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  • 100 years of Insulin and Glucagon x
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Wenzel M Hackeng Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands

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Lodewijk A A Brosens Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands

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Koen M A Dreijerink Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
Department of Endocrinology, Amsterdam University Medical Centers, VU University Medical Center, Amsterdam, The Netherlands

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, have not been studied for insulinoma. Several immunohistochemical markers may be of use in separating indolent from aggressive insulinomas. Diffuse cytoplasmic insulin expression is seen in 90–100% of indolent insulinomas ( Roth et al. 1992

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Bence Sipos Department of Medical Oncology and Pneumology (Internal Medicine VIII), University Hospital Tubingen, Tübingen, Germany
ENETS Center of Excellence, University Hospital Tübingen, Tübingen, Germany

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Günter Klöppel Department of Pathology, Technical University Munich, Munich, Germany

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potential. Glucagon serum level may serve as tumor marker for monitoring patients during surveillance. Some anecdotal GCHN cases with liver metastasis are known in the scientific community, but none of these cases has been published so far ( Yu 2018

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Francesca Marini Fondazione FIRMO Onlus, Italian Foundation for the Research on Bone Diseases, Florence, Italy

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Francesca Giusti Donatello Bone Clinic, Villa Donatello Hospital, Sesto Fiorentino, Italy

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Maria Luisa Brandi Fondazione FIRMO Onlus, Italian Foundation for the Research on Bone Diseases, Florence, Italy
Donatello Bone Clinic, Villa Donatello Hospital, Sesto Fiorentino, Italy

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-fold higher than wild-type littermates, expressing embryonic markers ( Vuguin & Charron 2011 ). The presence of pancreatic tumors in GCHN is usually associated with abdominal pain and discomfort but not with the glucagonoma syndrome, since glucagon

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Christine Sempoux Institute of Pathology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland

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Günter Klöppel Department of Pathology, Technical University Munich, Munich, Germany

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the ducts. These nesidioblastotic features can be seen in the adult pancreas and are even more pronounced in the neonate pancreas. They usually need immunostaining for pancreatic hormones or neuroendocrine markers to be clearly identified ( Fig. 1F

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Krystallenia I Alexandraki Department of Surgery, Medical School, National and Kapodistrian University of Athens, Athens, Greece

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Gregory A Kaltsas Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece

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Simona Grozinsky-Glasberg Department of Endocrinology and Metabolism, Neuroendocrine Tumor Unit, ENETS Center of Excellence, Hadassah Medical Organization and Faculty of Medicine, the Hebrew University, Jerusalem, Israel

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), second-generation SSAs (pasireotide), molecular-targeted therapies (MTT) (mTOR inhibitors (mTORi; everolimus)), or tyrosine kinase inhibitors (TKI; sunitinib) have been used. A further systemic targeted therapy is peptide receptor radionuclide therapy

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