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Henri Honka Turku PET Centre, University of Turku, Turku, Finland

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Jukka Koffert Turku PET Centre, University of Turku, Turku, Finland
Department of Gastroenterology, Turku University Hospital, Turku, Finland

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Saila Kauhanen Division of Digestive Surgery and Urology, Turku University Hospital, Turku, Finland

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Nobuyuki Kudomi Faculty of Medicine, Kagawa University, Kagawa, Japan

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Saija Hurme Department of Biostatistics, University of Turku, Turku, Finland

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Andrea Mari Institute of Neuroscience, National Research Council, Padua, Italy

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Andreas Lindqvist Department of Clinical Sciences, Lund University Diabetes Centre, Malmö, Sweden

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Nils Wierup Department of Clinical Sciences, Lund University Diabetes Centre, Malmö, Sweden

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Riitta Parkkola Department of Radiology, University of Turku and Turku University Hospital, Turku, Finland

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Leif Groop Department of Clinical Sciences, Lund University Diabetes Centre, Malmö, Sweden

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Pirjo Nuutila Turku PET Centre, University of Turku, Turku, Finland
Department of Endocrinology, Turku University Hospital, Turku, Finland

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quantitated blood flow in portal vein (PV) and hepatic artery (HA), and HBV during a mixed-meal test and GIP infusion in morbidly obese subjects with T2D and age-matched lean controls with positron emission tomography/magnetic resonance imaging (PET/MRI). The

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Meena Asmar Department of Endocrinology, Bispebjerg and Frederiksberg Hospital, University Hospital of Copenhagen, Copenhagen, Denmark
Department of Clinical Physiology and Nuclear Medicine, Bispebjerg and Frederiksberg Hospital, University Hospital of Copenhagen, Copenhagen, Denmark

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Ali Asmar Department of Clinical Physiology and Nuclear Medicine, Bispebjerg and Frederiksberg Hospital, University Hospital of Copenhagen, Copenhagen, Denmark
Department of Clinical Physiology, Nuclear Medicine and PET, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark

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Lene Simonsen Department of Clinical Physiology and Nuclear Medicine, Bispebjerg and Frederiksberg Hospital, University Hospital of Copenhagen, Copenhagen, Denmark

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Flemming Dela Xlab, Center for Healthy Ageing, University of Copenhagen, Copenhagen, Denmark
Department of Geriatrics, Bispebjerg and Frederiksberg Hospital, University Hospital of Copenhagen, Copenhagen, Denmark

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Jens Juul Holst NNF Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark

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Jens Bülow Department of Clinical Physiology and Nuclear Medicine, Bispebjerg and Frederiksberg Hospital, University Hospital of Copenhagen, Copenhagen, Denmark
Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark

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Introduction The regulation of subcutaneous adipose tissue blood flow (ATBF) is crucial in lipid homeostasis ( 1 , 2 ). It has long been recognized that the ATBF is tightly coupled to adipose tissue metabolism ( 3 , 4 , 5 , 6 ). In

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Paola Parra Ramírez Endocrinology & Nutrition Department, La Paz University Hospital, Madrid, Spain

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Patricia Martín Rojas-Marcos Endocrinology & Nutrition Department, La Paz University Hospital, Madrid, Spain

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Miguel Paja Fano Endocrinology & Nutrition Department, Hospital Universitario de Basurto, Bilbao, Spain
Medicine Department, Basque Country University, Bilbao, Spain

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Marga González Boillos Endocrinology & Nutrition Department, Hospital Universitario de Castellón, Castellón, Spain

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Eider Pascual-Corrales Endocrinology & Nutrition Department, Hospital Universitario Ramón y Cajal, Madrid, Spain
Instituto de Investigación Biomédica Ramón y Cajal (IRYCIS), Madrid, Spain

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Ana García-Cano Biochemistry Department, Hospital Universitario Ramón y Cajal, Madrid, Spain

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Jorge Gabriel Ruiz-Sanchez Endocrinology & Nutrition Department, Hospital Fundación Jiménez Díaz, Madrid, Spain

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Almudena Vicente Endocrinology & Nutrition Department, Complejo Universitario de Toledo, Toledo, Spain

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Emilia Gómez-Hoyos Endocrinology & Nutrition Department, Hospital Clínico Universitario de Valladolid, Valladolid, Spain

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Rui Ferreira Endocrinology & Nutrition Department, Hospital Universitario de La Princesa, Madrid, Spain

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Iñigo García Sanz General & Digestive Surgery Department, Hospital Universitario de La Princesa, Madrid, Spain

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Mònica Recasens Endocrinology & Nutrition Department, Hospital Josep Trueta, Servei d’Endocrinologia, Girona, Spain

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Begoña Pla Peris Endocrinology & Nutrition Department, Hospital Universitario de Castellón, Castellón, Spain

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Rebeca Barahona San Millan Endocrinology & Nutrition Department, Hospital Josep Trueta, Servei d’Endocrinologia, Girona, Spain

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María José Picón César Endocrinology & Nutrition Department, Complejo Hospitalario Málaga (Hospital Virgen de la Victoria), IBIMA Malaga, Malaga, Spain
CIBEROBN, Madrid, Spain

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Patricia Díaz Guardiola Endocrinology & Nutrition Department, Hospital Universitario Infanta Sofía, Madrid, Spain

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Juan Jesús García González Endocrinology & Nutrition Department, Hospital Universitario Virgen de la Macarena, Sevilla, Spain

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Carolina Perdomo Endocrinology & Nutrition Department, Clínica Universidad de Navarra, Pamplona, Spain

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Laura Manjón Endocrinology & Nutrition Department, Hospital Universitario Central de Asturias, Oviedo, Spain
Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain

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Rogelio García-Centeno Endocrinology & Nutrition Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain

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Juan Carlos Percovich Endocrinology & Nutrition Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain

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Ángel Rebollo Román Endocrinology & Nutrition Department, Hospital Reina Sofía, Córdoba, Spain

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Paola Gracia Gimeno Endocrinology & Nutrition Department, Hospital Royo Villanova, Zaragoza, Spain

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Cristina Robles Lázaro Endocrinology & Nutrition Department, Hospital Universitario de Salamanca, Salamanca, Spain

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Manuel Morales Biochemistry and Molecular Genetics Department-CDB, Hospital Clinic, IDIBAPS, CIBERehd, Barcelona, Spain

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Felicia Hanzu Endocrinology & Nutrition Department, Hospital Clinic, Barcelona, Spain

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Marta Araujo-Castro Endocrinology & Nutrition Department, Hospital Universitario Ramón y Cajal, Madrid, Spain
Instituto de Investigación Biomédica Ramón y Cajal (IRYCIS), Madrid, Spain
University of Alcalá, Madrid, Spain

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). Patients with PA have a higher cardiometabolic risk profile, with four times increased risk for stroke and six times for nonfatal myocardial infarction, than patients with essential hypertension (EHT) matched by blood pressure (BP), sex, and age ( 2 , 3

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Antonia Ertelt Equine Clinic, Free University of Berlin, Berlin, Germany

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Ann-Kristin Barton Equine Clinic, Free University of Berlin, Berlin, Germany

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Robert R Schmitz Equine Clinic, Free University of Berlin, Berlin, Germany

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Heidrun Gehlen Equine Clinic, Free University of Berlin, Berlin, Germany

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areas of terminal circulation include an artery, which is usually situated in the axis of the lobule, while a paired vein collects blood on the surface. In contrast to former reports, the fat tissue is a highly perfused tissue (15, 16) . Based on the

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Jordyn Silverstein Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California, USA

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Wesley Kidder Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California, USA
Division of Hematology and Oncology, Department of Medicine, University of California, San Francisco, California, USA

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Susan Fisher Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, California, USA

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Thomas A Hope Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California, USA
Department of Radiology and Biomedical Imaging, University of California, San Francisco, California, USA

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Samantha Maisel Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California, USA

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Dianna Ng Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California, USA
Department of Pathology, University of California, San Francisco, California, USA

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Jessica Van Ziffle Department of Pathology, University of California, San Francisco, California, USA

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Chloe E Atreya Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California, USA
Division of Hematology and Oncology, Department of Medicine, University of California, San Francisco, California, USA

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Katherine Van Loon Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California, USA
Division of Hematology and Oncology, Department of Medicine, University of California, San Francisco, California, USA

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numerous hypodense metastases within the liver, with associated compression of the right portal vein, distal sigmoid colon thickening with adenopathy ( Fig. 1 ). A colonoscopy identified a partially circumferential mass in the sigmoid colon, which was

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Rachel K Rowe Phoenix Veterans Affairs Health Care System, Phoenix, Arizona, USA
BARROW Neurological Institute at Phoenix Children’s Hospital, Phoenix, Arizona, USA
Department of Child Health, University of Arizona College of Medicine – Phoenix, Phoenix, Arizona, USA

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Benjamin M Rumney BARROW Neurological Institute at Phoenix Children’s Hospital, Phoenix, Arizona, USA
Department of Child Health, University of Arizona College of Medicine – Phoenix, Phoenix, Arizona, USA
Department of Biology and Biochemistry, University of Bath, UK

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Hazel G May BARROW Neurological Institute at Phoenix Children’s Hospital, Phoenix, Arizona, USA
Department of Child Health, University of Arizona College of Medicine – Phoenix, Phoenix, Arizona, USA
Department of Biology and Biochemistry, University of Bath, UK

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Paska Permana Phoenix Veterans Affairs Health Care System, Phoenix, Arizona, USA

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P David Adelson BARROW Neurological Institute at Phoenix Children’s Hospital, Phoenix, Arizona, USA
Department of Child Health, University of Arizona College of Medicine – Phoenix, Phoenix, Arizona, USA
School of Biological and Health Systems Engineering, Arizona State University, Tempe, Arizona, USA

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S Mitchell Harman Phoenix Veterans Affairs Health Care System, Phoenix, Arizona, USA

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Jonathan Lifshitz Phoenix Veterans Affairs Health Care System, Phoenix, Arizona, USA
BARROW Neurological Institute at Phoenix Children’s Hospital, Phoenix, Arizona, USA
Department of Child Health, University of Arizona College of Medicine – Phoenix, Phoenix, Arizona, USA

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Theresa C Thomas Phoenix Veterans Affairs Health Care System, Phoenix, Arizona, USA
BARROW Neurological Institute at Phoenix Children’s Hospital, Phoenix, Arizona, USA
Department of Child Health, University of Arizona College of Medicine – Phoenix, Phoenix, Arizona, USA

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their cage and anesthetized for 5min with isoflurane. Immediately following anesthesia, rats were secured in a stereotaxic frame and blood collection (250µL) through a tail vein occurred. At 54 and 56 DPI, rats underwent restraint stress and blood

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Antonina Khoruzhenko Institute of Interdisciplinary Research (IRIBHM), Université libre de Bruxelles, Brussels, Belgium
Institute of Molecular Biology and Genetics, NAS of Ukraine, Kiev, Ukraine

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Françoise Miot Institute of Interdisciplinary Research (IRIBHM), Université libre de Bruxelles, Brussels, Belgium

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Claude Massart Institute of Interdisciplinary Research (IRIBHM), Université libre de Bruxelles, Brussels, Belgium

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Jacqueline Van Sande Institute of Interdisciplinary Research (IRIBHM), Université libre de Bruxelles, Brussels, Belgium

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Jacques Emile Dumont Institute of Interdisciplinary Research (IRIBHM), Université libre de Bruxelles, Brussels, Belgium

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Renaud Beauwens Laboratory of Physiology and Pharmacology, Université libre de Bruxelles, Brussels, Belgium

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Alain Boom Laboratoire d’Histologie, de Neuroanatomie et de Neuropathologie, Université libre de Bruxelles, Brussels, Belgium

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thyroid follicles transplanted via the portal vein into the liver of rats retained their histoarchitecture and functional activity up to 18 months and caused significant histochemical alterations of liver acini ( 25 ). Thus, the development of cell

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Richard P Steeds Department of Cardiology, University Hospitals Birmingham (Queen Elizabeth), NHS Hospitals Foundation Trust, Birmingham, UK
Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK

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Vandana Sagar Centre for Liver and Gastrointestinal Research, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK

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Shishir Shetty Centre for Liver and Gastrointestinal Research, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK

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Tessa Oelofse Departments of Anaesthesia and Intensive Care, University Hospitals Birmingham (Queen Elizabeth), NHS Hospitals Foundation Trust, Birmingham, UK

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Harjot Singh Departments of Anaesthesia and Intensive Care, University Hospitals Birmingham (Queen Elizabeth), NHS Hospitals Foundation Trust, Birmingham, UK

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Raheel Ahmad Department of Cardiology, University Hospitals Birmingham (Queen Elizabeth), NHS Hospitals Foundation Trust, Birmingham, UK

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Elizabeth Bradley Therapy Services (Dietetics), University Hospitals Birmingham (Queen Elizabeth), NHS Hospitals Foundation Trust, Birmingham, UK

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Rachel Moore Departments of Anaesthesia and Intensive Care, University Hospitals Birmingham (Queen Elizabeth), NHS Hospitals Foundation Trust, Birmingham, UK

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Suzanne Vickrage Birmingham Neuroendocrine Tumour Centre, University Hospitals Birmingham (Queen Elizabeth), NHS Hospitals Foundation Trust, Birmingham, UK

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Stacey Smith Birmingham Neuroendocrine Tumour Centre, University Hospitals Birmingham (Queen Elizabeth), NHS Hospitals Foundation Trust, Birmingham, UK

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Ivan Yim Department of Cardiothoracic Surgery, University Hospitals Birmingham (Queen Elizabeth), NHS Hospitals Foundation Trust, Birmingham, UK

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Yasir S Elhassan Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK

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Hema Venkataraman Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK

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John Ayuk Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK

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Stephen Rooney Department of Cardiothoracic Surgery, University Hospitals Birmingham (Queen Elizabeth), NHS Hospitals Foundation Trust, Birmingham, UK

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Tahir Shah Birmingham Neuroendocrine Tumour Centre, University Hospitals Birmingham (Queen Elizabeth), NHS Hospitals Foundation Trust, Birmingham, UK
Department of Hepatology and Liver Transplantation, University Hospitals Birmingham (Queen Elizabeth), NHS Hospitals Foundation Trust, Birmingham, UK

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portal circulation into the liver, where they are degraded. When GI NETs have metastasised to the liver, retro-peritoneal lymph nodes or ovaries, the hormones released by-pass degradation in the liver and gain access to the systemic circulation, causing

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