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Cidade-Rodrigues C, Santos AP, Calheiros R, Santos S, Matos C, Moreira AP, Inácio I, Souteiro P, Oliveira J, Jácome M, Pereira SS, Henrique R, Torres I, Monteiro MP. Non-functional alpha-cell hyperplasia with glucagon-producing NET: a case report. Front Endocrinol (Lausanne) 2024; 15:1405835. [PMID: 39309109 PMCID: PMC11412808 DOI: 10.3389/fendo.2024.1405835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Accepted: 08/08/2024] [Indexed: 09/25/2024] Open
Abstract
Introduction Alpha-cell hyperplasia (ACH) is a rare pancreatic endocrine condition. Three types of ACH have been described: functional or nonglucagonoma hyperglucagonemic glucagonoma syndrome, reactive or secondary to defective glucagon signaling, and non-functional. Few cases of ACH with concomitant pancreatic neuroendocrine tumors (pNETs) have been reported and its etiology remains poorly understood. A case report of non-functional ACH with glucagon-producing NET is herein presented. Case report A 72-year-old male was referred to our institution for a 2 cm single pNET incidentally found during imaging for acute cholecystitis. The patient's past medical history included type 2 diabetes (T2D) diagnosed 12 years earlier, for which he was prescribed metformin, dapagliflozin, and semaglutide. The pNET was clinically and biochemically non-functioning, apart from mildly elevated glucagon 217 pg/ml (<209), and 68Ga-SSTR PET/CT positive uptake was only found at the pancreatic tail (SUVmax 11.45). The patient underwent a caudal pancreatectomy and the post-operative 68Ga-SSTR PET/CT was negative. A multifocal well-differentiated NET G1, pT1N0M0R0 (mf) strongly staining for glucagon on a background neuroendocrine alpha-cell hyperplasia with some degree of acinar fibrosis was identified on pathology analysis. Discussion and conclusion This case reports the incidental finding of a clinically non-functioning pNET in a patient with T2D and elevated glucagon levels, unexpectedly diagnosed as glucagon-producing NET and ACH. A high level of suspicion was required to conduct the glucagon immunostaining, which is not part of the pathology routine for a clinically non-functioning pNET, and was key for the diagnosis that otherwise would have been missed. This case highlights the need to consider the diagnosis of glucagon-producing pNET on an ACH background even in the absence of glucagonoma syndrome.
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Affiliation(s)
| | - Ana Paula Santos
- Department of Endocrinology, Portuguese Oncology Institute of Porto (IPO Porto), Porto, Portugal
- Research Center of IPO Porto (CI-IPOP), RISE@CI-IPO (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto), Porto Comprehensive Cancer Centre (P.CCC), Porto, Portugal
| | - Raquel Calheiros
- Department of Endocrinology, Portuguese Oncology Institute of Porto (IPO Porto), Porto, Portugal
| | - Sara Santos
- Department of Endocrinology, Portuguese Oncology Institute of Porto (IPO Porto), Porto, Portugal
| | - Catarina Matos
- Hospital de Braga, Unidade Local de Saúde de Braga, Braga, Portugal
| | - Ana Paula Moreira
- Institute for Nuclear Sciences Applied to Health (ICNAS), University of Coimbra, Coimbra, Portugal
| | - Isabel Inácio
- Department of Endocrinology, Portuguese Oncology Institute of Porto (IPO Porto), Porto, Portugal
| | - Pedro Souteiro
- Department of Endocrinology, Portuguese Oncology Institute of Porto (IPO Porto), Porto, Portugal
| | - Joana Oliveira
- Department of Endocrinology, Portuguese Oncology Institute of Porto (IPO Porto), Porto, Portugal
| | - Manuel Jácome
- Department of Pathology, Portuguese Oncology Institute of Porto (IPO Porto), Porto, Portugal
| | - Sofia S. Pereira
- Unit for Multidisciplinary Research in Biomedicine (UMIB), School of Medicine and Biomedical Sciences (ICBAS), University of Porto, Porto, Portugal
- Laboratory of Integrative and Translocation Research in Population Health (ITR), Porto, Portugal
| | - Rui Henrique
- Research Center of IPO Porto (CI-IPOP), RISE@CI-IPO (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto), Porto Comprehensive Cancer Centre (P.CCC), Porto, Portugal
- Department of Pathology, Portuguese Oncology Institute of Porto (IPO Porto), Porto, Portugal
- Department of Pathology and Molecular Immunology, School of Medicine and Biomedical Sciences (ICBAS), University of Porto, Porto, Portugal
| | - Isabel Torres
- Department of Endocrinology, Portuguese Oncology Institute of Porto (IPO Porto), Porto, Portugal
| | - Mariana P. Monteiro
- Unit for Multidisciplinary Research in Biomedicine (UMIB), School of Medicine and Biomedical Sciences (ICBAS), University of Porto, Porto, Portugal
- Laboratory of Integrative and Translocation Research in Population Health (ITR), Porto, Portugal
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Albers MB, Sevcik M, Wiese D, Manoharan J, Rinke A, Jesinghaus M, Bartsch DK. Characteristics, therapy, and outcome of rare functioning pancreatic neuroendocrine neoplasms. Sci Rep 2024; 14:18507. [PMID: 39122816 PMCID: PMC11316089 DOI: 10.1038/s41598-024-68290-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Accepted: 07/22/2024] [Indexed: 08/12/2024] Open
Abstract
Functioning pancreatic neuroendocrine neoplasms other than insulinomas and gastrinomas (rf-pNENs) are exceptionally rare tumours. Thus, their characteristics and long-term prognosis have not been well defined. This article aims to present data and experience from a single institution concerning this topic. Twelve of 216 (5.5%) patients with pNENs operated between 2002 and 2022 in the ENETS Centre of Excellence Marburg had rf-pNENs and their data were retrospectively analysed. We identified three vasoactive intestinal polypeptide producing pNENs, four glucagonomas and five calcitoninomas. The tumour could be visualised by preoperative imaging in all 12 patients, and six patients had distant metastases at the time of diagnosis. The tumour was located in the pancreatic tail in nine patients and the median tumour size was 82 (range 12-220) mm. Eleven patients underwent tumour resections (two robotic, nine conventional), nine of which were R0. After a median follow-up of 75 (range 1-247) months, six patients were alive, five of whom had no evidence of disease. All patients who remained disease-free had an initial R0 resection of the primary tumour and no initial liver involvement. This study sheds light on the distinct characteristics and outcomes of these exceedingly rare tumours, offering insights for improved understanding and management.
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Affiliation(s)
- Max B Albers
- Department of Visceral, Thoracic and Vascular Surgery, University Hospital Marburg, Philipps University Marburg, Marburg, Germany.
| | - Martina Sevcik
- Department of Visceral, Thoracic and Vascular Surgery, University Hospital Marburg, Philipps University Marburg, Marburg, Germany
| | - Dominik Wiese
- Department of Visceral, Thoracic and Vascular Surgery, University Hospital Marburg, Philipps University Marburg, Marburg, Germany
| | - Jerena Manoharan
- Department of Visceral, Thoracic and Vascular Surgery, University Hospital Marburg, Philipps University Marburg, Marburg, Germany
| | - Anja Rinke
- Department of Internal Medicine, Division of Gastroenterology and Endocrinology, University Hospital Marburg, Philipps University Marburg, Marburg, Germany
| | - Moritz Jesinghaus
- Institute of Pathology, University Hospital Marburg, Philipps University Marburg, Marburg, Germany
| | - Detlef K Bartsch
- Department of Visceral, Thoracic and Vascular Surgery, University Hospital Marburg, Philipps University Marburg, Marburg, Germany
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Smirne C, Giacomini GM, Berton AM, Pasini B, Mercalli F, Prodam F, Caputo M, Brosens LAA, Mollero ELM, Pitino R, Pirisi M, Aimaretti G, Ghigo E. A novel likely pathogenetic variant p.(Cys235Arg) of the MEN1 gene in multiple endocrine neoplasia type 1 with multifocal glucagonomas. J Endocrinol Invest 2024; 47:1815-1825. [PMID: 38294658 PMCID: PMC11196359 DOI: 10.1007/s40618-023-02287-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 12/17/2023] [Indexed: 02/01/2024]
Abstract
PURPOSE Multiple endocrine neoplasia type 1 (MEN1) is a hereditary endocrine syndrome caused by pathogenic variants in MEN1 tumor suppressor gene. Diagnosis is commonly based on clinical criteria and confirmed by genetic testing. The objective of the present study was to report on a MEN1 case characterized by multiple pancreatic glucagonomas, with particular concern on the possible predisposing genetic defects. METHODS While conducting an extensive review of the most recent scientific evidence on the unusual glucagonoma familial forms, we analyzed the MEN1 gene in a 35-year-old female with MEN1, as well as her son and daughter, using Sanger and next-generation sequencing (NGS) approaches. We additionally explored the functional and structural consequences of the identified variant using in silico analyses. RESULTS NGS did not show any known pathogenic variant in the tested regions. However, a new non-conservative variant in exon 4 of MEN1 gene was found in heterozygosity in the patient and in her daughter, resulting in an amino acid substitution from hydrophobic cysteine to hydrophilic arginine at c.703T > C, p.(Cys235Arg). This variant is absent from populations databases and was never reported in full papers: its characteristics, together with the high specificity of the patient's clinical phenotype, pointed toward a possible causative role. CONCLUSION Our findings confirm the need for careful genetic analysis of patients with MEN1 and establish a likely pathogenic role for the new p.(Cys235Arg) variant, at least in the rare subset of MEN1 associated with glucagonomas.
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Affiliation(s)
- C Smirne
- Department of Translational Medicine, University of Piemonte Orientale, Via Solaroli 17, 28100, Novara, Italy.
- Division of Internal Medicine, University Hospital Maggiore della Carità, 28100, Novara, Italy.
| | - G M Giacomini
- Department of Translational Medicine, University of Piemonte Orientale, Via Solaroli 17, 28100, Novara, Italy
- Division of Internal Medicine, University Hospital Maggiore della Carità, 28100, Novara, Italy
| | - A M Berton
- Division of Endocrinology, Diabetes and Metabolism, City of Health and Science University Hospital, 10126, Turin, Italy
| | - B Pasini
- Department of Medical Sciences, University of Turin, 10126, Turin, Italy
- Division of Medical Genetics, City of Health and Science University Hospital, 10126, Turin, Italy
| | - F Mercalli
- Division of Pathology, University Hospital Maggiore della Carità, 28100, Novara, Italy
| | - F Prodam
- Department of Health Sciences, University of Piemonte Orientale, 28100, Novara, Italy
- Division of Endocrinology, University Hospital Maggiore della Carità, 28100, Novara, Italy
| | - M Caputo
- Department of Health Sciences, University of Piemonte Orientale, 28100, Novara, Italy
- Division of Endocrinology, University Hospital Maggiore della Carità, 28100, Novara, Italy
| | - L A A Brosens
- Department of Pathology, University Medical Center Utrecht, 3584 CX, Utrecht, The Netherlands
| | - E L M Mollero
- Division of Endocrinology, University Hospital Maggiore della Carità, 28100, Novara, Italy
| | - R Pitino
- Division of Endocrinology, University Hospital Maggiore della Carità, 28100, Novara, Italy
| | - M Pirisi
- Department of Translational Medicine, University of Piemonte Orientale, Via Solaroli 17, 28100, Novara, Italy
- Division of Internal Medicine, University Hospital Maggiore della Carità, 28100, Novara, Italy
| | - G Aimaretti
- Department of Translational Medicine, University of Piemonte Orientale, Via Solaroli 17, 28100, Novara, Italy
- Division of Endocrinology, University Hospital Maggiore della Carità, 28100, Novara, Italy
| | - E Ghigo
- Division of Endocrinology, Diabetes and Metabolism, City of Health and Science University Hospital, 10126, Turin, Italy
- Department of Medical Sciences, University of Turin, 10126, Turin, Italy
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Kartik A, Armstrong VL, Stucky CC, Wasif N, Fong ZV. Contemporary Approaches to the Surgical Management of Pancreatic Neuroendocrine Tumors. Cancers (Basel) 2024; 16:1501. [PMID: 38672582 PMCID: PMC11048062 DOI: 10.3390/cancers16081501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 04/04/2024] [Accepted: 04/10/2024] [Indexed: 04/28/2024] Open
Abstract
The incidence of pancreatic neuroendocrine tumors (PNETs) is on the rise primarily due to the increasing use of cross-sectional imaging. Most of these incidentally detected lesions are non-functional PNETs with a small proportion of lesions being hormone-secreting, functional neoplasms. With recent advances in surgical approaches and systemic therapies, the management of PNETs have undergone a paradigm shift towards a more individualized approach. In this manuscript, we review the histologic classification and diagnostic approaches to both functional and non-functional PNETs. Additionally, we detail multidisciplinary approaches and surgical considerations tailored to the tumor's biology, location, and functionality based on recent evidence. We also discuss the complexities of metastatic disease, exploring liver-directed therapies and the evolving landscape of minimally invasive surgical techniques.
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Affiliation(s)
| | | | | | | | - Zhi Ven Fong
- Division of Surgical Oncology and Endocrine Surgery, Department of Surgery, Mayo Clinic Arizona, Phoenix, AZ 85054, USA
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5
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Annabi E, Lalevée S, Bettuzzi T, Demortier J, Papouin B, De Mestier Du Bourg L, Sbidian E, Ingen-Housz-Oro S. Annular eruption with weight loss in a 47-year-old man. Frontline Gastroenterol 2024; 15:177-178. [PMID: 38486674 PMCID: PMC10935518 DOI: 10.1136/flgastro-2023-102507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 09/04/2023] [Indexed: 03/17/2024] Open
Affiliation(s)
| | | | | | | | - Barbara Papouin
- Pathology, Hopital Henri Mondor, Creteil, Île-de-France, France
| | | | - Emilie Sbidian
- Dermatology, Hopital Henri Mondor, Creteil, France
- Epidemiology in Dermatology and Evaluation of Therapeutics (EpiDermE) - EA 7379, UPEC, Creteil, France
| | - Saskia Ingen-Housz-Oro
- Dermatology, Hopital Henri Mondor, Creteil, France
- Epidemiology in Dermatology and Evaluation of Therapeutics (EpiDermE) - EA 7379, UPEC, Creteil, France
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Hofland J, de Herder WW. Effective strategies for adequate control of hormonal secretion in functioning neuroendocrine neoplasms. Best Pract Res Clin Endocrinol Metab 2023; 37:101787. [PMID: 37311669 DOI: 10.1016/j.beem.2023.101787] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Neuroendocrine neoplasms are a unique form of malignancies as they can be accompanied by specific functioning hormonal syndromes that can impair survival and quality of life in patients. Functioning syndromes are defined by the combination of specific clinical signs and symptoms in combination with inappropriately elevated circulating levels of hormones. Clinicians should remain vigilant for the presence of functioning syndromes in neuroendocrine neoplasm patients at presentation as well as during follow-up. The correct diagnostic work-up should be initiated in cases of clinical suspicion of a neuroendocrine neoplasm-associated functioning syndrome. Management of a functional syndrome includes options from supportive, surgical, hormonal and antiproliferative treatment modalities. Here, we review the patient and tumour characteristics for each functioning syndrome that should be taken into account when deciding the optimum treatment strategy in neuroendocrine neoplasm patients.
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Affiliation(s)
- Johannes Hofland
- Department of Internal Medicine, Section of Endocrinology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands.
| | - Wouter W de Herder
- Department of Internal Medicine, Section of Endocrinology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
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7
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Popoviciu MS, Paduraru L, Nutas RM, Ujoc AM, Yahya G, Metwally K, Cavalu S. Diabetes Mellitus Secondary to Endocrine Diseases: An Update of Diagnostic and Treatment Particularities. Int J Mol Sci 2023; 24:12676. [PMID: 37628857 PMCID: PMC10454882 DOI: 10.3390/ijms241612676] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/31/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
Secondary diabetes mellitus is frequently ignored in specialized literature. In this narrative review, the main endocrinopathies accompanied by increased glycemic values are identified, as well as the mechanisms by which the excess or deficiency of certain hormones impact beta cell function or insulin resistance. The main endocrinopathies (acromegaly, Cushing's syndrome, Basedow-Graves' disease, pheochromocytoma, somatostatinoma and glucagonoma) and their characteristics are described along with the impact of hormone changes on blood sugar, body mass index and other parameters associated with diabetes. The overall information regarding the complex molecular mechanisms that cause the risk of secondary diabetes and metabolic syndrome is of crucial importance in order to prevent the development of the disease and its complications and particularly to reduce the cardiovascular risk of these patients. The purpose of this study is to highlight the particular features of endocrine pathologies accompanied by an increased risk of developing diabetes, in the context of personalized therapeutic decision making. The epidemiological, physiopathological, clinical and therapeutic approaches are presented along with the importance of screening for diabetes in endocrine diseases.
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Affiliation(s)
- Mihaela Simona Popoviciu
- Faculty of Medicine and Pharmacy, University of Oradea, P-ta 1 Decembrie 10, 410073 Oradea, Romania; (M.S.P.); (L.P.); (S.C.)
| | - Lorena Paduraru
- Faculty of Medicine and Pharmacy, University of Oradea, P-ta 1 Decembrie 10, 410073 Oradea, Romania; (M.S.P.); (L.P.); (S.C.)
| | | | - Alexandra Maria Ujoc
- Bihor County Emergency Clinic Hospital, 410167 Oradea, Romania; (R.M.N.); (A.M.U.)
| | - Galal Yahya
- Department of Microbiology and Immunology, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Kamel Metwally
- Department of Medicinal Chemistry, Faculty of Pharmacy, University of Tabuk, Tabuk 71491, Saudi Arabia;
- Department of Pharmaceutical Medicinal Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Simona Cavalu
- Faculty of Medicine and Pharmacy, University of Oradea, P-ta 1 Decembrie 10, 410073 Oradea, Romania; (M.S.P.); (L.P.); (S.C.)
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8
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An Insight on Functioning Pancreatic Neuroendocrine Neoplasms. Biomedicines 2023; 11:biomedicines11020303. [PMID: 36830839 PMCID: PMC9953748 DOI: 10.3390/biomedicines11020303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 01/16/2023] [Accepted: 01/18/2023] [Indexed: 01/24/2023] Open
Abstract
Pancreatic neuroendocrine neoplasms (PanNENs) are rare neoplasms arising from islets of the Langerhans in the pancreas. They can be divided into two groups, based on peptide hormone secretion, functioning and nonfunctioning PanNENs. The first group is characterized by different secreted peptides causing specific syndromes and is further classified into subgroups: insulinoma, gastrinoma, glucagonoma, somatostatinoma, VIPoma and tumors producing serotonin and adrenocorticotrophic hormone. Conversely, the second group does not release peptides and is usually associated with a worse prognosis. Today, although the efforts to improve the therapeutic approaches, surgery remains the only curative treatment for patients with PanNENs. The development of high-throughput techniques has increased the molecular knowledge of PanNENs, thereby allowing us to understand better the molecular biology and potential therapeutic vulnerabilities of PanNENs. Although enormous advancements in therapeutic and molecular aspects of PanNENs have been achieved, there is poor knowledge about each subgroup of functioning PanNENs.Therefore, we believe that combining high-throughput platforms with new diagnostic tools will allow for the efficient characterization of the main differences among the subgroups of functioning PanNENs. In this narrative review, we summarize the current landscape regarding diagnosis, molecular profiling and treatment, and we discuss the future perspectives of functioning PanNENs.
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9
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Castle JT, Levy BE, Chauhan A. Pediatric Neuroendocrine Neoplasms: Rare Malignancies with Incredible Variability. Cancers (Basel) 2022; 14:cancers14205049. [PMID: 36291833 PMCID: PMC9599522 DOI: 10.3390/cancers14205049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/07/2022] [Accepted: 10/13/2022] [Indexed: 11/16/2022] Open
Abstract
Neuroendocrine neoplasms (NENs) encompass a variety of neuroendocrine tumors (NETs) and neuroendocrine carcinomas (NECs) which can arise anywhere in the body. While relatively rare in the pediatric population, the incidence of NENs has increased in the past few decades. These neoplasms can be devastating if not diagnosed and treated early, however, symptoms are variable and can be indolent for many years. There is a reported median of 10 years from the appearance of the first symptoms to time of diagnosis. Considering some of these neoplasms have a mortality rate as high as 90%, it is crucial healthcare providers are aware of NENs and remain vigilant. With better provider education and easily accessible resources for information about these neoplasms, awareness can be improved leading to earlier disease recognition and diagnosis. This manuscript aims to provide an overview of both the most common NENs as well as the rarer NENs with high lethality in the pediatric population. This review provides up to date evidence and recommendations, encompassing recent changes in classification and advances in treatment modalities, including recently completed and ongoing clinical trials.
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Affiliation(s)
- Jennifer T. Castle
- Department of Surgery, Markey Cancer Center, University of Kentucky, 800 Rose Street, Lexington, KY 40536, USA
| | - Brittany E. Levy
- Department of Surgery, University of Kentucky, 800 Rose Street, Lexington, KY 40536, USA
| | - Aman Chauhan
- Department of Internal Medicine-Medical Oncology, Markey Cancer Center, University of Kentucky, 800 Rose Street, Lexington, KY 40536, USA
- Correspondence: or
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A Glucagonoma Presenting as Cerebral Vein Thrombosis and Diabetes. Case Rep Endocrinol 2022; 2022:7659341. [PMID: 35498123 PMCID: PMC9054441 DOI: 10.1155/2022/7659341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 04/11/2022] [Indexed: 11/18/2022] Open
Abstract
Glucagonomas are rare pancreatic neuroendocrine tumors (pNETs), malignant in 80% of cases, thus highlighting the importance of early diagnosis and treatment. Primary manifestations are diabetes, dermatosis, depression, weight loss, and deep vein thrombosis. Unlike other pNETs, glucagonomas are associated with a higher incidence of thromboembolic events, often resulting in death. We present the case of a glucagonoma patient whose primary manifestation was cerebral sinus venous thrombosis (CS-VT). Early diagnosis enabled curative resection. The purpose of this paper is to review the underlying mechanisms associated with increased coagulopathy in glucagonomas.
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11
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Shakir MKM, Ebrahim IC, Snitchler AN, Mai VQ, Hoang TD. Benign-Appearing Glucagonoma Undergoing Malignant Transformation after a Prolonged Period. Case Rep Oncol 2020; 13:1109-1115. [PMID: 33082756 PMCID: PMC7548878 DOI: 10.1159/000509641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 06/22/2020] [Indexed: 11/19/2022] Open
Abstract
Glucagonoma are rare neuroendocrine tumors arising in the Langerhans islets of the pancreas. We report a patient with glucagonoma differentiation into a malignant form after 13 years. A 63-year-old asymptomatic man was evaluated for an enhancing lesion at the distal pancreas. Physical examination was normal. Laboratory values were normal except for an elevated serum glucagon level (206 pg/mL, Ref. 50-150). Somatostatin and other tumor markers were normal. A PET scan confirmed abnormal uptake at the distal pancreas, correlating with a CT scan. The patient underwent laparoscopic distal pancreatectomy with resection of a 2.6-cm mass which predominantly expressed glucagon. Serum glucagon levels normalized immediately postoperatively. He remained asymptomatic for 13 years with normal blood glucose, glucagon, and chromogranin levels and normal surveillance MRI scans. Thirteen years following surgery, an elevated serum glucagon level (230 pg/mL) was observed. At this time he also remained asymptomatic. Abdominal MRI and a PET scan revealed hepatic lesions. Biopsy of the hepatic lesion confirmed metastatic glucagonoma. The patient was treated with lanreotide, which normalized the serum glucagon levels, and the tumor size remained stable for 12 months of follow-up. Complete remission without any treatment for more than 13 years confirmed the benign course of the glucagon-secreting tumor. The precipitating factors are unknown. This case highlights the importance of continuous monitoring of neuroendocrine tumors even beyond 10 years.
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Affiliation(s)
- Mohamed K M Shakir
- Department of Endocrinology, Walter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - Ismail C Ebrahim
- Department of Endocrinology, Walter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - Andrea N Snitchler
- Department of Pathology, Walter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - Vinh Q Mai
- Department of Endocrinology, Walter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - Thanh D Hoang
- Department of Endocrinology, Walter Reed National Military Medical Center, Bethesda, Maryland, USA
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12
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Alvarez M, Almanzar A, Sanabria F, Meneses G, Velasquez L, Zarate L. MANIFESTATIONS OF GLUCAGONOMA SYNDROME. AACE Clin Case Rep 2020; 6:e46-e49. [PMID: 32524009 DOI: 10.4158/accr-2019-0211] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Accepted: 10/21/2019] [Indexed: 11/15/2022] Open
Abstract
Objective Glucagonoma is a rare neuroendocrine tumor of the pancreas. We present the case of a young female patient who presented with the major clinical manifestations of glucagonoma syndrome. Methods The major clinical manifestations of glucagonoma syndrome are described in a 44-year-old, female patient. Beyond glucagonoma, the patient also displayed deep venous thrombosis, depression, diabetes, and necrolytic migratory erythema. We discuss the difficulty of treatment of patients with glucagonoma due to the low prevalence of the disorder, scarcity of medical evidence, lateness of diagnosis with liver metastases in most cases, and poor response to chemotherapy with high rates of relapse after surgery. In this case, pancreatectomy and hepatic lobectomy followed by somatostatin analogue therapy was the chosen treatment strategy. Results The clinical findings were pancreatic and hepatic masses, proximal deep venous thrombosis, depression, diabetes, and necrolytic migratory erythema. The patient also had elevated levels of glucagon. Pancreatectomy and right hepatic lobectomy were performed and confirmed the glucagonoma. Conclusion Our case adds new knowledge about glucagonoma which is important due to the low incidence of the disease and the particular characteristics of the syndrome.
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Ishida H, Lam AKY. Pancreatic neuroendocrine neoplasms: The latest surgical and medical treatment strategies based on the current World Health Organization classification. Crit Rev Oncol Hematol 2020; 145:102835. [DOI: 10.1016/j.critrevonc.2019.102835] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Revised: 11/06/2019] [Accepted: 11/11/2019] [Indexed: 12/15/2022] Open
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Briganti V, Cuccurullo V, Di Stasio GD, Mansi L. Gamma Emitters in Pancreatic Endocrine Tumors Imaging in the PET Era: Is there a Clinical Space for 99mTc-peptides? Curr Radiopharm 2019; 12:156-170. [DOI: 10.2174/1874471012666190301122524] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 06/15/2018] [Accepted: 10/19/2018] [Indexed: 12/18/2022]
Abstract
Background:
Pancreatic Neuroendocrine Tumors (PNETs) are rare neoplasms, sporadic or
familial, even being part of a syndrome. Their diagnosis is based on symptoms, hormonal disorders or
may be fortuitous. The role of Nuclear Medicine is important, mainly because of the possibility of a
theranostic strategy. This approach is allowed by the availability of biochemical agents, which may be
labeled with radionuclides suitable for diagnostic or therapeutic purposes, showing almost identical
pharmacokinetics. The major role for radiopharmaceuticals is connected with radiolabeled Somatostatin
Analogues (SSA), since somatostatin receptors are highly expressed on some of the neoplastic
cell types.
Discussion:
Nowadays, in the category of radiolabeled SSA, although 111In-pentetreotide, firstly
commercially proposed, is still used, the best choice for diagnosis is related to the so called DOTAPET
radiotracers labeled with 68-Gallium (Ga), such as 68Ga-DOTATATE, 68Ga-DOTANOC, and
68Ga-DOTATOC. More recently, labeling with 64-Copper (Cu) (64Cu-DOTATATE) has also been
proposed. In this review, we discuss the clinical interest of a SAA (Tektrotyd©) radiolabeled with
99mTc, a gamma emitter with better characteristics, with respect to 111Indium, radiolabeling Octreoscan
©. By comparing both pharmacokinetics and pharmacodynamics of Octreoscan©, Tektrotyd©
and PET DOTA-peptides, on the basis of literature data and of our own experience, we tried to highlight
these topics to stimulate further studies, individuating actual clinical indications for all of these
radiotracers.
Conclusion:
In our opinion, Tektrotyd© could already find its applicative dimension in the daily practice
of NETs, either pancreatic or not, at least in centers without a PET/CT or a 68Ga generator. Because
of wider availability, a lower cost, and a longer decay, compared with respect to peptides labeled
with 68Ga, it could be also proposed, in a theranostic context, for a dosimetry evaluation of patients
undergoing Peptide Receptor Radionuclide Therapy (PRRT), and for non-oncologic indications
of radiolabelled SSA. In this direction, and for a more rigorous cost/effective evaluation, more precisely
individuating its clinical role, further studies are needed.
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Affiliation(s)
- Vittorio Briganti
- Nuclear Medicine Unit - Azienda Ospedaliero Universitaria Careggi Firenze, Italy
| | - Vincenzo Cuccurullo
- Nuclear Medicine Unit, Department of Clinical and Experimental Medicine "F.Magrassi, A.Lanzara" – Università della Campania "Luigi Vanvitelli", Napoli, Italy
| | - Giuseppe Danilo Di Stasio
- Nuclear Medicine Unit, Department of Clinical and Experimental Medicine "F.Magrassi, A.Lanzara" – Università della Campania "Luigi Vanvitelli", Napoli, Italy
| | - Luigi Mansi
- Health and Development Section, Interuniversitary Research Center for Sustainable Development, Napoli-Roma, Italy
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15
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Guilmette J, Nosé V. Paraneoplastic syndromes and other systemic disorders associated with neuroendocrine neoplasms. Semin Diagn Pathol 2019; 36:229-239. [PMID: 30910348 DOI: 10.1053/j.semdp.2019.03.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Neuroendocrine paraneoplastic syndromes (PNS) consist of metabolic disorders that accompany benign and malignant neoplasms but remain unrelated to mass effects or invasion by the primary tumor or its metastases. The underlying pathogenesis responsible for PNS usual clinical presentation relies on aberrant production of protein hormones, proteins and other substances by the tumor. Prompt recognition of characteristic signs and symptoms combined with serological identification of key substances may result in early diagnosis of PNS and its underlying malignancy. For these reasons, healthcare professionals should familiarize themselves with tumor-induced hypercalcemia, syndrome of inappropriate antidiuretic hormone, carcinoid syndrome, virilisation syndrome, gynecomastia, acromegaly, Cushing syndrome, osteogenic osteomalacia, tumor-induced hypoglycemia, necrolytic migratory erythema, and watery diarrhea, hypokalemia and achlorydria syndrome. Medical awareness for PNS can improve patient outcomes through earlier administration of cancer therapy and treatment, better symptomatic relief and prolong overall survival.
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Affiliation(s)
- Julie Guilmette
- Department of Pathology, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA 02114-2696, United States; Department of Pathology, Charles-Lemoyne Hospital, Greenfield Park, Quebec, Canada
| | - Vânia Nosé
- Department of Pathology, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA 02114-2696, United States.
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16
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Neoplasms of the Neuroendocrine Pancreas: An Update in the Classification, Definition, and Molecular Genetic Advances. Adv Anat Pathol 2019; 26:13-30. [PMID: 29912000 DOI: 10.1097/pap.0000000000000201] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
This review focuses on discussing the main modifications of the recently published 2017 WHO Classification of Neoplasms of the Neuroendocrine Pancreas (panNEN). Recent updates separate pancreatic neuroendocrine tumors into 2 broad categories: well-differentiated pancreatic neuroendocrine tumors (panNET) and poorly differentiated pancreatic neuroendocrine carcinoma (panNEC), and incorporates a new subcategory of "well-differentiated high-grade NET (G3)" to the well-differentiated NET category. This new classification algorithm aims to improve the prediction of clinical outcomes and survival and help clinicians select better therapeutic strategies for patient care and management. In addition, these neuroendocrine neoplasms are capable of producing large quantity of hormones leading to clinical hormone hypersecretion syndromes. These functioning tumors include, insulinomas, glucagonomas, somatostatinomas, gastrinomas, VIPomas, serotonin-producing tumors, and ACTH-producing tumors. Although most panNENs arise as sporadic diseases, a subset of these heterogeneous tumors present as parts on inherited genetic syndromes, such as multiple endocrine neoplasia type 1, von Hippel-Lindau, neurofibromatosis type 1, tuberous sclerosis, and glucagon cell hyperplasia and neoplasia syndromes. Characteristic clinical and morphologic findings for certain functioning and syndromic panNENs should alert both pathologists and clinicians as appropriate patient management and possible genetic counseling may be necessary.
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17
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Tamura A, Ogasawara T, Fujii Y, Kaneko H, Nakayama A, Higuchi S, Hashimoto N, Miyabayashi Y, Fujimoto M, Komai E, Kono T, Sakuma I, Nagano H, Suzuki S, Koide H, Yokote K, Iseki K, Oguma R, Matsue H, Nojima H, Sugiura K, Yoshitomi H, Ohtsuka M, Rahmutulla B, Kaneda A, Inoshita N, Ogawa S, Tanaka T. Glucagonoma With Necrolytic Migratory Erythema: Metabolic Profile and Detection of Biallelic Inactivation of DAXX Gene. J Clin Endocrinol Metab 2018; 103:2417-2423. [PMID: 29688432 DOI: 10.1210/jc.2017-02646] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Accepted: 04/17/2018] [Indexed: 11/19/2022]
Abstract
CONTEXT Necrolytic migratory erythema (NME) occurs in approximately 70% of patients with glucagonoma syndrome. Excessive stimulation of metabolic pathways by hyperglucagonemia, which leads to hypoaminoacidemia, contributes to NME pathogenesis. However, the molecular pathogenesis of glucagonoma and relationships between metabolic abnormalities and clinical symptoms remain unclear. PATIENT A 53-year-old woman was referred to our hospital with a generalized rash and weight loss. NME was diagnosed by histopathological examination of skin biopsy tissue. Laboratory tests revealed diabetes, hyperglucagonemia, marked insulin resistance, severe hypoaminoacidemia, ketosis, and anemia. Enhanced computed tomography scans detected a 29-mm pancreatic hypervascular tumor, which was eventually diagnosed as glucagonoma. Preoperative treatment with octreotide long-acting release reduced the glucagon level, improved the amino acid profile, and produced NME remission. Surgical tumor excision normalized the metabolic status and led to remission of symptoms, including NME. INTERVENTIONS Whole-exome sequencing (WES) and subsequent targeted capture sequencing, followed by Sanger sequencing and pyrosequencing, identified biallelic alteration of death-domain associated protein (DAXX) with a combination of loss of heterozygosity and frameshift mutations (c.553_554del:p.R185fs and c.1884dupC:p.C629fs) in the glucagonoma. Consistently, immunohistochemistry confirmed near-absence of DAXX staining in the tumor cells. Tumor expression of glucagon and somatostatin receptor subtype 2 and 3 messenger RNA was markedly upregulated. CONCLUSIONS This is a report of glucagonoma with biallelic inactivation of DAXX determined by WES. The tumor manifested as glucagonoma syndrome with generalized NME. This case showed the relationship between hypoaminoacidemia and NME status. Further investigations are required to elucidate the underlying mechanisms of NME onset and glucagonoma tumorigenesis.
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Affiliation(s)
- Ai Tamura
- Department of Clinical Cell Biology and Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
- Division of Diabetes, Endocrinology, and Metabolism, Chiba University Hospital, Chiba, Japan
| | - Tatsuki Ogasawara
- Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoichi Fujii
- Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hiyori Kaneko
- Department of Clinical Cell Biology and Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
- Division of Diabetes, Endocrinology, and Metabolism, Chiba University Hospital, Chiba, Japan
| | - Akitoshi Nakayama
- Department of Molecular Diagnosis, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Seiichiro Higuchi
- Division of Diabetes, Endocrinology, and Metabolism, Chiba University Hospital, Chiba, Japan
- Department of Molecular Diagnosis, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Naoko Hashimoto
- Division of Diabetes, Endocrinology, and Metabolism, Chiba University Hospital, Chiba, Japan
- Department of Molecular Diagnosis, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Yui Miyabayashi
- Department of Molecular Diagnosis, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Masanori Fujimoto
- Department of Clinical Cell Biology and Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
- Division of Diabetes, Endocrinology, and Metabolism, Chiba University Hospital, Chiba, Japan
| | - Eri Komai
- Department of Clinical Cell Biology and Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
- Division of Diabetes, Endocrinology, and Metabolism, Chiba University Hospital, Chiba, Japan
| | - Takashi Kono
- Department of Clinical Cell Biology and Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
- Division of Diabetes, Endocrinology, and Metabolism, Chiba University Hospital, Chiba, Japan
| | - Ikki Sakuma
- Department of Clinical Cell Biology and Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
- Division of Diabetes, Endocrinology, and Metabolism, Chiba University Hospital, Chiba, Japan
| | - Hidekazu Nagano
- Department of Clinical Cell Biology and Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
- Division of Diabetes, Endocrinology, and Metabolism, Chiba University Hospital, Chiba, Japan
| | - Sawako Suzuki
- Department of Clinical Cell Biology and Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
- Division of Diabetes, Endocrinology, and Metabolism, Chiba University Hospital, Chiba, Japan
| | - Hisashi Koide
- Department of Clinical Cell Biology and Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
- Division of Diabetes, Endocrinology, and Metabolism, Chiba University Hospital, Chiba, Japan
| | - Koutaro Yokote
- Department of Clinical Cell Biology and Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
- Division of Diabetes, Endocrinology, and Metabolism, Chiba University Hospital, Chiba, Japan
| | - Kozue Iseki
- Department of Dermatology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Rena Oguma
- Department of Dermatology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Hiroyuki Matsue
- Department of Dermatology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Hiroyuki Nojima
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Kensuke Sugiura
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Hideyuki Yoshitomi
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Masayuki Ohtsuka
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Bahityar Rahmutulla
- Department of Molecular Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Atsushi Kaneda
- Department of Molecular Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Naoko Inoshita
- Department of Pathology, Toranomon Hospital, Tokyo, Japan
| | - Seishi Ogawa
- Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Tomoaki Tanaka
- Division of Diabetes, Endocrinology, and Metabolism, Chiba University Hospital, Chiba, Japan
- Department of Molecular Diagnosis, Graduate School of Medicine, Chiba University, Chiba, Japan
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18
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Wei J, Song X, Liu X, Ji Z, Ranasinha N, Wu J, Miao Y. Glucagonoma and Glucagonoma Syndrome: One Center's Experience of Six Cases. J Pancreat Cancer 2018; 4:11-16. [PMID: 30631852 PMCID: PMC5999015 DOI: 10.1089/pancan.2018.0003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Purpose: Glucagonoma is an extremely rare neuroendocrine tumor arising from pancreatic islet cells. Although patients with glucagonoma manifest multiple typical symptoms, early diagnosis remains difficult due to the scarcity of this disease. Methods: In this study, we retrospectively screened the database of the pancreas center of Nanjing Medical University. A total of six cases diagnosed as glucagonoma during the past 17 years were included. Their clinical characteristics and treatments were reviewed. Results: The six patients consisted of four females and two males. Their median age at diagnosis was 48.7 years (range 35-77). The time from onset of symptoms to diagnosis of glucagonoma ranged from 1.3 months to >10 years. Common symptoms included necrotizing migratory erythema shown in six of six patients (100%), diabetes mellitus in five of six patients (83%), stomatitis in four of six patients (67%), and weight loss in four of six patients (67%). Plasma glucagon levels were elevated in all patients (range 245.6-1132.2 pg/mL; n < 200), and significantly declined after surgery (range 29-225.1 pg/mL; n < 200). Imaging studies revealed that three of six patients had metastasis at the time of diagnosis. All patients received surgical resection. The primary lesion, liver metastases, and involved organs were resected in all patients if present. The mean survival time was 5.7 years (range 3-10.4) from diagnosis and four of six patients died of this disease by the time of follow-up. Conclusion: Our data suggest surgery is effective for symptom relief and can control the progress of glucagonoma. Early diagnosis and surgery are crucial for glucagonoma.
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Affiliation(s)
- Jishu Wei
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xujun Song
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Department of General Surgery, Zhongda Hospital, Medical School of Southeast University, Nanjing, China
| | - Xinchun Liu
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zhenling Ji
- Department of General Surgery, Zhongda Hospital, Medical School of Southeast University, Nanjing, China
| | | | - Junli Wu
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yi Miao
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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19
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Song X, Zheng S, Yang G, Xiong G, Cao Z, Feng M, Zhang T, Zhao Y. Glucagonoma and the glucagonoma syndrome. Oncol Lett 2018; 15:2749-2755. [PMID: 29435000 PMCID: PMC5778850 DOI: 10.3892/ol.2017.7703] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 08/17/2017] [Indexed: 12/13/2022] Open
Abstract
Glucagonoma is an extremely rare pancreatic α-islet cell tumor and is often accompanied by certain clinical symptoms including necrotizing migratory erythema (NME), diabetes, weight loss and anemia. The objectives of the current review were to discern the clinical features, diagnosis, treatment and prognosis of glucagonoma by evaluating 623 reported cases. A 1998 study reviewed 407 cases and 216 cases were reported in studies published after 1998. The current review consisted of 268 males and 339 females, with an average age of 52.4 years. The male-to-female ratio was 0.79. The incidence of typical clinical findings were as follows: NME, 82.4% (350/425); diabetes, 68.5% (291/425); weight loss, 60.2% (256/425); anemia, 49.6% (211/425); and glossitis or stomatitis or cheilitis, 41.2% (175/425). A total of 499 cases reported the location of the tumor as the pancreas and 64.1% (320/499) involved the pancreatic tail. Tumor size was recorded in 58.3% (126/216) cases reported after 1998 and average tumor size was 5.0 cm. Metastasis was detected in 49.2% of patients (293/595 for whom metastasis or no metastasis were recorded) upon diagnosis. These patients were older than those without metastasis (average age, 54.0 years old vs. 50.8 years old). The average time between symptoms and diagnosis of glucagonoma was 31.4 months. Glucagonoma is a very rare disease. It is important for clinicians to learn more about this disease to be able to diagnose and treat it as early as possible, thus improving patient prognosis.
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Affiliation(s)
- Xujun Song
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
| | - Suli Zheng
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
| | - Gang Yang
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
| | - Guangbing Xiong
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
| | - Zhe Cao
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
| | - Mengyu Feng
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
| | - Taiping Zhang
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
| | - Yupei Zhao
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
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20
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Rottenburger C, Papantoniou D, Mandair D, Caplin M, Navalkissoor S. A Case Series of Molecular Imaging of Glucagonoma After Initial Therapy-68Ga-DOTATATE PET/CT Reveals Similar Results as in Neuroendocrine Tumors of Other Origin in Follow-up and Re-evaluation. Clin Nucl Med 2018; 43:252-255. [PMID: 29432346 DOI: 10.1097/rlu.0000000000002005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Glucagonoma is an extremely rare, glucagon-secreting neuroendocrine tumor of the pancreas. Only sparse data are available about the characteristics of this tumor in somatostatin receptor imaging and only for the situation of initial diagnosis. We present a series of 3 glucagonoma patients who underwent at least 1 Ga-DOTATATE PET/CT scan. All patients were diagnosed by either histology and/or elevated serum levels of glucagon. The presented cases suggest that somatostatin receptor-based imaging can probably be used for re-evaluation of disease status in patients with glucagonoma in a similar way as it is already established for neuroendocrine tumors of other origin.
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21
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Abstract
Peptide hormones represent a major class of hormones that are made from amino acids by specialized endocrine glands. The maturation of bioactive hormones take place in the rough endoplasmic reticulum and Golgi apparatus, where preprohormones are proteolytically cleaved into prohormones, and subsequently into mature peptide hormones. Once the bioactive hormones are released into the circulation, they interact with receptors located on the plasma membrane of target cells, and initiate intracellular signaling pathways to regulate physiological processes including energy metabolism, growth, stress, and reproduction. However, excessive amount of circulating peptide hormones often associates with the presence of tumors. Section 2 discusses 10 peptide hormones as tumor markers and their clinical application in aiding the diagnosis of tumors as well as monitoring the disease process.
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Affiliation(s)
- Qian Sun
- National Institutes of Health, Bethesda, MD, United States
| | - Zhen Zhao
- National Institutes of Health, Bethesda, MD, United States.
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22
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Gao Y, Wang C, Gao Y, Chen H, Peng B, Chen W, Ran X. Glucagonoma syndrome with serous oligocystic adenoma: A rare case report. Medicine (Baltimore) 2017; 96:e8448. [PMID: 29069049 PMCID: PMC5671882 DOI: 10.1097/md.0000000000008448] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
RATIONALE Glucagonoma and pancreatic serous oligocystic adenoma (SOA) are rare neuroendocrine and exocrine tumors of the pancreas, respectively. The coexistence of glucagonoma syndrome (GS) and SOA is a rare clinical condition and has not yet been reported. Additionally, necrolytic migratory erythema (NME), a hallmark clinical sign of GS, is often misdiagnosed as other skin lesions by clinicians due to their lack of related knowledge, which delays diagnosis of GS and thus exacerbates the prognosis. PATIENT CONCERNS A 50-year-old male patient was admitted to our department because he presented with diabetes mellitus and a recurrent ulcerated skin rash. Prior to the accurate diagnosis, the skin manifestation was considered to be diabetic dermopathy. DIAGNOSES The patient's fasting serum glucagon level was up to 871.5 pg/mL. A biopsy of the pancreatic tumor revealed a pancreatic neuroendocrine tumor, and immunoperoxidase staining revealed glucagon-positive cells. In addition, the histological examination of the pancreatic cystic lesions showed typical features of SOA. INTERVENTIONS The patient received a pancreaticoduodenal resection and radiofrequency ablation for the hepatic nodular lesion. OUTCOMES One week after surgery, the glucagon concentration decreased to near normal levels. The cutaneous lesions spontaneously resolved within 4 weeks after surgery. LESSONS Because almost all glucagonomas are malignant or have malignant potential, their early recognition and correct diagnosis are very important for a better prognosis, especially in cases with NME as the only manifestation during the development of glucagonomas. It is therefore imperative that clinicians recognize NME early to make an accurate diagnosis.
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Affiliation(s)
- Yun Gao
- Diabetic Foot Center, Department of Endocrinology and Metabolism
| | - Chun Wang
- Diabetic Foot Center, Department of Endocrinology and Metabolism
| | - Yunyi Gao
- Diabetic Foot Center, Department of Endocrinology and Metabolism
| | | | | | - Weixia Chen
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Xingwu Ran
- Diabetic Foot Center, Department of Endocrinology and Metabolism
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23
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Zandee WT, Kamp K, van Adrichem RC, Feelders RA, de Herder WW. Effect of hormone secretory syndromes on neuroendocrine tumor prognosis. Endocr Relat Cancer 2017; 24:R261-R274. [PMID: 28483790 DOI: 10.1530/erc-16-0538] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Accepted: 05/08/2017] [Indexed: 12/12/2022]
Abstract
The treatment of hormone hypersecretory syndromes caused by neuroendocrine tumors (NETs) can be a major challenge. NETs originating from the small intestine often secrete serotonin causing flushing, diarrhea and valve fibrosis, leading to dehydration or heart failure in severe cases. NETs from the pancreas can secrete a wider variety of hormones, like insulin, glucagon and gastrin leading to distinct clinical syndromes. Historically mortality in patients with functioning NETs was high due to the complications caused by the hypersecretion of hormones. This has been reduced with several drugs: proton-pump inhibitors decrease acid secretion caused by gastrinomas. Somatostatin analogs can inhibit the secretion of multiple hormones and these are now the cornerstone for treating patients with a gastroenteropancreatic NET. However, peptide receptor radionuclide therapy (PRRT) with radiolabeled somatostatin analogs and everolimus can also decrease symptoms of hypersecretion and increase progression-free survival. Several factors affect the survival in patients with a functioning NET. Complications of hypersecretion negatively impact survival; however, secretion of hormones is also often a sign of a well-differentiated NET and due to the symptoms, functioning NETs can be detected in an earlier stage suggesting a positive effect on prognosis. The effect on survival is also dependent on the type of hormone being secreted. This review aims to study the effect of hormone secretion on the prognosis of NETs with the contemporary treatments options available today.
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Affiliation(s)
- Wouter T Zandee
- Department of Internal MedicineSector Endocrinology, ENETS Centre of Excellence, Erasmus MC, Rotterdam, the Netherlands
| | - Kimberly Kamp
- Department of Internal MedicineSector Endocrinology, ENETS Centre of Excellence, Erasmus MC, Rotterdam, the Netherlands
| | - Roxanne C van Adrichem
- Department of Internal MedicineSector Endocrinology, ENETS Centre of Excellence, Erasmus MC, Rotterdam, the Netherlands
| | - Richard A Feelders
- Department of Internal MedicineSector Endocrinology, ENETS Centre of Excellence, Erasmus MC, Rotterdam, the Netherlands
| | - Wouter W de Herder
- Department of Internal MedicineSector Endocrinology, ENETS Centre of Excellence, Erasmus MC, Rotterdam, the Netherlands
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24
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Abstract
Pancreatic neuroendocrine tumors (PNETs) are a rare, heterogeneous group of neoplasms infamous for their endocrinopathies. Up to 90% of PNETs, however, are nonfunctional and are frequently detected incidentally on axial imaging during the evaluation of vague abdominal symptoms. Surgery remains the mainstay of therapy for patients diagnosed with both functional and nonfunctional PNETs. However, the multifaceted nature of PNETs challenges treatment decision making. In general, resection is recommended for patients with acceptable perioperative risk and amenable lesions.
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Affiliation(s)
- Jason B Liu
- Department of Surgery, University of Chicago Hospitals, Chicago, IL, USA
| | - Marshall S Baker
- Department of Surgery, University of Chicago Hospitals, Chicago, IL, USA; Division of Surgical Oncology, Department of Surgery, NorthShore University Health System, Evanston, IL, USA.
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25
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Kaltsas G, Caplin M, Davies P, Ferone D, Garcia-Carbonero R, Grozinsky-Glasberg S, Hörsch D, Tiensuu Janson E, Kianmanesh R, Kos-Kudla B, Pavel M, Rinke A, Falconi M, de Herder WW. ENETS Consensus Guidelines for the Standards of Care in Neuroendocrine Tumors: Pre- and Perioperative Therapy in Patients with Neuroendocrine Tumors. Neuroendocrinology 2017; 105:245-254. [PMID: 28253514 PMCID: PMC5637287 DOI: 10.1159/000461583] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Accepted: 02/10/2017] [Indexed: 01/25/2023]
Abstract
Neuroendocrine tumors of the small intestine are the most common causes of the carcinoid syndrome. Carcinoid heart disease occurs in more than half of the patients with the carcinoid syndrome. Patients with carcinoid heart disease who need to undergo surgery should also undergo preoperative evaluation by an expert cardiologist. Treatment with long-acting somatostatin analogs aims at controlling the excessive hormonal output and symptoms related to the carcinoid syndrome and at preventing a carcinoid crisis during interventions. Patients with a gastrinoma require pre- and postoperative treatment with high doses of proton pump inhibitors. Patients with a glucagonoma require somatostatin analog treatment and nutritional supplementation. Patients with a VIPoma also require somatostatin analog treatment and intravenous fluid and electrolyte therapy. Insulinoma patients generally require intravenous glucose infusion prior to operation. In patients with localized operable insulinoma, somatostatin analog infusion should only be considered after the effect of this therapy has been electively studied.
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Affiliation(s)
- Gregory Kaltsas
- Endocrine Unit, Department of Pathophysiology, National and Kapodistrian University of Athens, Athens, Greece
- *Gregory Kaltsas, Sector of Endocrinology, Department of Pathophysiology, National and Kapodistrian University of Athens, Mikras Assias 75, Goudi, GR-11527 Athens (Greece), E-Mail
| | - Martyn Caplin
- Neuroendocrine Tumour Unit, Royal Free Hospital, London, UK
| | | | - Diego Ferone
- Endocrinology Unit, Department of Internal Medicine and Medical Specialties (DiMI), Center of Excellence for Biomedical Research (CEBR), IRCCS AOU San Martino-IST, University of Genova, Genova, Italy
| | | | - Simona Grozinsky-Glasberg
- Neuroendocrine Unit, Endocrinology and Metabolism Service, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Dieter Hörsch
- Gastroenterology and Endocrinology Center for Neuroendocrine Tumors Bad Berka, Bad Berka, Germany
| | - Eva Tiensuu Janson
- Department of Endocrine Oncology, Uppsala University Hospital, Uppsala, Sweden
| | - Reza Kianmanesh
- Department of Digestive and Endocrine Surgery, Robert Debré Hospital, Reims, France
| | - Beata Kos-Kudla
- Department of Pathophysiology and Endocrinology, Division of Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Marianne Pavel
- Department of Hepatology and Gastroenterology, Campus Virchow Klinikum, Charité Universitätsmedizin Berlin, Berlin
| | - Anja Rinke
- Department of Gastroenterology, UKGM Marburg and Philipps University Marburg, Marburg, Germany
| | - Massimo Falconi
- Chirurgia del Pancreas, Pancreas Translational and Clinical Research Center, Ospedale San Raffaele, Università “Vita e Salute”, Milano, Italy
| | - Wouter W. de Herder
- ENETS Centre of Excellence, Erasmus MC Cancer Centre, Rotterdam, The Netherlands
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Dimitriadis GK, Weickert MO, Randeva HS, Kaltsas G, Grossman A. Medical management of secretory syndromes related to gastroenteropancreatic neuroendocrine tumours. Endocr Relat Cancer 2016; 23:R423-36. [PMID: 27461388 DOI: 10.1530/erc-16-0200] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Accepted: 07/26/2016] [Indexed: 12/14/2022]
Abstract
Although recent epidemiological evidence indicates that the prevalence of non-functioning gastroenteropancreatic (GEP) neuroendocrine tumours (NETs) is rising, a significant number of GEP-NETs still present with symptoms related to the secretion of biologically active substances leading to the development of distinct clinical syndromes. In the past, these syndromes were associated with substantial morbidity and mortality due to the lack of specific therapies; however, since the introduction of long-acting somatostatin analogues and medications such as proton pump inhibitors, their control has been greatly improved. As a result, nowadays, the main cause of morbidity and mortality in GEP-NETs is mostly directly related to tumour growth and the extent of metastatic disease. However, in some patients with functioning tumours and extensive disease, control of the secretory syndrome still remains problematic, necessitating the employment of several cytoreductive techniques, which may not always be sufficient. Recently, new agents directed against tumour growth, or exerting increased binding activity to receptors expressed in these tumours, or interfering with the synthetic pathway of some of the compounds secreted by these tumours, have been developed. Since there are no specific guidelines addressing the totality of the management of the secretory syndromes related to GEP-NETs, this review aims at critically analysing the medical management of previously recognised secretory syndromes; it also addresses areas of uncertainty, assesses the newer therapeutic developments and also addresses recently described but poorly characterised secretory syndromes related to GEP-NETs.
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Affiliation(s)
- Georgios K Dimitriadis
- The Arden NET CoEWarwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism, University Hospitals of Coventry and Warwickshire NHS Trust, Coventry, UK Division of Translational and Experimental MedicineWarwick Medical School, University of Warwick, Coventry, UK Division of Endocrinology and Investigative MedicineImperial College London, Hammersmith Campus, London, UK
| | - Martin O Weickert
- The Arden NET CoEWarwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism, University Hospitals of Coventry and Warwickshire NHS Trust, Coventry, UK Division of Translational and Experimental MedicineWarwick Medical School, University of Warwick, Coventry, UK Centre for Applied Biological and Exercise SciencesCoventry University, Coventry, UK
| | - Harpal S Randeva
- The Arden NET CoEWarwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism, University Hospitals of Coventry and Warwickshire NHS Trust, Coventry, UK Division of Translational and Experimental MedicineWarwick Medical School, University of Warwick, Coventry, UK Centre for Applied Biological and Exercise SciencesCoventry University, Coventry, UK
| | - Gregory Kaltsas
- The Arden NET CoEWarwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism, University Hospitals of Coventry and Warwickshire NHS Trust, Coventry, UK Division of PathophysiologyNational and Kapodistrian University of Athens Medical School, Athens, Greece Oxford Center for DiabetesEndocrinology and Metabolism, University of Oxford, Oxford, UK
| | - Ashley Grossman
- Oxford Center for DiabetesEndocrinology and Metabolism, University of Oxford, Oxford, UK
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Parbhu SK, Adler DG. Pancreatic neuroendocrine tumors: contemporary diagnosis and management. Hosp Pract (1995) 2016; 44:109-19. [PMID: 27404266 DOI: 10.1080/21548331.2016.1210474] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Pancreatic neuroendocrine tumors (PNETs) are neoplasms that arise from the hormone producing cells of the islets of Langerhans, also known as pancreatic islet cells. PNETs are considered a subgroup of neuroendocrine tumors, and have unique biology, natural history and clinical management. These tumors are classified as 'functional' or 'non-functional' depending on whether they release peptide hormones that produce specific hormone- related symptoms, usually in established patterns based on tumor subtype. This manuscript will review pancreatic neuroendocrine tumor subtypes, syndromes, diagnosis, and clinical management.
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Affiliation(s)
- Sheeva K Parbhu
- a Department of Internal Medicine, Division of Gastroenterology and Hepatology , University of Utah School of Medicine, Huntsman Cancer Center , Salt Lake City , Utah , USA
| | - Douglas G Adler
- a Department of Internal Medicine, Division of Gastroenterology and Hepatology , University of Utah School of Medicine, Huntsman Cancer Center , Salt Lake City , Utah , USA
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28
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John A, Schwartz R. Glucagonoma syndrome: a review and update on treatment. J Eur Acad Dermatol Venereol 2016; 30:2016-2022. [DOI: 10.1111/jdv.13752] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Accepted: 12/18/2015] [Indexed: 01/26/2023]
Affiliation(s)
- A.M. John
- Dermatology and Pathology; Rutgers-New Jersey Medical School; Newark NJ USA
| | - R.A. Schwartz
- Dermatology and Pathology; Rutgers-New Jersey Medical School; Newark NJ USA
- Rutgers University School of Public Affairs and Administration; Newark NJ USA
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Abstract
Islet cell tumors of the pancreas, also known as pancreatic neuroendocrine tumors, constitute less than 5% of pancreatic tumors, and 7% of all neuroendocrine tumors. Most are non-functional, and patients often present with metastatic disease. Functional tumors present with distinct clinical syndromes. Accurate staging is critical as surgery is both the cornerstone of treatment, and the only hope for cure. Medical management involves treating the manifestations of hormonal excess, and using somatastatin analogues when appropriate. Systemic chemotherapy, targeted molecular therapy, and peptide receptor radiotherapy may be used for refractory disease in lieu of or as an adjunct to surgery.
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Affiliation(s)
- Sunil Amin
- Division of Gastroenterology, Department of Medicine Icahn School of Medicine at Mount Sinai, One Gustave Levy Place, Box 1069, New York, NY 10029, USA
| | - Michelle Kang Kim
- Division of Gastroenterology, Department of Medicine Icahn School of Medicine at Mount Sinai, One Gustave Levy Place, Box 1069, New York, NY 10029, USA.
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Abstract
When diagnosed at an early stage, resection of pancreatic neuroendocrine tumors (NETs) is often curative. Unfortunately, curative surgery is rarely an option for patients with metastatic disease. Multiple options are available for the management of patients with advanced pancreatic NETs, including surgery, liver-directed therapy, and systemic therapies. Because of the heterogeneity of disease biology and presentation, a multidisciplinary approach to management is critical. Treatment with somatostatin analogs, sunitinib, everolimus, and alkylating agents provide effective systemic therapeutic options for patients. Future studies to evaluate the optimal timing, sequence, and combination of therapies, as well as to identify predictors of response, are warranted.
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31
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Anderson CW, Bennett JJ. Clinical Presentation and Diagnosis of Pancreatic Neuroendocrine Tumors. Surg Oncol Clin N Am 2016; 25:363-74. [PMID: 27013370 DOI: 10.1016/j.soc.2015.12.003] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Pancreatic neuroendocrine tumors are a rare group of neoplasms that arise from multipotent stem cells in the pancreatic ductal epithelium. Although they comprise only 1% to 2% of pancreatic neoplasms, their incidence is increasing. Most pancreatic neuroendocrine tumors are nonfunctioning, but they can secrete various hormones resulting in unique clinical syndromes. Clinicians must be aware of the diverse manifestations of this disease, as the key step to management of these rare tumors is to first suspect the diagnosis.
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Affiliation(s)
- Carinne W Anderson
- Department of Surgery, Helen F. Graham Cancer Center, 4701 Ogletown-Stanton Road, S-4000, Newark, DE 19713, USA.
| | - Joseph J Bennett
- Department of Surgery, Helen F. Graham Cancer Center, 4701 Ogletown-Stanton Road, S-4000, Newark, DE 19713, USA
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Clinical features of gastroenteropancreatic tumours. GASTROENTEROLOGY REVIEW 2015; 10:127-34. [PMID: 26516377 PMCID: PMC4607697 DOI: 10.5114/pg.2015.52346] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/12/2014] [Revised: 11/05/2014] [Accepted: 12/08/2014] [Indexed: 01/04/2023]
Abstract
Gastroenteropancreatic (GEP) endocrine tumours (carcinoids and pancreatic islet cell tumours) are composed of multipotent neuroendocrine cells that exhibit a unique ability to produce, store, and secrete biologically active substances and cause distinct clinical syndromes. The classification of GEP tumours as functioning or non-functioning is based on the presence of symptoms that accompany these syndromes secondary to the secretion of hormones, neuropeptides and/or neurotransmitters (functioning tumours). Non-functioning tumours are considered to be neoplasms of neuroendocrine differentiation that are not associated with obvious symptoms attributed to the hypersecretion of metabolically active substances. However, a number of these tumours are either capable of producing low levels of such substances, which can be detected by immunohistochemistry but are insufficient to cause symptoms related to a clinical syndrome, or alternatively, they may secrete substances that are either metabolically inactive or inappropriately processed. In some cases, GEP tumours are not associated with the production of any hormone or neurotransmitter. Both functioning and non-functioning tumours can also produce symptoms due to mass effects compressing vital surrounding structures. Gastroenteropancreatic tumours are usually classified further according to the anatomic site of origin: foregut (including respiratory tract, thymus, stomach, duodenum, and pancreas), midgut (including small intestine, appendix, and right colon), and hindgut (including transverse colon, sigmoid, and rectum). Within these subgroups the biological and clinical characteristics of the tumours vary considerably, but this classification is still in use because a significant number of previous studies, mainly observational, have used it extensively.
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Abstract
Neuroendocrine tumors (NETs) are slow-growing neoplasms capable of storing and secreting different peptides and neuroamines. Some of these substances cause specific symptom complexes, whereas others are silent. They usually have episodic expression, and the diagnosis is often made at a late stage. Although considered rare, the incidence of NETs is increasing. For these reasons, a high index of suspicion is needed. In this article, the different clinical syndromes and the pathophysiology of each tumor as well as the new and emerging biochemical markers and imaging techniques that should be used to facilitate an early diagnosis, follow-up, and prognosis are reviewed.
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Sandoval DA, D'Alessio DA. Physiology of proglucagon peptides: role of glucagon and GLP-1 in health and disease. Physiol Rev 2015; 95:513-48. [PMID: 25834231 DOI: 10.1152/physrev.00013.2014] [Citation(s) in RCA: 307] [Impact Index Per Article: 34.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The preproglucagon gene (Gcg) is expressed by specific enteroendocrine cells (L-cells) of the intestinal mucosa, pancreatic islet α-cells, and a discrete set of neurons within the nucleus of the solitary tract. Gcg encodes multiple peptides including glucagon, glucagon-like peptide-1, glucagon-like peptide-2, oxyntomodulin, and glicentin. Of these, glucagon and GLP-1 have received the most attention because of important roles in glucose metabolism, involvement in diabetes and other disorders, and application to therapeutics. The generally accepted model is that GLP-1 improves glucose homeostasis indirectly via stimulation of nutrient-induced insulin release and by reducing glucagon secretion. Yet the body of literature surrounding GLP-1 physiology reveals an incompletely understood and complex system that includes peripheral and central GLP-1 actions to regulate energy and glucose homeostasis. On the other hand, glucagon is established principally as a counterregulatory hormone, increasing in response to physiological challenges that threaten adequate blood glucose levels and driving glucose production to restore euglycemia. However, there also exists a potential role for glucagon in regulating energy expenditure that has recently been suggested in pharmacological studies. It is also becoming apparent that there is cross-talk between the proglucagon derived-peptides, e.g., GLP-1 inhibits glucagon secretion, and some additive or synergistic pharmacological interaction between GLP-1 and glucagon, e.g., dual glucagon/GLP-1 agonists cause more weight loss than single agonists. In this review, we discuss the physiological functions of both glucagon and GLP-1 by comparing and contrasting how these peptides function, variably in concert and opposition, to regulate glucose and energy homeostasis.
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Affiliation(s)
- Darleen A Sandoval
- Division of Endocrinology and Metabolism, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - David A D'Alessio
- Division of Endocrinology and Metabolism, University of Cincinnati College of Medicine, Cincinnati, Ohio
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Cardoso Filho FDA, Feitosa RGF, Fechine COC, Matos CMMD, Cardoso AL, Cardoso DL. Glucagonoma syndrome associated with necrolytic migratory erythema. Rev Assoc Med Bras (1992) 2015; 61:203-6. [DOI: 10.1590/1806-9282.61.03.203] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Accepted: 04/27/2015] [Indexed: 11/22/2022] Open
Abstract
Summary Introduction: glucagonoma is a pancreatic neuroendocrine tumor derived from alpha-cells of the islets of Langerhans. It is marked by tumoral autonomous production of glucagon and characterized, among other symptoms, by necrolytic migratory erythema, an erythematous circinate lesion with areas of necrosis and sloughing. This is a rare disease with worldwide incidence estimated at 1 case per 20 million people. Case report: we report a case of glucagonoma associated necrolytic migratory erythema in a male patient, 56 years, with signs of skin lesions mainly on his legs and groin, hyperglycemia and weight loss. Biopsies of the skin lesions were performed and imaging of the abdomen showed a mass of 10 x 9 cm, at the pancreatic region. The patient was subjected to body-caudal pancreatectomy and splenectomy with autotransplant of the spleen in the greater omentum. The histopathologic report indicated a tumor in the pancreatic alpha cells. Immunohistochemistry showed expression of glucagon and chromogranin A in most tumor cells, consistent with the diagnosis of glucagonoma. The patient presented 3 years of outpatient follow-up with no complications. Conclusion: the necrolytic migratory erythema is important for the clinical recognition of glucagonoma, and its early diagnosis is essential for a successful curative therapy.
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36
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Grozinsky-Glasberg S, Mazeh H, Gross DJ. Clinical features of pancreatic neuroendocrine tumors. JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES 2015; 22:578-85. [DOI: 10.1002/jhbp.226] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Accepted: 01/14/2015] [Indexed: 12/18/2022]
Affiliation(s)
- Simona Grozinsky-Glasberg
- Neuroendocrine Tumor Unit, Endocrinology and Metabolism Service, Department of Medicine; Hadassah-Hebrew University Medical Center; P.O.B. 12000 Jerusalem 91120 Israel
| | - Haggi Mazeh
- Department of Surgery; Hadassah-Hebrew University Medical Center; Jerusalem Israel
| | - David J. Gross
- Neuroendocrine Tumor Unit, Endocrinology and Metabolism Service, Department of Medicine; Hadassah-Hebrew University Medical Center; P.O.B. 12000 Jerusalem 91120 Israel
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37
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Non-secreting benign glucagonoma diagnosed incidentally in a patient with refractory thrombocytopenic thrombotic purpura: report of a case. Surg Today 2014; 45:1317-20. [PMID: 25373364 DOI: 10.1007/s00595-014-1073-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2013] [Accepted: 07/21/2014] [Indexed: 10/24/2022]
Abstract
Thrombotic thrombocytopenic purpura (TTP) is a rare hematologic disorder, which may be idiopathic or secondary to a variety of diseases. However, there are very few reports of TTP in the context of pancreatic neoplasms. We report a case of relapsing TTP after initial treatment with plasmapheresis, corticosteroids, and rituximab, in a 59-year-old woman. During diagnostic work-up, a pancreatic lesion 35 × 25 mm in size was discovered incidentally and splenopancreatectomy was performed. The pathological diagnosis was benign glucagonoma. The hematological symptoms resolved completely after the procedure and 3 years later, the patient is well with no sign of recurrence of TTP or glucagonoma. To our knowledge, this represents the first documented case of a non-secreting benign pancreatic neuroendocrine tumor (glucagonoma) associated with TTP that is refractory to standard treatment.
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38
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Meeker A, Heaphy C. Gastroenteropancreatic endocrine tumors. Mol Cell Endocrinol 2014; 386:101-20. [PMID: 23906538 DOI: 10.1016/j.mce.2013.07.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2013] [Revised: 07/19/2013] [Accepted: 07/22/2013] [Indexed: 02/06/2023]
Abstract
Gastroenteropancreatic endocrine tumors (GEP-NETs) are relatively uncommon; comprising approximately 0.5% of all human cancers. Although they often exhibit relatively indolent clinical courses, GEP-NETs have the potential for lethal progression. Due to their scarcity and various technical challenges, GEP-NETs have been understudied. As a consequence, we have few diagnostic, prognostic and predictive biomarkers for these tumors. Early detection and surgical removal is currently the only reliable curative treatment for GEP-NET patients; many of whom, unfortunately, present with advanced disease. Here, we review the genetics and epigenetics of GEP-NETs. The last few years have witnessed unprecedented technological advances in these fields, and their application to GEP-NETS has already led to important new information on the molecular abnormalities underlying them. As outlined here, we expect that "omics" studies will provide us with new diagnostic and prognostic biomarkers, inform the development of improved pre-clinical models, and identify novel therapeutic targets for GEP-NET patients.
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Affiliation(s)
- Alan Meeker
- The Johns Hopkins University School of Medicine, Department of Pathology, Bond Street Research Annex Bldg., Room B300, 411 North Caroline Street, Baltimore, MD 21231, United States.
| | - Christopher Heaphy
- The Johns Hopkins University School of Medicine, Department of Pathology, Bond Street Research Annex Bldg., Room B300, 411 North Caroline Street, Baltimore, MD 21231, United States
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Abstract
CONTEXT Pancreatic α-cell hyperplasia (ACH) was once an esoteric pathological entity, but it has become an important differential diagnosis of hyperglucagonemia after inactivating glucagon receptor (GCGR) genomic mutations were found in patients with ACH. Recently, the controversy over the pancreatic effects of incretins has stimulated much discussion of ACH that often includes inaccurate statements not supported by the literature. DATA ACQUISITION Literature related to ACH was reviewed. EVIDENCE SYNTHESIS ACH is defined as a diffuse and specific increase in the number of α-cells. A dozen cases have been reported and fall into three clinical types: reactive, functional, and nonfunctional. Characterized by remarkable hyperglucagonemia without glucagonoma syndrome, reactive ACH is caused by inactivating GCGR mutations, and its main clinical significance is pancreatic neuroendocrine tumors diagnosed at middle age. The Gcgr(-/-) mice, a model of reactive ACH, exhibit a multistage tumorigenesis in their pancreata. Pharmacological agents that inhibit glucagon signaling also cause reactive ACH in animals and possibly in humans as well. The pancreata of incretin-treated humans and those of reactive ACH murine models share similarities. Functional ACH features hyperglucagonemia with glucagonoma syndrome. Nonfunctional ACH is associated with normal glucagon levels. The causes of functional and nonfunctional ACH are unknown as yet. CONCLUSIONS ACH is a histological diagnosis and clinically heterogeneous. Caused by GCGR mutations, reactive ACH is a preneoplastic lesion giving rise to slow-developing pancreatic neuroendocrine tumors. The effects of treatments targeting glucagon signaling in this regard remain controversial. The strong negative feedback control of glucagon signaling conserved in all mammals studied, including humans, makes long-term pancreatic tumor surveillance advisable for the glucagon signaling-targeting therapies.
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Affiliation(s)
- Run Yu
- Division of Endocrinology and Carcinoid and Neuroendocrine Tumor Center, Cedars-Sinai Medical Center, Los Angeles, California 90048
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40
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Halvorson SAC, Gilbert E, Hopkins RS, Liu H, Lopez C, Chu M, Martin M, Sheppard B. Putting the pieces together: necrolytic migratory erythema and the glucagonoma syndrome. J Gen Intern Med 2013; 28:1525-9. [PMID: 23681843 PMCID: PMC3797362 DOI: 10.1007/s11606-013-2490-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2012] [Revised: 03/19/2013] [Accepted: 04/30/2013] [Indexed: 12/29/2022]
Abstract
Glucagonomas are slow-growing, rare pancreatic neuroendocrine tumors. They may present with paraneoplastic phenomena known together as the "glucagonoma syndrome." A hallmark sign of this syndrome is a rash known as necrolytic migratory erythema (NME). In this paper, the authors describe a patient with NME and other features of the glucagonoma syndrome. The diagnosis of this rare tumor requires an elevated serum glucagon level and imaging confirming a pancreatic tumor. Surgical and medical treatment options are reviewed. When detected early, a glucagonoma is surgically curable. It is therefore imperative that clinicians recognize the glucagonoma syndrome in order to make an accurate diagnosis and refer for treatment.
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Affiliation(s)
- Stephanie A C Halvorson
- Division of Hospital Medicine, Department of Medicine, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, BTE-119, Portland, OR, 97239, USA,
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41
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Compton NL, Chien AJ. A rare but revealing sign: necrolytic migratory erythema. Am J Med 2013; 126:387-9. [PMID: 23477490 DOI: 10.1016/j.amjmed.2013.01.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2012] [Revised: 01/16/2013] [Accepted: 01/16/2013] [Indexed: 11/24/2022]
Affiliation(s)
- Nicholas L Compton
- Division of Dermatology, Department of Medicine, University of Washington School of Medicine, Seattle, WA 98109, USA.
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42
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Erdas E, Aste N, Pilloni L, Nicolosi A, Licheri S, Cappai A, Mastinu M, Cetani F, Pardi E, Mariotti S, Pomata M. Functioning glucagonoma associated with primary hyperparathyroidism: multiple endocrine neoplasia type 1 or incidental association? BMC Cancer 2012; 12:614. [PMID: 23259638 PMCID: PMC3543729 DOI: 10.1186/1471-2407-12-614] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Accepted: 12/18/2012] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Diagnosis of multiple endocrine neoplasia type 1 (MEN1) is commonly based on clinical criteria, and confirmed by genetic testing. In patients without known MEN1-related germline mutations, the possibility of a casual association between two or more endocrine tumors cannot be excluded and subsequent management may be difficult to plan. We describe a very uncommon case of functioning glucagonoma associated with primary hyperparathyroidism (pHPT) in which genetic testing failed to detect germline mutations of MEN-1 and other known genes responsible for MEN1. CASE PRESENTATION The patient, a 65-year old woman, had been suffering for more than 1 year from weakness, progressive weight loss, angular cheilitis, glossitis and, more recently, skin rashes on the perineum, perioral skin and groin folds. After multidisciplinary investigations, functioning glucagonoma and asymptomatic pHPT were diagnosed and, since family history was negative, sporadic MEN1 was suspected. However, genetic testing revealed neither MEN-1 nor other gene mutations responsible for rarer cases of MEN1 (CDKN1B/p27 and other cyclin-dependent kinase inhibitor genes CDKN1A/p15, CDKN2C/p18, CDKN2B/p21). The patient underwent distal splenopancreatectomy and at the 4-month follow-up she showed complete remission of symptoms. Six months later, a thyroid nodule, suspected to be a malignant neoplasia, and two hyperfunctioning parathyroid glands were detected respectively by ultrasound with fine needle aspiration cytology and 99mTc-sestamibi scan with SPECT acquisition. Total thyroidectomy was performed, whereas selective parathyroidectomy was preferred to a more extensive procedure because the diagnosis of MEN1 was not supported by genetic analysis and intraoperative intact parathyroid hormone had revealed "adenoma-like" kinetics after the second parathyroid resection. Thirty-nine and 25 months after respectively the first and the second operation, the patient is well and shows no signs or symptoms of recurrence. CONCLUSIONS Despite well-defined diagnostic criteria and guidelines, diagnosis of MEN1 can still be challenging. When diagnosis is doubtful, appropriate management may be difficult to establish.
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Affiliation(s)
- Enrico Erdas
- General Surgery Unit, Department of Surgical Sciences, San Giovanni di Dio Hospital, University of Cagliari, Cagliari, Italy.
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Ro C, Chai W, Yu VE, Yu R. Pancreatic neuroendocrine tumors: biology, diagnosis,and treatment. CHINESE JOURNAL OF CANCER 2012; 32:312-24. [PMID: 23237225 PMCID: PMC3845620 DOI: 10.5732/cjc.012.10295] [Citation(s) in RCA: 100] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Pancreatic neuroendocrine tumors (PNETs), a group of endocrine tumors arising in the pancreas, are among the most common neuroendocrine tumors. The genetic causes of familial and sporadic PNETs are somewhat understood, but their molecular pathogenesis remains unknown. Most PNETs are indolent but have malignant potential. The biological behavior of an individual PNET is unpredictable; higher tumor grade, lymph node and liver metastasis, and larger tumor size generally indicate a less favorable prognosis. Endocrine testing, imaging, and histological evidence are necessary to accurately diagnose PNETs. A 4-pronged aggressive treatment approach consisting of surgery, locoregional therapy, systemic therapy, and complication control has become popular in academic centers around the world. The optimal application of the multiple systemic therapeutic modalities is under development; efficacy, safety, availability, and cost should be considered when treating a specific patient. The clinical presentation, diagnosis, and treatment of specific types of PNETs and familial PNET syndromes, including the novel Mahvash disease, are summarized.
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Affiliation(s)
- Cynthia Ro
- Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA.
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44
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Frilling A, Akerström G, Falconi M, Pavel M, Ramos J, Kidd M, Modlin IM. Neuroendocrine tumor disease: an evolving landscape. Endocr Relat Cancer 2012; 19:R163-85. [PMID: 22645227 DOI: 10.1530/erc-12-0024] [Citation(s) in RCA: 104] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) represent a heterogenous group of tumors arising from a variety of neuroendocrine cell types. The incidence and prevalence of GEP-NENs have markedly increased over the last three decades. Symptoms are often absent in early disease, or vague and nonspecific even in advanced disease. Delayed diagnosis is thus common. Chromogranin A is the most commonly used biomarker but has limitations as does the proliferative marker Ki-67%, which is often used for tumor grading and determination of therapy. The development of a multidimensional prognostic nomogram may be valuable in predicting tumor behavior and guiding therapy but requires validation. Identification of NENs that express somatostatin receptors (SSTR) allows for SSTR scintigraphy and positron emission tomography imaging using novel radiolabeled compounds. Complete surgical resection of limited disease or endoscopic ablation of small lesions localized in stomach or rectum can provide cure; however, the majority of GEP-NENs are metastatic (most frequently the liver and/or mesenteric lymph nodes) at diagnosis. Selected patients with metastatic disease may benefit from advanced surgical techniques including hepatic resection or liver transplantation. Somatostatin analogs are effective for symptomatic treatment and exhibit some degree of antiproliferative activity in small intestinal NENs. There is a place for streptozotocin, temozolomide, and capecitabine in the management of pancreatic NENs, while new agents targeting either mTOR (everolimus) or angiogenic (sunitinib) pathways have shown efficacy in these lesions.
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Affiliation(s)
- Andrea Frilling
- Department of Surgery and Cancer, Imperial College London, Hammersmith Campus, London, UK
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Qadan M, Visser B, Kim J, Pai R, Triadafilopoulos G. Abdominal mass, anemia, diabetes mellitus, and necrolytic migratory erythema. Dig Dis Sci 2012; 57:1465-8. [PMID: 22089253 DOI: 10.1007/s10620-011-1967-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2011] [Accepted: 11/01/2011] [Indexed: 12/09/2022]
Affiliation(s)
- Motaz Qadan
- Department of Surgery, Stanford University School of Medicine, Stanford, CA 94305, USA.
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Azemoto N, Kumagi T, Yokota T, Kuroda T, Koizumi M, Yamanishi H, Soga Y, Furukawa S, Abe M, Ikeda Y, Hiasa Y, Matsuura B, Watanabe J, Kushihata F, Onji M. An unusual case of subclinical diffuse glucagonoma coexisting with two nodules in the pancreas: characteristic features on computed tomography. Clin Res Hepatol Gastroenterol 2012; 36:e43-7. [PMID: 22239827 DOI: 10.1016/j.clinre.2011.12.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2011] [Revised: 12/02/2011] [Accepted: 12/05/2011] [Indexed: 02/04/2023]
Abstract
A lesion was discovered in the tail of the pancreas by ultrasonography performed during a health checkup for a 59-year-old Japanese man. Abdominal contrast-enhanced computed tomography (CE-CT) revealed strong enhancement in a 4-cm tumor in the pancreatic tail and in a 1-cm tumor in the pancreatic body. Serum glucagon levels were elevated to 54,405 pg/mL and a preoperative diagnosis of glucagonoma was made. The pancreatic tail and spleen were resected en bloc, along with a protruding tumor in the pancreatic body. However, histopathological evaluation revealed diffuse glucagonoma throughout the pancreas. When we retrospectively reviewed abdominal CE-CT after the operation, the entire pancreas was seen to be enlarged and diffusely enhanced by strong spots. Immunohistochemical examination using anti-CD31 demonstrated rich microvessels in two solid glucagonomas as well as microglucagonoma throughout the entire pancreas, indicating hypervascularity. Enlarged pancreas and diffuse enhancement of the pancreas by strong spots may be characteristic features of diffuse glucagonoma on abdominal CE-CT.
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Affiliation(s)
- N Azemoto
- Endoscopy Center, Ehime University Hospital, Shitsukawa, Toon, Ehime, Japan
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Grewal P, Salopek TG. Is necrolytic migratory erythema due to glucagonoma a misnomer? A more apt name might be mucosal and intertriginous erosive dermatitis. J Cutan Med Surg 2012; 16:76-82. [PMID: 22513058 DOI: 10.2310/7750.2011.10134] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND In dermatology, many conditions are given names that ultimately prove to be a misnomer (eg, mycosis fungoides, pyogenic granuloma). For most misnomers, continued use of the inappropriate word(s) rarely results in a delay in diagnosis and/or treatment. An argument can be made that the term necrolytic migratory erythema (NME) due to glucagonoma results in a delay in diagnosis, often with fatal consequences. OBJECTIVE We reviewed the literature of the past 30 years concerning the dermatologic and histologic findings of NME in association with glucagonoma. The most striking feature evident in nearly all reported cases is the presence of mucosal lesions and annular, eroded, eczematous patches and plaques of intertriginous areas. CONCLUSION We propose the renaming of the eruption associated with glucagonoma to one that emphasizes its unique localization to the mucosa and intertriginous areas: mucosal and intertriginous erosive dermatitis. It is hoped that this will lead to a more timely recognition of the condition and a possible improvement in prognosis.
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Affiliation(s)
- Parbeer Grewal
- Division of Dermatology and Cutaneous Sciences, Department of Medicine, University of Alberta, Edmonton, AB
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de Wilde RF, Edil BH, Hruban RH, Maitra A. Well-differentiated pancreatic neuroendocrine tumors: from genetics to therapy. Nat Rev Gastroenterol Hepatol 2012; 9:199-208. [PMID: 22310917 PMCID: PMC3544293 DOI: 10.1038/nrgastro.2012.9] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Well-differentiated pancreatic neuroendocrine tumors (PanNETs) comprise ∼1-3% of pancreatic neoplasms. Although long considered as reasonably benign lesions, PanNETs have considerable malignant potential, with a 5-year survival of ∼65% and a 10-year survival of 45% for resected lesions. As PanNETs have a low incidence, they have been understudied, with few advances made until the completion of their exomic sequencing in the past year. In this Review, we summarize some of the latest insights into the genetics of PanNETs, and their probable implications in the context of prognosis and therapy. In particular, we discuss two genes (DAXX and ATRX) that have collectively been identified as mutated in >40% of PanNETs, and the biological and prognostic implications of these novel mutations. The identification of recurrent somatic mutations within the mTOR signaling pathway and the therapeutic implications for personalized therapy in patients with PanNETs are also discussed. Finally, this Review outlines state-of-the-art advances in the biology of PanNETs that are of emerging translational importance.
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Abstract
Pancreatic endocrine tumors (PETs) are uncommon and have an incidence of approximately 4-5 per 1 000 000 people, accounting for 1%-2% of all pancreatic neoplasms. They usually grow slowly, eventually metastasize and lead to death. PETs can be classified as functioning or non-functioning tumors based on clinical manifestation. The pathogenesis of PETs may involve abnormal expression of CD10, CD44, CD99, p27, COX2, Ki-67, KIT, CK19, ARHI, RUNX1T1, and survivin genes, loss of heterozygosity on chromosomes, hypermethylation of tumor suppressor genes, and overexpression of ghrelin. Chromogranin A (CgA) has long been used as an important broad-spectrum marker for the identification of PETs. KIT and endoglin are new independent prognostic markers for PETs. The diagnosis is based on histopathology demonstrating neuroendocrine features such as positive staining for chromogranin A and specific hormones such as gastrin, proinsulin, vasoactive intestinal peptide (VIP) and glucagon. In addition to standard localization procedures, radiology diagnosis including computed tomography (CT), positron emission tomography and computed tomography (PET/CT), magnetic resonance imaging (MRI), ultrasound (US), endoscopic ultrasound (EUS), laparoscopic ultrasound (LUS), dynamic enhanced spiral CT, selective arterial stimulation and venous sampling (ASVS), and somatostatin receptor scintigraphy (SRS) are performed. Surgery is still one of the cornerstones in the management of PETs. Laparoscopy, and drugs of somatostatin analogs are routinely used. Understanding of the recent advances of PETs has important implications for the early diagnosis and treatment of PETs.
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Eldor R, Glaser B, Fraenkel M, Doviner V, Salmon A, Gross DJ. Glucagonoma and the glucagonoma syndrome - cumulative experience with an elusive endocrine tumour. Clin Endocrinol (Oxf) 2011; 74:593-8. [PMID: 21470282 DOI: 10.1111/j.1365-2265.2011.03967.x] [Citation(s) in RCA: 86] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Glucagonoma is a pancreatic neuroendocrine tumour that arises from alpha cells in the pancreas and is often accompanied by a characteristic clinical syndrome. DESIGN In this report, we present the cumulative experience and clinical characteristics of six patients diagnosed with glucagonoma and the glucagonoma syndrome and treated at our centre during the past 25 years. RESULTS Although the course of the disease was variable, some features were similar. The median age at diagnosis was 53·5 years; the median time from onset of symptoms to diagnosis was 39 months. Presenting symptoms were as follows: weight loss 5/6 (83%), necrotizing migratory erythema (NME) 5/6 (83%), diabetes mellitus 4/6 (66%) and diarrhoea, weakness and thrombosis 2/6 (33%). Plasma glucagon was elevated in all patients upon diagnosis (range 200-10,000 pm; N < 50). Skin biopsy was diagnostic only in 1/6 specimens obtained, even after revision. Metastatic disease developed in all patients; 4/6 initially presented with hepatic metastasis. All patient symptoms responded to somatostatin analogue therapy. In 4/6, the NME responded to amino acid solutions. Other modes of therapy were as follows: surgery in 3/6 patients, peptide receptor radioligand therapy with (90) Y-DOTATOC (PRRT) in 3/6 patients (two responses) and chemotherapy in three patients (two responded). Four out of six patients died of the disease, and median survival time was 6·25 years (range 2-11) from diagnosis and 8 years (range 8-16) from initial symptoms. Five-year survival was 66%. CONCLUSION Our data indicate that somatostatin analogues and an aggressive surgical approach offer symptom relief and tumour control. Among other available treatment modalities, PRRT seems to hold the most promise.
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Affiliation(s)
- Roy Eldor
- Endocrinology & Metabolism Service, Department of Medicine, Hadassah-Hebrew University Medical Center, Jerusalem, Israel.
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