavioral Sciences (C-TNBS), Division of Clinical Neurooncology, University Medicine Essen, University Duisburg–Essen, Essen, Germany;

1Department of Neurology and Center for Translational Neuro- and Behavioral Sciences (C-TNBS), Division of Clinical Neurooncology, University Medicine Essen, University Duisburg–Essen, Essen, Germany;

5Department of Neurosurgery and Spine Surgery, Center for Translational Neuro- and Behavioral Sciences (C-TNBS), University Medicine Essen, University Duisburg–Essen, Essen, Germany;

6Department of Neurosurgery and Spine Surgery, St. Marienhospital Lünen, Lünen, Germany;

7Institute of Pathology, University Medicine Essen, University Duisburg-Essen, Essen, Germany;

8Discovery Life Sciences Biomarker Services GmbH, Kassel, Germany;

5Department of Neurosurgery and Spine Surgery, Center for Translational Neuro- and Behavioral Sciences (C-TNBS), University Medicine Essen, University Duisburg–Essen, Essen, Germany;

5Department of Neurosurgery and Spine Surgery, Center for Translational Neuro- and Behavioral Sciences (C-TNBS), University Medicine Essen, University Duisburg–Essen, Essen, Germany;

1Department of Neurology and Center for Translational Neuro- and Behavioral Sciences (C-TNBS), Division of Clinical Neurooncology, University Medicine Essen, University Duisburg–Essen, Essen, Germany;

9Department of Radiotherapy, University Medicine Essen, University Duisburg-Essen, Essen, Germany;

9Department of Radiotherapy, University Medicine Essen, University Duisburg-Essen, Essen, Germany;

10Institute for Diagnostic and Interventional Radiology and Neuroradiology, University Medicine Essen, University of Duisburg-Essen, Essen, Germany;

2German Cancer Consortium (DKTK), Partner Site Essen–Düsseldorf, Partnership Between DKFZ and University Hospital Essen, Essen, Germany; and DKFZ–Division of Translational Neurooncology at West German Cancer Center (WTZ), University Medicine Essen, University Duisburg–Essen, Essen, Germany;

11German Cancer Research Center (DKFZ), Heidelberg, Germany; and

3Department of Nuclear Medicine, University of Duisburg–Essen, and German Cancer Consortium (DKTK)–University Hospital Essen, Essen, Germany; and National Center for Tumor Diseases (NCT), NCT West, Essen, Germany;

12National Center for Tumor Diseases (NCT), NCT West, Heidelberg, Germany

1Department of Neurology and Center for Translational Neuro- and Behavioral Sciences (C-TNBS), Division of Clinical Neurooncology, University Medicine Essen, University Duisburg–Essen, Essen, Germany;

2German Cancer Consortium (DKTK), Partner Site Essen–Düsseldorf, Partnership Between DKFZ and University Hospital Essen, Essen, Germany; and DKFZ–Division of Translational Neurooncology at West German Cancer Center (WTZ), University Medicine Essen, University Duisburg–Essen, Essen, Germany;

1Department of Neurology and Center for Translational Neuro- and Behavioral Sciences (C-TNBS), Division of Clinical Neurooncology, University Medicine Essen, University Duisburg–Essen, Essen, Germany;

2German Cancer Consortium (DKTK), Partner Site Essen–Düsseldorf, Partnership Between DKFZ and University Hospital Essen, Essen, Germany; and DKFZ–Division of Translational Neurooncology at West German Cancer Center (WTZ), University Medicine Essen, University Duisburg–Essen, Essen, Germany;