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Foley E, Hari Dass P, O'Sullivan E. Parathyroid Hormone-Related Peptide Secretion From a Pancreatic Neuroendocrine Tumor: A Rare Case Report of Severe Hypercalcemia. AACE Clin Case Rep 2024; 10:160-163. [PMID: 39100635 PMCID: PMC11294741 DOI: 10.1016/j.aace.2024.04.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 04/21/2024] [Accepted: 04/29/2024] [Indexed: 08/06/2024] Open
Abstract
Background/Objective Hypercalcemia is a common occurrence associated with malignancy, due to a number of causes: (1) lytic bone metastases, (2) production of 1,25-dihydroxyvitamin D from lymphoma, and (3) parathyroid hormone-related peptide (PTHrP) secretion usually from solid tumors. Case Report A 56-year-old woman presented with symptoms of severe hypercalcemia. Investigations determined that this was due to PTHrP secretion from a pancreatic neuroendocrine tumor (pNET), a noted complication in 1.1% of pNET cases. Although unfit for curative therapy, the patient was treated with fluid replacement, bisphosphonates, calcitonin, and denosumab. After treatment, she had recurrent severe symptomatic hypercalcemia on several occasions despite adjunctive therapy with a somatostatin analog. Ultimately, the patient died as a result of refractory hypercalcemia. Discussion The hypercalcemia that is rarely associated with PTHrP secretion from pNETs is aggressive and often refractory to the usual medical treatment of hypercalcemia of malignancy. Effective treatment requires cytoreduction of the causative tumor. Denosumab, a receptor activator of nuclear factor kappa beta ligand inhibitor, has proven useful in some cases. Conclusion This challenging case highlighted the rare but potentially fatal association of pNET with hypercalcemia. Hypercalcemia was the main cause of mortality in an otherwise relatively indolent malignancy.
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Affiliation(s)
- Erin Foley
- Rotorua Hospital, Te Whatu Ora Lakes, Rotorua, New Zealand
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2
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Zoccarato M, Grisold W. Paraneoplastic neurologic manifestations of neuroendocrine tumors. HANDBOOK OF CLINICAL NEUROLOGY 2024; 200:397-407. [PMID: 38494292 DOI: 10.1016/b978-0-12-823912-4.00023-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Neuroendocrine neoplasms (NENs) are a heterogeneous group of tumors arising from the transformation of neuroendocrine cells in several organs, most notably the gastro-entero-pancreatic system and respiratory tract. The classification was recently revised in the 5th Edition of the WHO Classification of Endocrine and Neuroendocrine Tumors. NENs can rarely spread to the central or peripheral nervous systems. Neurologic involvement is determined by the rare development of paraneoplastic syndromes, which are remote effects of cancer. Mechanisms depend on immunologic response to a tumor, leading to the immune attack on the nervous system or the production of biologically active ("functioning") substances, which can determine humoral (endocrine) effects with neurologic manifestations. Paraneoplastic neurologic syndromes (PNS) are immunologically mediated and frequently detected in small cell lung cancer but rarely seen in other forms of NEN. PNS and Merkel cell carcinoma is increasingly reported, especially with Lambert Eaton myasthenic syndrome. Endocrine manifestations are found in a wide spectrum of NENs. They can develop at any stage of the diseases and determine neurologic manifestations. Patient outcomes are influenced by tumor prognosis, neurologic complications, and the severity of endocrine effects.
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Affiliation(s)
- Marco Zoccarato
- Neurology Unit O.S.A., Azienda Ospedale-Università di Padova, Padova, Italy
| | - Wolfgang Grisold
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Vienna, Austria.
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Febrero B, Gómez B, Ruiz-Manzanera JJ, Ros-Madrid I, Rodríguez JM. Hypercalcemia as the first finding of late recurrence of a PTHrP neuroendocrine tumor of the pancreas. ENDOCRINOL DIAB NUTR 2024; 71:31-32. [PMID: 38350837 DOI: 10.1016/j.endien.2024.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 02/15/2024]
Affiliation(s)
- Beatriz Febrero
- Unidad de Cirugía Endocrina. Cirugía General y del Apartado Digestivo, Hospital Clínico Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria Pascual Parrilla (IMIB_Pascual Parrilla). Universidad de Murcia, Murcia, Spain.
| | - Beatriz Gómez
- Unidad de Cirugía Endocrina. Cirugía General y del Apartado Digestivo, Hospital Clínico Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria Pascual Parrilla (IMIB_Pascual Parrilla). Universidad de Murcia, Murcia, Spain
| | - Juan José Ruiz-Manzanera
- Unidad de Cirugía Endocrina. Cirugía General y del Apartado Digestivo, Hospital Clínico Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria Pascual Parrilla (IMIB_Pascual Parrilla). Universidad de Murcia, Murcia, Spain
| | - Inmaculada Ros-Madrid
- Servicio de Endocrinología, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
| | - José M Rodríguez
- Unidad de Cirugía Endocrina. Cirugía General y del Apartado Digestivo, Hospital Clínico Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria Pascual Parrilla (IMIB_Pascual Parrilla). Universidad de Murcia, Murcia, Spain
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4
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Ezzat S, de Herder WW, Volante M, Grossman A. The Driver Role of Pathologists in Endocrine Oncology: What Clinicians Seek in Pathology Reports. Endocr Pathol 2023; 34:437-454. [PMID: 37166678 PMCID: PMC10733199 DOI: 10.1007/s12022-023-09768-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/24/2023] [Indexed: 05/12/2023]
Abstract
Endocrine neoplasia represents an increasingly broad spectrum of disorders. Endocrine neoplasms range from incidental findings to potentially lethal malignancies. In this paper, we cover the impact of pathology in the interpretation of the clinic-pathological, genetic, and radiographic features underpinning these neoplasms. We highlight the critical role of multidisciplinary interactions in structuring a rational diagnostic and efficient therapeutic plan and emphasize the role of histopathological input in decision-making. In this context, standardized pathology reporting and second opinion endocrine pathology review represent relevant tools to improve the overall diagnostic workup of patients affected by endocrine tumors in every specific scenario. In fact, although a relevant proportion of cases may be correctly identified based on clinical presentation and biochemical/imaging investigations, a subset of cases presents with atypical findings that may lead to an inappropriate diagnosis and treatment plan based on a wrong pathological diagnosis if all pieces of the puzzle are not correctly considered. Pathologists have a responsibility to actively guide clinicians before and during surgical procedures to prevent unnecessary interventions. In all areas of endocrine pathology, pathologists must understand the complexity of tissue preservation and assay sensitivities and specificities to ensure the optimal quality and interpretation of diagnostic material. Finally, pathologists are central actors in tumor tissue biobanking, which is an expanding field in oncology that should be promoted while adhering to strict ethical and methodological standards.
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Affiliation(s)
- Shereen Ezzat
- Endocrine Oncology Site Group, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON, Canada
| | - Wouter W de Herder
- Department of Internal Medicine, Sector of Endocrinology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Marco Volante
- Department of Oncology, University of Turin, San Luigi Hospital, Regione Gonzole 10, 10043, Orbassano, Turin, Italy.
| | - Ashley Grossman
- Barts and the London School of Medicine, University of London, London, UK
- Green Templeton College, University of Oxford, Oxford, UK
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5
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Behdadnia A, Jeddi M. Severe hypercalcemia due to metastatic pancreatic neuroendocrine tumor: a case report. J Med Case Rep 2023; 17:400. [PMID: 37670372 PMCID: PMC10481486 DOI: 10.1186/s13256-023-04042-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 06/15/2023] [Indexed: 09/07/2023] Open
Abstract
BACKGROUND Hypercalcemia of malignancy, as a paraneoplastic syndrome, is the most common metabolic disorder that accounts for 30% of malignancies and usually has a poor prognosis. Neuroendocrine tumors are uncommon and arise from neuroendocrine cells throughout the body. Actually, paraneoplastic hypercalcemia in neuroendocrine tumors is unusual and mostly associated with parathyroid hormone-related protein (PTHrP) secretion. CASE PRESENTATION We report a 51-year-old Iranian man who presented with nausea, vomiting, and significant weight loss for 1 month. Laboratory data revealed calcium of 26 mg/dl, accompanied by low level of PTH. Octreotide scan revealed a large donut-shaped octreotide avid lesion in the epigastric region at the right side of the mid-abdomen, with multiple varying size foci of abnormally increased radiotracer uptake in the epigastric region and both lobes of the liver. Endoscopic ultrasonography demonstrated a large heterogeneous mass lesion with irregular outline and good demarcation in the body of the pancreas with diffuse foci of calcification. Percutaneous biopsy of the liver mass demonstrated a well-differentiated neuroendocrine tumor (low grade) confirmed by immunohistochemistry with strongly positive chromogranin and synaptophysin stain. Hypercalcemia was treated with hydration, few sessions of hemodialysis, calcitonin, and denosumab injection. However, the patient developed symptomatic hypocalcemia. Oncology consultation led to prescription of long-acting octreotide 30 mg monthly and everolimus daily. CONCLUSION Pancreatic neuroendocrine tumor could lead to malignant hypercalcemia; secretion of PTHrP is the most common cause, and signs and symptoms are usually milder than paraneoplastic syndrome due to hematologic and solid tumor. Generally, survival is better; however, its treatment is challenging, and primary debulking surgery is often required. A team approach to management is important at all points.
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Affiliation(s)
- Aram Behdadnia
- Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, 71345-1414, Iran
| | - Marjan Jeddi
- Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, 71345-1414, Iran.
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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: 0] [Impact Index Per Article: 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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Hofland J, Falconi M, Christ E, Castaño JP, Faggiano A, Lamarca A, Perren A, Petrucci S, Prasad V, Ruszniewski P, Thirlwell C, Vullierme MP, Welin S, Bartsch DK. European Neuroendocrine Tumor Society 2023 guidance paper for functioning pancreatic neuroendocrine tumour syndromes. J Neuroendocrinol 2023; 35:e13318. [PMID: 37578384 DOI: 10.1111/jne.13318] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 05/09/2023] [Accepted: 06/13/2023] [Indexed: 08/15/2023]
Abstract
This ENETS guidance paper aims to provide practical advice to clinicians for the diagnosis, treatment and follow-up of functioning syndromes in pancreatic neuroendocrine tumours (NET). A NET-associated functioning syndrome is defined by the presence of a clinical syndrome combined with biochemical evidence of inappropriately elevated hormonal levels. Different hormonal syndromes can be encountered in pancreatic NET patients, including insulinoma, gastrinoma as well as the rare glucagonoma, VIPoma, ACTHoma, PTHrPoma, carcinoid syndrome, calcitoninoma, GHRHoma and somatostatinoma. The recommendations provided in this paper focus on the biochemical, genetic and imaging work-up as well as therapeutic management of the individual hormonal syndromes in well-differentiated, grade 1-3, functioning NET with the primary tumour originating in the pancreas, and for specific subtypes also in the duodenum.
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Affiliation(s)
- Johannes Hofland
- Department of Internal Medicine, Section of Endocrinology, ENETS Centre of Excellence, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Massimo Falconi
- Pancreatic Surgery and Transplantation Unit, Pancreas Translational and Clinical Research Centre, ENETS Center of Excellence, San Raffaele Scientific Institute IRCCS, Milan, Italy
| | - Emanuel Christ
- ENETS Centre of Excellence for Neuroendocrine and Endocrine Tumours, University Hospital Basel, Basel, Switzerland
- Department of Endocrinology, Diabetology and Metabolism, University Hospital Basel, Basel, Switzerland
| | - Justo P Castaño
- Maimonides Biomedical Research Institute of Córdoba, Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía, Córdoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Córdoba, Spain
| | - Antongiulio Faggiano
- Endocrinology Unit, Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, ENETS Centre of Excellence, Sapienza University of Rome, Rome, Italy
| | - Angela Lamarca
- Department of Oncology - OncoHealth Institute, Fundación Jiménez Díaz University Hospital, Madrid, Spain
- Department of Medical Oncology, The Christie NHS Foundation, Manchester, Division of Cancer Sciences, University of Manchester, Manchester, UK
| | - Aurel Perren
- Institute of Pathology, University of Bern, Bern, Switzerland
| | - Simona Petrucci
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Psychology, Sapienza University of Rome, Rome, Italy
- Medical Genetics and Advanced Cell Diagnostics Unit, Sant Andrea University Hospital, Rome, Italy
| | - Vikas Prasad
- Division of Nuclear Medicine, Mallinckrodt Institute of Radiology, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Philippe Ruszniewski
- Department of Pancreatology, FHU MOSAIC, Université Paris Cité - APHP Hôpital Beaujon, Clichy, France
| | | | - Marie-Pierre Vullierme
- Centre Hospitalier Annecy Genevois (CHANGE), Université Paris-Cité, Praticien Hospitalier Imagerie Médicale, Annecy, France
| | - Staffan Welin
- Department of Endocrine Oncology, Uppsala University Hospital, Uppsala, Sweden
| | - Detlef K Bartsch
- Department of Visceral, Thoracic and Vascular Surgery, Phillips-University Marburg and University Hospital Gießen Marburg GmbH, Marburg, Germany
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Pitts S, Mahipal A, Bajor D, Mohamed A. Hypercalcemia of malignancy caused by parathyroid hormone-related peptide-secreting pancreatic neuroendocrine tumors (PTHrP-PNETs): Case Report. Front Oncol 2023; 13:1197288. [PMID: 37377908 PMCID: PMC10291048 DOI: 10.3389/fonc.2023.1197288] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 05/12/2023] [Indexed: 06/29/2023] Open
Abstract
Parathyroid hormone-related protein (PTHrP) secretion is occasionally detected in various solid tumors such as renal cell carcinoma and lung cancers. It is considered quite rare for neuroendocrine tumors with only few published case reports. We reviewed the current literature and summarized a case report of a patient with metastatic pancreatic neuroendocrine tumor (PNET) presenting with hypercalcemia due to elevation of PTHrP. The patient had histological confirmation of well-differentiated PNET and developed hypercalcemia years after his initial diagnosis. In our case report, evaluation showed intact parathyroid hormone (PTH) in the setting of concomitant elevation of PTHrP. The patient's hypercalcemia and PTHrP levels were improved by using a long-acting somatostatin analogue. In addition, we reviewed the current literature regarding the optimal management of malignant hypercalcemia due to PTHrP-producing PNETs.
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Affiliation(s)
- Stephanie Pitts
- Department of Medicine, University Hospitals (UH) Cleveland Medical Center, Cleveland, OH, United States
| | - Amit Mahipal
- Division of Hematology and Medical Oncology, University Hospitals (UH) Seidman Cancer Center Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, United States
| | - David Bajor
- Division of Hematology and Medical Oncology, University Hospitals (UH) Seidman Cancer Center Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, United States
| | - Amr Mohamed
- Division of Hematology and Medical Oncology, University Hospitals (UH) Seidman Cancer Center Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, United States
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9
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Sulciner ML, Clancy TE. Surgical Management of Pancreatic Neuroendocrine Tumors. Cancers (Basel) 2023; 15:cancers15072006. [PMID: 37046665 PMCID: PMC10093271 DOI: 10.3390/cancers15072006] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/23/2023] [Accepted: 03/24/2023] [Indexed: 03/30/2023] Open
Abstract
Pancreatic neuroendocrine tumors (PNETs) are relatively uncommon malignancies, characterized as either functional or nonfunctional secondary to their secretion of biologically active hormones. A wide range of clinical behavior can be seen, with the primary prognostic indicator being tumor grade as defined by the Ki67 proliferation index and mitotic index. Surgery is the primary treatment modality for PNETs. While functional PNETs should undergo resection for symptom control as well as potential curative intent, nonfunctional PNETs are increasingly managed nonoperatively. There is increasing data to suggest small, nonfunctional PNETs (less than 2 cm) are appropriate follow with nonoperative active surveillance. Evidence supports surgical management of metastatic disease if possible, and occasionally even surgical management of the primary tumor in the setting of widespread metastases. In this review, we highlight the evolving surgical management of local and metastatic PNETs.
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10
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Ma J, Hu X, Li L, Rao Z, Zhang C. Efficacy and safety of 177Lu-DOTATATE targeted therapy in advanced/metastatic pulmonary neuroendocrine tumors: A systematic review and meta-analysis. Front Oncol 2022; 12:993182. [PMID: 36505778 PMCID: PMC9731101 DOI: 10.3389/fonc.2022.993182] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 10/13/2022] [Indexed: 11/25/2022] Open
Abstract
Objective To perform a meta-analysis of the efficacy and safety about 177Lu-DOTATATE therapy for advanced/metastatic pNETs based on the current clinical evidence. Methods This systematic review follows the PRISMA guideline. Search PubMed, Medline, EMBASE and CNKI, VIP, Wanfang databases, from establishment to June 2022, on the study of 177Lu-DOTATATE for advanced/metastatic pNETs, the primary endpoint was to evaluate the treatment effect through DRRs and DCRs. Secondary endpoint included assessment of OS, PFS, and treatment-related adverse events across all studies. Two researchers conducted literature screening, data extraction and quality evaluation according to the inclusion and exclusion criteria. Meta-analysis was performed using stata16.0 software, and the data were merged and displayed using forest graphs. Results A total of 5 studies, 174 patients, on 177Lu-DOTATATE for advanced/metastatic pNETs were included. The pools of DRRs and DCRs were 24% (95% CI: 15%~32%) and 77% (95% CI: 62%~92%), respectively. The pool of OS was 48.78 months (95% CI: 41~56.57 months) and the pool of PFS was 21.59 months (95% CI: 17.65~25.53 months). In all studies, the most common side effect of treatment was hematological toxicity. In 174 patients, hematological toxicity of grade III accounted for 4.0% (7/174), and only 4.0% (7/174) and 1.0% (2/174) of patients had mild nephrotoxicity and hepatotoxicity. Gastrointestinal adverse reactions in 3% (6/174), nausea in 2% (3/174), superior vena cava occlusion in 0.5% (1/174). Conclusion 177Lu-DOTATATE is effective and safe for advanced/metastatic pNETs, which can delay the progression of the disease, may improve patients' survival, and has low treatment-related toxicity and high safety. However, its efficacy and safety need to be further evaluated in high-quality, multicenter randomized controlled trials in the future. Systematic review registration https://www.crd.york.ac.uk/PROSPERO/, identifier CRD42022344436.
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Affiliation(s)
- Jiao Ma
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Xin Hu
- Department of Orthopedics, Second People’s Hospital of Yibin City, Yibin, Sichuan, China
| | - Lanying Li
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Zijuan Rao
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Chunyin Zhang
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, Sichuan, China,Academician (expert) Workstation of Sichuan Province, Luzhou, Sichuan, China,*Correspondence: Chunyin Zhang,
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Giannetta E, Sesti F, Modica R, Grossrubatscher EM, Ragni A, Zanata I, Colao A, Faggiano A. What Lies behind Paraneoplastic Hypercalcemia Secondary to Well-Differentiated Neuroendocrine Neoplasms? A Systematic Review of the Literature. J Pers Med 2022; 12:1553. [PMID: 36294693 PMCID: PMC9604936 DOI: 10.3390/jpm12101553] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 09/16/2022] [Accepted: 09/16/2022] [Indexed: 09/07/2023] Open
Abstract
BACKGROUND Neuroendocrine neoplasms (NEN) originate from neuroendocrine cells ubiquitously spread throughout the body. Hypercalcemia associated with cancer is the most common life-threatening metabolic disorder in patients with advanced stage cancer. Paraneoplastic hypercalcemia is more commonly associated with hematological malignancies, renal and breast carcinomas, and squamous cell carcinomas, but it has also been described in patients with well-differentiated NEN, where it often remains undiagnosed. Among its causes, systemic secretion of parathyroid hormone-related protein (PTHrP) and ectopic production of 1,25-dihydroxyvitamin D and parathyroid hormone (PTH) may be considered paraneoplastic causes of hypercalcemia. In order to clarify the diagnostic work up of paraneoplastic hypercalcemia in patients with NEN, we perform a systematic review, which is lacking in the literature. METHODS We performed a data search using MEDLINE and SCOPUS including papers from 1961 to 2021. We selected articles on paraneoplastic hypercalcemia associated with well-differentiated NEN. RESULTS The search led to the selection of 78 publications for a total of 114 patients. Pooled data showed that the most frequent primary tumor site associated with paraneoplastic hypercalcemia was pancreatic NEN, followed by Pheochromocytoma. In most cases, paraneoplastic hypercalcemia was caused by PTHrP production and secretion. In more than two thirds of cases, paraneoplastic hypercalcemia was present at the time of NEN diagnosis and, in metachronous cases, was related to local recurrence, distant metastasis development, or tumor progression. In most patients, a combination of therapeutic approaches was employed, and reduction of the tumor burden was essential to control the paraneoplastic syndrome. DISCUSSION The onset of hypercalcemia associated with cancer in patients with well-differentiated NEN represents a major clinical challenge. The complex clinical and therapeutical management of paraneoplastic hypercalcemia implies the need for a multidisciplinary approach, aimed at controlling the clinical syndrome and tumor growth.
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Affiliation(s)
- Elisa Giannetta
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy
| | - Franz Sesti
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy
| | - Roberta Modica
- Department of Clinical Medicine and Surgery, University “Federico II”, 80138 Naples, Italy
| | | | - Alberto Ragni
- Endocrinology and Metabolic Diseases Unit, SS. Antonio e Biagio e Cesare Arrigo Hospital, 15121 Alessandria, Italy
| | - Isabella Zanata
- Section of Endocrinology and Internal Medicine, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Annamaria Colao
- Department of Clinical Medicine and Surgery, University “Federico II”, 80138 Naples, Italy
| | - Antongiulio Faggiano
- Endocrinology Unit, Department of Clinical and Molecular Medicine, Sant’Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy
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12
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Yazdian A, Minuk J, Hemenway G, Upadhyaya N, Vaz CL. Occult Pulmonary Neuroendocrine Tumor Causing Severe Hyperparathyroidism: Diagnostic Challenges and Clinical Outcomes. AACE Clin Case Rep 2022; 8:210-216. [PMID: 36189140 PMCID: PMC9508597 DOI: 10.1016/j.aace.2022.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 05/13/2022] [Accepted: 06/13/2022] [Indexed: 11/13/2022] Open
Abstract
Background/Objective Ectopic tumoral production of parathyroid hormone (PTH) is rare. The incidence of hyperparathyroidism and osteitis fibrosa cystica (OFC) secondary to ectopic PTH secretion has only been reported in case reports, although infrequent. Case Report We report a case of a well-differentiated pulmonary neuroendocrine tumor (NET) producing PTH that presented with severe hypercalcemia and OFC. Surgical removal of the pulmonary tumor resulted in resolution of hypercalcemia. Immunocytochemical analysis of the tumor tissue revealed PTH-positive staining. Recovery was complicated by severe hypocalcemia due to hungry bone syndrome. Discussion To the best of our knowledge, this is the first documented case of a pulmonary NET causing OFC via PTH. We further describe the successful identification and resection of a rare NET and restoration of calcium homeostasis with aggressive calcium and vitamin D repletion. Conclusion Although a rare cause of severe hypercalcemia and OFC, ectopic tumoral production of PTH must be considered in the differential diagnosis. Furthermore, resection of these tumors secreting PTH can lead to a protracted and severe high risk of hungry bone syndrome, which requires aggressive treatment to maintain calcium homeostasis.
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13
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Aberrant transcription factors in the cancers of the pancreas. Semin Cancer Biol 2022; 86:28-45. [PMID: 36058426 DOI: 10.1016/j.semcancer.2022.08.011] [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: 06/13/2022] [Revised: 08/15/2022] [Accepted: 08/29/2022] [Indexed: 11/21/2022]
Abstract
Transcription factors (TFs) are essential for proper activation of gene set during the process of organogenesis, differentiation, lineage specificity. Reactivation or dysregulation of TFs regulatory networks could lead to deformation of organs, diseases including various malignancies. Currently, understanding the mechanism of oncogenesis became necessity for the development of targeted therapeutic strategy for different cancer types. It is evident that many TFs go awry in cancers of the pancreas such as pancreatic ductal adenocarcinoma (PDAC) and pancreatic neuroendocrine neoplasms (PanNENs). These mutated or dysregulated TFs abnormally controls various signaling pathways in PDAC and PanNENs including RTK, PI3K-PTEN-AKT-mTOR, JNK, TGF-β/SMAD, WNT/β-catenin, SHH, NOTCH and VEGF which in turn regulate different hallmarks of cancer. Aberrant regulation of such pathways have been linked to the initiation, progression, metastasis, and resistance in pancreatic cancer. As of today, a number of TFs has been identified as crucial regulators of pancreatic cancer and a handful of them shown to have potential as therapeutic targets in pre-clinical and clinical settings. In this review, we have summarized the current knowledge on the role and therapeutic usefulness of TFs in PDAC and PanNENs.
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Rindi G, Mete O, Uccella S, Basturk O, La Rosa S, Brosens LAA, Ezzat S, de Herder WW, Klimstra DS, Papotti M, Asa SL. Overview of the 2022 WHO Classification of Neuroendocrine Neoplasms. Endocr Pathol 2022; 33:115-154. [PMID: 35294740 DOI: 10.1007/s12022-022-09708-2] [Citation(s) in RCA: 254] [Impact Index Per Article: 127.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/28/2022] [Indexed: 02/07/2023]
Abstract
In this review, we detail the changes and the relevant features that are applied to neuroendocrine neoplasms (NENs) in the 2022 WHO Classification of Endocrine and Neuroendocrine Tumors. Using a question-and-answer approach, we discuss the consolidation of the nomenclature that distinguishes neuronal paragangliomas from epithelial neoplasms, which are divided into well-differentiated neuroendocrine tumors (NETs) and poorly differentiated neuroendocrine carcinomas (NECs). The criteria for these distinctions based on differentiation are outlined. NETs are generally (but not always) graded as G1, G2, and G3 based on proliferation, whereas NECs are by definition high grade; the importance of Ki67 as a tool for classification and grading is emphasized. The clinical relevance of proper classification is explained, and the importance of hormonal function is examined, including eutopic and ectopic hormone production. The tools available to pathologists for accurate classification include the conventional biomarkers of neuroendocrine lineage and differentiation, INSM1, synaptophysin, chromogranins, and somatostatin receptors (SSTRs), but also include transcription factors that can identify the site of origin of a metastatic lesion of unknown primary site, as well as hormones, enzymes, and keratins that play a role in functional and structural correlation. The recognition of highly proliferative, well-differentiated NETs has resulted in the need for biomarkers that can distinguish these G3 NETs from NECs, including stains to determine expression of SSTRs and those that can indicate the unique molecular pathogenetic alterations that underlie the distinction, for example, global loss of RB and aberrant p53 in pancreatic NECs compared with loss of ATRX, DAXX, and menin in pancreatic NETs. Other differential diagnoses are discussed with recommendations for biomarkers that can assist in correct classification, including the distinctions between epithelial and non-epithelial NENs that have allowed reclassification of epithelial NETs in the spine, in the duodenum, and in the middle ear; the first two may be composite tumors with neuronal and glial elements, and as this feature is integral to the duodenal lesion, it is now classified as composite gangliocytoma/neuroma and neuroendocrine tumor (CoGNET). The many other aspects of differential diagnosis are detailed with recommendations for biomarkers that can distinguish NENs from non-neuroendocrine lesions that can mimic their morphology. The concepts of mixed neuroendocrine and non-neuroendocrine (MiNEN) and amphicrine tumors are clarified with information about how to approach such lesions in routine practice. Theranostic biomarkers that assist patient management are reviewed. Given the significant proportion of NENs that are associated with germline mutations that predispose to this disease, we explain the role of the pathologist in identifying precursor lesions and applying molecular immunohistochemistry to guide genetic testing.
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Affiliation(s)
- Guido Rindi
- Department of Life Sciences and Public Health, Section of Anatomic Pathology, Università Cattolica del Sacro Cuore, Rome, Italy.
- Department of Woman and Child Health Sciences and Public Health, Anatomic Pathology Unit, Fondazione Policlinico Universitario A. Gemelli - IRCCS, Largo A. Gemelli, 8, 00168, Rome, Italy.
- ENETS Center of Excellence, Rome, Italy.
| | - Ozgur Mete
- Department of Pathology, University Health Network, University of Toronto, 200 Elizabeth Street, 11th floor, Toronto, ON, M5G 2C4, Canada.
| | - Silvia Uccella
- Unit of Pathology, Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Olca Basturk
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Stefano La Rosa
- Unit of Pathology, Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Lodewijk A A Brosens
- Department of Pathology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Shereen Ezzat
- Department of Medicine, University Health Network, University of Toronto, Toronto, ON, Canada
| | - Wouter W de Herder
- Department of Internal Medicine, Sector of Endocrinology, Erasmus MC Cancer Institute, ENETS Center of Excellence Rotterdam, Erasmus MC, Rotterdam, The Netherlands
| | - David S Klimstra
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Paige.AI, New York, NY, USA
| | - Mauro Papotti
- Department of Oncology, University of Turin, Turin, Italy
| | - Sylvia L Asa
- Department of Pathology, University Hospitals Cleveland Medical Center, Case Western Reserve University, Cleveland, OH, USA
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Kamposioras K, Geraghty J, Appleyard J, Dawod M, Papadimitriou K, Lamarca A, Anthoney A. Pancreaticobiliary Malignancies in the Emergency Room: Management of Acute Complications and Oncological Emergencies. J Gastrointest Cancer 2021; 53:1050-1065. [PMID: 34648136 PMCID: PMC9630225 DOI: 10.1007/s12029-021-00718-7] [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] [Accepted: 09/22/2021] [Indexed: 11/29/2022]
Abstract
Background Management of pancreaticobiliary (PB) malignancies remains a clinical challenge. In this review, we focus on the management of oncological emergencies in PB malignancies and the potential complication of associated therapeutic interventions. Methods Biobliographic review of current evidence on the management of oncological emergencies, their potential complications, as well as synthesis of recommendations was performed. The pathogenesis, frequency, related symptoms as well as appropriate investigations are presented. Results The oncologic emergencies in PB patients were summarised in six categories: (1) hematological (including febrile neutropaenia, thrombocytopenia, coagulopathies), (2) gastrointestinal (gastric outlet and biliary obstruction, gastrointestinal bleeding), (3) thromboembolic events, (4) ascites, (5) metabolic disorders and (6) neurologic complications. The pathogenesis, frequency, related symptoms as well as appropriate investigations are also presented. Conclusion Patients with PB malignancies are at increased risk of a wide variation of medical emergencies. Clinical knowledge, early recognition and collaboration with the relevant specialties are critical to manage these complications effectively, tailoring overall management around the actual prognosis and individuals’ expectations.
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Affiliation(s)
| | - Joe Geraghty
- Department of Gastroenterology, Manchester Royal Infirmary, Manchester, UK
| | | | - Mohammed Dawod
- The Christie NHS Foundation Trust, Manchester, Greater Manchester, UK
| | | | - Angela Lamarca
- The Christie NHS Foundation Trust, Manchester, Greater Manchester, UK.,Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Alan Anthoney
- Leeds Institute of Medical Research, St James' Institute of Oncology, St James' University Hospital, University of Leeds, Leeds, LS9 7TF, UK.
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16
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Zimmer V, Eltze E. Parathyroid Hormone-Related Peptide (PTHrp)-Secreting Liver Metastatic Large-Cell Neuroendocrine Carcinoma of the Sigmoid Colon. Am J Med 2021; 134:e494-e495. [PMID: 33989607 DOI: 10.1016/j.amjmed.2021.04.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/07/2021] [Accepted: 04/08/2021] [Indexed: 11/24/2022]
Affiliation(s)
- Vincent Zimmer
- Department of Medicine, Marienhausklinik St. Josef Kohlhof, Neunkirchen, Germany; Department of Medicine II, Saarland University Medical Center, Saarland University, Homburg, Germany.
| | - Elke Eltze
- Insitute of Pathology Saarbrücken-Rastpfuhl, Saarbrücken, Germany
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17
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Carriere P, Calvo N, Novoa Díaz MB, Lopez-Moncada F, Herrera A, Torres MJ, Alonso E, Gandini NA, Gigola G, Contreras HR, Gentili C. Role of SPARC in the epithelial-mesenchymal transition induced by PTHrP in human colon cancer cells. Mol Cell Endocrinol 2021; 530:111253. [PMID: 33781836 DOI: 10.1016/j.mce.2021.111253] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 02/27/2021] [Accepted: 03/19/2021] [Indexed: 12/12/2022]
Abstract
Parathyroid hormone-related peptide (PTHrP) exerts its effects on cells derived from colorectal cancer (CRC) and tumor microenvironment and is involved in processes requiring the epithelial-mesenchymal transition (EMT). Here, we report that PTHrP modulates factors expression and morphological changes associated with EMT in HCT116 cells from CRC. PTHrP increased the protein expression of SPARC, a factor involved in EMT, in HCT116 cells but not in Caco-2 cells also from CRC but with less aggressiveness. PTHrP also increased SPARC expression and its subsequent release from endothelial HMEC-1 cells. The conditioned media of PTHrP-treated HMEC-1 cells induced early changes related to EMT in HCT116 cells. Moreover, SPARC treatment on HCT116 cells potentiated PTHrP modulation in E-cadherin expression and cell migration. In vivo PTHrP also increased SPARC expression and decreased E-cadherin expression. These results suggest a novel PTHrP action on CRC progression involving the microenvironment in the modulation of events associated with EMT.
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Affiliation(s)
- Pedro Carriere
- Department of Biology, Biochemistry and Pharmacy-INBIOSUR, National University of the South, Bahía Blanca, Argentina
| | - Natalia Calvo
- Department of Biology, Biochemistry and Pharmacy-INBIOSUR, National University of the South, Bahía Blanca, Argentina
| | - María Belén Novoa Díaz
- Department of Biology, Biochemistry and Pharmacy-INBIOSUR, National University of the South, Bahía Blanca, Argentina
| | - Fernanda Lopez-Moncada
- Department of Basic and Clinic Oncology. Faculty of Medicine, University of Chile, Chile
| | - Alexander Herrera
- Department of Basic and Clinic Oncology. Faculty of Medicine, University of Chile, Chile
| | - María José Torres
- Department of Basic and Clinic Oncology. Faculty of Medicine, University of Chile, Chile
| | | | | | - Graciela Gigola
- Department of Biology, Biochemistry and Pharmacy-INBIOSUR, National University of the South, Bahía Blanca, Argentina
| | - Hector R Contreras
- Department of Basic and Clinic Oncology. Faculty of Medicine, University of Chile, Chile
| | - Claudia Gentili
- Department of Biology, Biochemistry and Pharmacy-INBIOSUR, National University of the South, Bahía Blanca, Argentina.
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18
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Ferrel B, Franko J, Tee MC. Rare case of pancreatic neuroendocrine tumour presenting as paraneoplastic hypercalcaemia. BMJ Case Rep 2021; 14:14/4/e240786. [PMID: 33858893 PMCID: PMC8054046 DOI: 10.1136/bcr-2020-240786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
An asymptomatic 68-year-old woman who presented with an isolated hypercalcaemia was diagnosed with a rare, previously unsuspected parathyroid hormone-related peptide (PTHrP)-producing pancreatic neuroendocrine tumour. She underwent an extensive operation including vascular resection and reconstruction, resulting in successful removal of the tumour with negative margins. Medical and surgical management of pancreatic neuroendocrine tumours and PTHrP-mediated paraneoplastic hypercalcaemia is discussed.
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Affiliation(s)
- Benjamin Ferrel
- Department of Surgical Oncology, MercyOne Medical Center, Des Moines, Iowa, USA
| | - Jan Franko
- Department of Surgical Oncology, MercyOne Medical Center, Des Moines, Iowa, USA
| | - May C Tee
- Department of Surgical Oncology, MercyOne Medical Center, Des Moines, Iowa, USA
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19
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Fernandez CJ, Agarwal M, Pottakkat B, Haroon NN, George AS, Pappachan JM. Gastroenteropancreatic neuroendocrine neoplasms: A clinical snapshot. World J Gastrointest Surg 2021; 13:231-255. [PMID: 33796213 PMCID: PMC7993001 DOI: 10.4240/wjgs.v13.i3.231] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 01/17/2021] [Accepted: 03/02/2021] [Indexed: 02/06/2023] Open
Abstract
Our understanding about the epidemiological aspects, pathogenesis, molecular diagnosis, and targeted therapies of neuroendocrine neoplasms (NENs) have drastically advanced in the past decade. Gastroenteropancreatic (GEP) NENs originate from the enteroendocrine cells of the embryonic gut which share common endocrine and neural differentiation factors. Most NENs are well-differentiated, and slow growing. Specific neuroendocrine biomarkers that are used in the diagnosis of functional NENs include insulin, glucagon, vasoactive intestinal polypeptide, gastrin, somatostatin, adrenocorticotropin, growth hormone releasing hormone, parathyroid hormone-related peptide, serotonin, histamine, and 5-hydroxy indole acetic acid (5-HIAA). Biomarkers such as pancreatic polypeptide, human chorionic gonadotrophin subunits, neurotensin, ghrelin, and calcitonin are used in the diagnosis of non-functional NENs. 5-HIAA levels correlate with tumour burden, prognosis and development of carcinoid heart disease and mesenteric fibrosis, however several diseases, medications and edible products can falsely elevate the 5-HIAA levels. Organ-specific transcription factors are useful in the differential diagnosis of metastasis from an unknown primary of well-differentiated NENs. Emerging novel biomarkers include circulating tumour cells, circulating tumour DNA, circulating micro-RNAs, and neuroendocrine neoplasms test (NETest) (simultaneous measurement of 51 neuroendocrine-specific marker genes in the peripheral blood). NETest has high sensitivity (85%-98%) and specificity (93%-97%) for the detection of gastrointestinal NENs, and is useful for monitoring treatment response, recurrence, and prognosis. In terms of management, surgery, radiofrequency ablation, symptom control with medications, chemotherapy and molecular targeted therapies are all considered as options. Surgery is the mainstay of treatment, but depends on factors including age of the individual, location, stage, grade, functional status, and the heredity of the tumour (sporadic vs inherited). Medical management is helpful to alleviate the symptoms, manage inoperable lesions, suppress postoperative tumour growth, and manage recurrences. Several molecular-targeted therapies are considered second line to somatostatin analogues. This review is a clinical update on the pathophysiological aspects, diagnostic algorithm, and management of GEP NENs.
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Affiliation(s)
- Cornelius J Fernandez
- Department of Endocrinology and Metabolism, Pilgrim Hospital, United Lincolnshire Hospitals NHS Trust, Boston PE21 9QS, United Kingdom
| | - Mayuri Agarwal
- Department of Endocrinology and Metabolism, Pilgrim Hospital, United Lincolnshire Hospitals NHS Trust, Boston PE21 9QS, United Kingdom
| | - Biju Pottakkat
- Department of Surgical Gastroenterology, Jawaharlal Institute of Post Graduate Medical Education and Research (JIPMER), Puducherry 605006, India
| | - Nisha Nigil Haroon
- Department of Endocrinology and Internal Medicine, Northern Ontario School of Medicine, Sudbury P3E 2C6, Ontario, Canada
| | - Annu Susan George
- Department of Medical Oncology, VPS Lakeshore Hospital, Cochin 682040, Kerala, India
| | - Joseph M Pappachan
- Department of Endocrinology and Metabolism, Lancashire Teaching Hospitals NHS Trust, PR2 9HT, Preston, The University of Manchester, Oxford Road M13 9PL, Manchester Metropolitan University, All Saints Building M15 6BH, Manchester, United Kingdom
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20
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Mehl L, Schrader J, Winterberg T, Daniels T, Gross A, Weidner U, Clauditz TS, Lock G. [Unusual cause of hypercalcemia in pregnancy]. ZEITSCHRIFT FUR GASTROENTEROLOGIE 2021; 59:143-148. [PMID: 33556973 DOI: 10.1055/a-1340-0452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
BACKGROUND Neuroendocrine tumors (NET) diagnosed during pregnancy are extremely rare. This case report describes diagnosis and treatment of a metastasized pancreas NET that became symptomatic in the second trimester. CASE DESCRIPTION A 33-year-old patient presented to the emergency department in the 19th week of pregnancy (WOP) with persistent diarrhea. Laboratory tests showed a pronounced hypercalcemia (3.53 mmol/l). Imaging revealed a mass in the pancreatic corpus/tail with extensive liver metastasis. Histologically, a NET (G2, SSTR-positive) with paraneoplastic parathormone-related-peptide secretion was found to be the cause of hypercalcemia. Under a treatment with octreotide, calcium values normalized and diarrhea stopped. After delivery of a healthy child (32.WOP via cesarean section) tumor progress was found. The pancreatic mass was resected completely, the liver metastases as far as possible. Postoperatively, in a CT scan, residual suspicious liver lesions could be found, and a palliative therapy with lanreotide was initiated. With this treatment, the patient has been asymptomatic for one year, and serum calcium remained normal. The child developed normally. DISCUSSION This unusual case shows that even in extensively metastasized symptomatic NETs during pregnancy, there may be sufficient diagnostic and therapeutic options that allow for a continuation of pregnancy in close interdisciplinary cooperation under careful risk-benefit assessment for mother and child.
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Affiliation(s)
- Lisa Mehl
- Klinik für Innere Medizin, Albertinen-Krankenhaus, Hamburg, Germany
| | - Jörg Schrader
- I. Medizinische Klinik und Poliklinik, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
| | | | - Thies Daniels
- Klinik für Allgemein-, Viszeral- und Tumorchirurgie, Albertinen-Krankenhaus, Hamburg, Germany
| | - Andreas Gross
- Klinik für Gynäkologie und Geburtshilfe, Albertinen-Krankenhaus, Hamburg, Germany
| | - Ulrike Weidner
- Zentrum für Radiologie, Albertinen-Krankenhaus, Hamburg, Germany
| | | | - Guntram Lock
- Klinik für Innere Medizin, Albertinen-Krankenhaus, Hamburg, Germany
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21
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Giannetta E, Sesti F, Modica R, Grossrubatscher EM, Guarnotta V, Ragni A, Zanata I, Colao A, Faggiano A. Case Report: Unmasking Hypercalcemia in Patients With Neuroendocrine Neoplasms. Experience From Six Italian Referral Centers. Front Endocrinol (Lausanne) 2021; 12:665698. [PMID: 34093441 PMCID: PMC8170398 DOI: 10.3389/fendo.2021.665698] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 04/27/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Hypercalcemia is a common paraneoplastic syndrome which can occur in up to 10% of patients with advanced neoplasms. Paraneoplastic parathyroid hormone-related protein (PTHrP) represents the most frequent cause of this syndrome. In neuroendocrine neoplasms (NENs) paraneoplastic hypercalcemia is rare. CASE SERIES The present series includes all patients with NENs and paraneoplastic hypercalcemia from four Italian centres: (I) A 40-year-old man was hospitalized for repeated episodes of falls, hyposthenia and drowsiness. Severe hypercalcemia was found. Metastatic pancreatic G2 NEN and PTHrP-related hypercalcemia were diagnosed. The patient started therapy with somatostatin analogs (SSA) and Denosumab. After disease progression peptide receptor radionuclide therapy (PRRT) was started with an objective response associated with PTHrP reduction and normocalcemia. (II) A 45-year-old man was referred for pancreatic G2 NEN. SSA and subsequently everolimus were administered for metastases occurrence. Hypercalcemia occurred and PRRT and Denosumab were started for disease progression with the onset of bone metastases. Despite disease stability after four cycles of PRRT the patient's performance status worsened until death. (III) A 49-year-old woman was hospitalized for psychic slowdown, confusional state, sensory dullness. A severe hypercalcemia, associated with a pancreatic G1 NEN was diagnosed and treated with haemodialysis, bisphosphonates injections and continuous infusion of calcitonin. 1,25-dihydroxyvitamin D was high, PTHrP was undetectable. After surgery serum calcium levels and 1,25-dihydroxyvitamin D were normalized. (IV) A 69-year-old man was hospitalized after the onset of shortness of breath and dyspnea, asthenia and weight loss. Computed Tomography (CT) and 68Ga DOTATOC Positron Emission Tomography (PET)-CT revealed a left pulmonary nodule. Hypercalcemia and markedly elevated PTHrP levels were detected. The histological examination revealed an atypical carcinoid. After surgery, calcium levels were normalized, PTHrP was significantly reduced with an improvement of general conditions. CONCLUSION In our series, paraneoplastic PTHrP-related hypercalcemia occurred in pancreatic NEN and in one bronchial carcinoid representing the third case in the literature. Our case associated with 1,25-dihydroxyvitamin D secretion represents the fourth case in the literature. PTHrP secretion should be considered in NENs' patients with hypercalcemia. Acute treatment should be focused on lowering calcium levels, and long-term control can be achieved by tumor cytoreduction inhibiting PTHrP release.
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Affiliation(s)
- Elisa Giannetta
- Department of Experimental Medicine, “Sapienza” University of Rome, Rome, Italy
- *Correspondence: Elisa Giannetta,
| | - Franz Sesti
- Department of Experimental Medicine, “Sapienza” University of Rome, Rome, Italy
| | - Roberta Modica
- Department of Clinical Medicine and Surgery, University “Federico II”, Naples, Italy
| | | | - Valentina Guarnotta
- Dept PROMISE, UOC Malattie Endocrine, del Ricambio e Della Nutrizione, University of Palermo, Palermo, Italy
| | - Alberto Ragni
- Oncological Endocrinology Unit, Department of Medical Sciences, Città della Salute e Della Scienza Hospital, University of Turin, Turin, Italy
| | - Isabella Zanata
- Section of Endocrinology and Internal Medicine, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Annamaria Colao
- Department of Clinical Medicine and Surgery, University “Federico II”, Naples, Italy
| | - Antongiulio Faggiano
- Endocrinology Unit, Department of Clinical and Molecular Medicine, Sant’Andrea Hospital, Sapienza University of Rome, Rome, Italy
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22
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Histological grades and prognostic markers of well-differentiated pancreatic neuroendocrine tumor (WDPNET). JOURNAL OF PANCREATOLOGY 2020. [DOI: 10.1097/jp9.0000000000000061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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23
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Hofland J, Kaltsas G, de Herder WW. Advances in the Diagnosis and Management of Well-Differentiated Neuroendocrine Neoplasms. Endocr Rev 2020; 41:bnz004. [PMID: 31555796 PMCID: PMC7080342 DOI: 10.1210/endrev/bnz004] [Citation(s) in RCA: 104] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Accepted: 02/28/2020] [Indexed: 02/07/2023]
Abstract
Neuroendocrine neoplasms constitute a diverse group of tumors that derive from the sensory and secretory neuroendocrine cells and predominantly arise within the pulmonary and gastrointestinal tracts. The majority of these neoplasms have a well-differentiated grade and are termed neuroendocrine tumors (NETs). This subgroup is characterized by limited proliferation and patients affected by these tumors carry a good to moderate prognosis. A substantial subset of patients presenting with a NET suffer from the consequences of endocrine syndromes as a result of the excessive secretion of amines or peptide hormones, which can impair their quality of life and prognosis. Over the past 15 years, critical developments in tumor grading, diagnostic biomarkers, radionuclide imaging, randomized controlled drug trials, evidence-based guidelines, and superior prognostic outcomes have substantially altered the field of NET care. Here, we review the relevant advances to clinical practice that have significantly upgraded our approach to NET patients, both in diagnostic and in therapeutic options.
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Affiliation(s)
- Johannes Hofland
- ENETS Center of Excellence, Section of Endocrinology, Department of Internal Medicine, Erasmus MC Cancer Center, Erasmus MC, Rotterdam, The Netherlands
| | - Gregory Kaltsas
- 1st Department of Propaupedic Internal Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Wouter W de Herder
- ENETS Center of Excellence, Section of Endocrinology, Department of Internal Medicine, Erasmus MC Cancer Center, Erasmus MC, Rotterdam, The Netherlands
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24
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Howe JR, Merchant NB, Conrad C, Keutgen XM, Hallet J, Drebin JA, Minter RM, Lairmore TC, Tseng JF, Zeh HJ, Libutti SK, Singh G, Lee JE, Hope TA, Kim MK, Menda Y, Halfdanarson TR, Chan JA, Pommier RF. The North American Neuroendocrine Tumor Society Consensus Paper on the Surgical Management of Pancreatic Neuroendocrine Tumors. Pancreas 2020; 49:1-33. [PMID: 31856076 PMCID: PMC7029300 DOI: 10.1097/mpa.0000000000001454] [Citation(s) in RCA: 198] [Impact Index Per Article: 49.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This manuscript is the result of the North American Neuroendocrine Tumor Society consensus conference on the surgical management of pancreatic neuroendocrine tumors from July 19 to 20, 2018. The group reviewed a series of questions of specific interest to surgeons taking care of patients with pancreatic neuroendocrine tumors, and for each, the available literature was reviewed. What follows are these reviews for each question followed by recommendations of the panel.
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Affiliation(s)
- James R. Howe
- Department of Surgery, University of Iowa Carver College of Medicine, Iowa City, IA
| | | | - Claudius Conrad
- Department of Surgery, St. Elizabeth Medical Center, Tufts University School of Medicine, Boston, MA
| | | | - Julie Hallet
- Department of Surgery, University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Canada
| | - Jeffrey A. Drebin
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Rebecca M. Minter
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI
| | | | | | - Herbert J. Zeh
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX
| | - Steven K. Libutti
- §§ Department of Surgery, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ
| | - Gagandeep Singh
- Department of Surgery, City of Hope Comprehensive Cancer Center, Duarte, CA
| | - Jeffrey E. Lee
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Thomas A. Hope
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA
| | - Michelle K. Kim
- Department of Medicine, Mt. Sinai Medical Center, New York, NY
| | - Yusuf Menda
- Department of Radiology, University of Iowa Carver College of Medicine, Iowa City, IA
| | | | - Jennifer A. Chan
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA
| | - Rodney F. Pommier
- Department of Surgery, Oregon Health & Sciences University, Portland, OR
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25
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Abstract
Neuroendocrine tumors (NETs) originate from the neuroendocrine cell system in the bronchial and gastrointestinal tract and can produce hormones leading to distinct clinical syndromes. Systemic treatment of patients with unresectable NETs aims to control symptoms related to hormonal overproduction and tumor growth. In the last decades prognosis has improved as a result of increased detection of early stage disease and the introduction of somatostatin analogs (SSAs) as well as several new therapeutic options. SSAs are the first-line medical treatment of NETs and can control hormonal production and tumor growth. The development of next-generation multireceptor targeted and radiolabelled somatostatin analogs, as well as target-directed therapies (as second-line treatment options) further improve progression-free survival in NET patients. To date, however, a significant prolongation of overall survival with systemic treatment in NET has not been convincingly demonstrated. Several new medical options and treatment combinations will become available in the upcoming years, and although preliminary results of preclinical and clinical trials are encouraging, large, preferrably randomized clinical studies are required to provide definitive evidence of their effect on survival and symptom control.
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Storvall S, Leijon H, Ryhänen E, Louhimo J, Haglund C, Schalin-Jäntti C, Arola J. Somatostatin receptor expression in parathyroid neoplasms. Endocr Connect 2019; 8:1213-1223. [PMID: 31336364 PMCID: PMC6709562 DOI: 10.1530/ec-19-0260] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 07/23/2019] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Parathyroid carcinoma represents a rare cause of primary hyperparathyroidism. Distinguishing carcinoma from the benign tumors underlying primary hyperparathyroidism remains challenging. The diagnostic criteria for parathyroid carcinoma are local and/or metastatic spreading. Atypical parathyroid adenomas share other histological features with carcinomas but lack invasive growth. Somatostatin receptors are commonly expressed in different neuroendocrine tumors, but whether this also holds for parathyroid tumors remains unknown. AIM Our aim is to examine the immunohistochemical expression of somatostatin receptor 1-5 in parathyroid typical adenomas, atypical adenomas and carcinomas. METHODS We used a tissue microarray construct from a nationwide cohort of parathyroid carcinomas (n = 32), age- and gender-matched typical parathyroid adenomas (n = 72) and atypical parathyroid adenomas (n = 27) for immunohistochemistry of somatostatin receptor subtypes 1-5. We separately assessed cytoplasmic, membrane and nuclear expression and also investigated the associations with histological, biochemical and clinical characteristics. RESULTS All parathyroid tumor subgroups expressed somatostatin receptors, although membrane expression appeared negligible. Except for somatostatin receptor 1, expression patterns differed between the three tumor types. Adenomas exhibited the weakest and carcinomas the strongest expression of somatostatin receptor 2, 3, 4 and 5. We observed the largest difference for cytoplasmic somatostatin receptor 5 expression. CONCLUSIONS Parathyroid adenomas, atypical adenomas and carcinomas all express somatostatin receptor subtypes 1-5. Somatostatin receptor 5 may serve as a potential tumor marker for malignancy. Studies exploring the role of somatostatin receptor imaging and receptor-specific therapies in patients with parathyroid carcinomas are needed.
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Affiliation(s)
- Sara Storvall
- Department of Endocrinology, Abdominal Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Helena Leijon
- Department of Pathology and Huslab, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Eeva Ryhänen
- Department of Endocrinology, Abdominal Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Johanna Louhimo
- Department of Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Caj Haglund
- Department of Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Camilla Schalin-Jäntti
- Department of Endocrinology, Abdominal Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Johanna Arola
- Department of Pathology and Huslab, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Correspondence should be addressed to J Arola:
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Daskalakis K, Chatzelis E, Tsoli M, Papadopoulou-Marketou N, Dimitriadis GK, Tsolakis AV, Kaltsas G. Endocrine paraneoplastic syndromes in patients with neuroendocrine neoplasms. Endocrine 2019; 64:384-392. [PMID: 30280284 PMCID: PMC6531606 DOI: 10.1007/s12020-018-1773-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 09/24/2018] [Indexed: 12/15/2022]
Abstract
OBJECTIVE Our aim was to assess the prevalence of endocrine paraneoplastic syndromes (EPNS) in neuroendocrine neoplasms (NENs) and estimate its impact on patient outcomes. DESIGN This is a retrospective analysis of 834 patients with NENs (611 gastrointestinal, 166 thoracic, 57 of unknown and various other primary origin). We included 719 consecutive NEN patients treated at EKPA-Laiko Hospital, Athens, Greece and 115 patients with lung carcinoid (LC) treated at Uppsala University Hospital, Uppsala, Sweden. EPNS diagnosis was based on standard criteria. METHODS Twenty-one patients with EPNS were detected: 16 with ectopic Cushing's syndrome (ECS), one with hypercalcaemia due to parathyroid hormone-related protein (PTHrP) secretion, three with hypercalcitonaemia and one patient with dual secretion of calcitonin and beta-human chorionic gonadotropin (β-HCG). All tumours were well-differentiated; 10 patients had Stage IV disease at diagnosis. RESULTS The prevalence of EPNS in the Greek cohort was 1.9%, whereas that of ECS among LC patients in both centres was 6.7%. Median overall survival (OS) for patients with EPNS was 160.7 months (95%CI, 86-235.4) and median event-free survival (EFS) was 25.9 months (95%CI, 0-57.2). Patients presenting with EPNS prior to NEN diagnosis had longer EFS compared to patients with synchronous or metachronous EPNS (log-rank P = 0.013). Patients with ECS of extra-thoracic origin demonstrated shorter OS and EFS compared to patients with ECS of lung or thymic origin (log-rank P = 0.001 and P < 0.001, respectively). LC patients with and without ECS were comparable in 5-year and 10-year OS rates (66.7% and 33.3% versus 89.8% and 60.2%, respectively; 95%CI [189.6-300.4 months], log-rank P = 0.94) and in median EFS, 67 versus 183 months, 95%CI [50.5-207.5], log-rank P = 0.12). CONCLUSION EPNS are relatively rare in patients with NENs and mainly concern well-differentiated tumours of the foregut. Among patients with EPNS, LC-related ECS may not adversely affect patient outcomes when diagnosed prior to NEN and effectively been treated.
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Affiliation(s)
- Kosmas Daskalakis
- Department of Surgical Sciences, Uppsala University, Uppsala, Sweden.
- 1st Department of Propaupedic Internal Medicine, Endocrine Oncology Unit, Laiko Hospital, National and Kapodistrian University of Athens, Athens, Greece.
| | - Eleftherios Chatzelis
- 1st Department of Propaupedic Internal Medicine, Endocrine Oncology Unit, Laiko Hospital, National and Kapodistrian University of Athens, Athens, Greece
- 251 Hellenic Air Force and VA General Hospital, Athens, Greece
| | - Marina Tsoli
- 1st Department of Propaupedic Internal Medicine, Endocrine Oncology Unit, Laiko Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Georgios K Dimitriadis
- Warwickshire Institute for the Study of Diabetes Endocrinology and Metabolism (WISDEM) Arden NET CoE and Human Metabolism Research Unit (HMRU), University Hospitals of Coventry and Warwickshire, NHS Trust, Coventry, CV2 2DX, UK
| | - Apostolos V Tsolakis
- Department of Oncology and Pathology, Karolinska Institute, Stockholm, Sweden
- Cancer Center Karolinska, CCK, Karolinska University Hospital Solna, R8:04, Stockholm, Sweden
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Gregory Kaltsas
- 1st Department of Propaupedic Internal Medicine, Endocrine Oncology Unit, Laiko Hospital, National and Kapodistrian University of Athens, Athens, Greece
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Duan ZX, Huang P, Tu C, Liu Q, Li SQ, Long ZL, Li ZH. MicroRNA-15a-5p Regulates the Development of Osteoarthritis by Targeting PTHrP in Chondrocytes. BIOMED RESEARCH INTERNATIONAL 2019; 2019:3904923. [PMID: 30949498 PMCID: PMC6425345 DOI: 10.1155/2019/3904923] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 02/20/2019] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND AIMS A growing body of research has demonstrated that the degeneration of chondrocytes is the primary cause of osteoarthritis (OA). Parathyroid hormone-related protein (PTHrP) can alleviate the degeneration of chondrocytes via promotion of chondrocyte proliferation and inhibition of terminal differentiation, but the underlying mechanism remains unknown. This study aimed to identify the microRNAs (miRNAs) that may target PTHrP and regulate the proliferation and terminal differentiation of chondrocytes. METHODS Bioinformatic analysis was used to predict which miRNAs target PTHrP. We collected human knee cartilage specimens to acquire the primary chondrocytes, which we then used to test the expression and function of the targeted miRNAs. To explore the effects of miR-15a-5p on the putative binding sites, specific mimics or inhibitors were transfected into the chondrocytes. Furthermore, a dual-luciferase reporter gene assay and chondrocyte degeneration-related factors were used to verify the possible mechanism. RESULTS The expression of PTHrP was upregulated in the OA chondrocytes, whilst miR-15a-5p was downregulated in the OA chondrocytes. A negative correlation was observed between PTHrP and miR-15a-5p. The knockdown of miR-15a-5p promoted the growth of chondrocytes and inhibited calcium deposition, whilst overexpression of miR-15a-5p reversed this trend. The effect of miR-15a-5p overexpression was neutralised by PTHrP. Dual-luciferase reporter assays revealed that PTHrP can be used as a novel targeting molecule for miR-15a-5p. CONCLUSIONS miR-15a-5p promotes the degeneration of chondrocytes by targeting PTHrP and, in addition to helping us understand the development of OA, may be a potential biomarker of OA.
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Affiliation(s)
- Zhi-xi Duan
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha 410011, China
| | - Peng Huang
- Department of General Surgery, Xiangya Hospital, Central South University, No. 87 Xiangya Road, Changsha 410008, China
| | - Chao Tu
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha 410011, China
| | - Qing Liu
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha 410011, China
| | - Shuang-qing Li
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha 410011, China
| | - Ze-ling Long
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha 410011, China
| | - Zhi-hong Li
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha 410011, China
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Muller I, Premawardhana LD. Hypercalcaemia with undetectable parathormone levels. BMJ 2018; 363:k4074. [PMID: 30409898 DOI: 10.1136/bmj.k4074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Ilaria Muller
- Thyroid Research Group, Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
- Centre for Endocrine and Diabetes Sciences, University Hospital of Wales, Cardiff, UK
| | - Lakdasa D Premawardhana
- Centre for Endocrine and Diabetes Sciences, University Hospital of Wales, Cardiff, UK
- Section of Endocrinology, Department of Medicine, Ysbyty Ystrad Fawr, Caerphilly, UK
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Abstract
Neuroendocrine tumours (NETs) are neoplasms that arise from neuroendocrine cells. Neuroendocrine cells and their tumours can secrete a wide range of amines and polypeptide hormones into the systemic circulation. This feature has triggered widespread investigation into circulating biomarkers for the diagnosis of NETs as well as for the prediction of the biological behaviour of tumour cells. Classic examples of circulating biomarkers for gastroenteropancreatic NETs include chromogranin A, neuron-specific enolase and pancreatic polypeptide as well as hormones that elicit clinical syndromes, such as serotonin and its metabolites, insulin, glucagon and gastrin. Biomarker metrics of general markers for diagnosing all gastroenteropancreatic NET subtypes are limited, but specific hormonal measurements can be of diagnostic value in select cases. In the past decade, methods for detecting circulating transcripts and tumour cells have been developed to improve the diagnosis of patients with NETs. Concurrently, modern scanning techniques and superior radiotracers for functional imaging have markedly expanded the options for clinicians dealing with NETs. Here, we review the latest research on biomarkers in the NET field to provide clinicians with a comprehensive overview of relevant diagnostic biomarkers that can be implemented in dedicated situations.
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Affiliation(s)
- Johannes Hofland
- ENETS Center of Excellence, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, Netherlands.
| | - Wouter T Zandee
- ENETS Center of Excellence, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, Netherlands
| | - Wouter W de Herder
- ENETS Center of Excellence, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, Netherlands
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Abstract
Long-acting depot formulations of the currently available somatostatin analogues are considered the first-line treatment for control of hormonal excess by hormone-producing neuroendocrine tumors of the gastrointestinal tract and pancreas. These drugs are currently also considered the first-line treatment for tumor control of both hormone-producing and non-hormone-producing neuroendocrine tumors of the gastrointestinal tract and pancreas. These drugs need coupling and interaction with specific somatostatin receptor subtypes, which are expressed on the cells of neuroendocrine tumors of the gastrointestinal tract and pancreas.
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Affiliation(s)
- Wouter W de Herder
- Department of Internal Medicine, Sector of Endocrinology, ENETS Center of Excellence for Neuroendocrine Tumors, Erasmus MC, Dr. Molewaterplein 40, Rotterdam 3015 GD, The Netherlands.
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Sporadic Gastroenteropancreatic Neuroendocrine Tumors. Updates Surg 2018. [DOI: 10.1007/978-88-470-3955-1_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Patel P, Galoian K. Molecular challenges of neuroendocrine tumors. Oncol Lett 2017; 15:2715-2725. [PMID: 29456718 DOI: 10.3892/ol.2017.7680] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 12/13/2017] [Indexed: 02/07/2023] Open
Abstract
Neuroendocrine tumors (NETs) are a very heterogeneous group that are thought to originate from the cells of the endocrine and nervous systems. These tumors develop in a number of organs, predominantly in the gastrointestinal and pulmonary systems. Clinical detection and diagnosis are reliable at the late stages when metastatic spread has occurred. However, traditional conventional therapies such as radiation and chemotherapy are not effective. In the majority of cases even surgical resection at that stage is unlikely to produce promising reusults. NETs present a serious clinical challenge, as the survival rates remain low, and as these rare tumors are very difficult to study, novel approaches and therapies are required. This review will highlight the important points of accumulated knowledge covering the molecular aspects of the role of neuroendocrine cells, hormonal peptides, the reasons for ectopic hormone production in NET, neuropeptides and epigenetic regulation as well as the other challenging questions that require further understanding.
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Affiliation(s)
- Parthik Patel
- Department of Orthopedic Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Karina Galoian
- Department of Orthopedic Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
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Mazziotti G, Mosca A, Frara S, Vitale G, Giustina A. Somatostatin analogs in the treatment of neuroendocrine tumors: current and emerging aspects. Expert Opin Pharmacother 2017; 18:1679-1689. [PMID: 29067877 DOI: 10.1080/14656566.2017.1391217] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
INTRODUCTION Neuroendocrine tumors (NETs) harbor somatostatin receptors and there is a strong rationale for using somatostatin analogs (SSAs) for treatment of NETs. Areas covered: This article discusses i) pharmacology of somatostatin and its analogs; ii) antisecretory and anti-proliferative effects of SSAs in NETs; iii) efficacy and safety of emerging therapeutic regimens with first generation SSAs administered at either high doses or in combination with antineoplastic drugs; iv) efficacy and safety of pasireotide and chimeric molecules; v) efficacy of radionuclide therapy of NETs using SSAs. Expert opinion: SSAs are the first-line medical therapy for functioning and non-functioning well-differentiated NETs. In patients not responder to first generation SSAs, the increase of drug dose over the conventional regimens, the combination of SSAs with other biotherapies or molecular targeted therapies, the switch to pasireotide or the use of SSAs in radionuclide therapy may improve the therapeutic success.
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Affiliation(s)
| | - Alessandra Mosca
- b Medical Oncology , 'Maggiore della Carità' University Hospital , Novara , Italy
| | - Stefano Frara
- c Chair of Endocrinology , San Raffaele Vita-Salute University , Milan , Italy
| | - Giovanni Vitale
- d Department of Clinical Sciences and Community Health (DISCCO) , University of Milan , Milan , Italy.,e Laboratory of Geriatric and Oncologic Neuroendocrinology Research , Istituto Auxologico Italiano IRCCS , Milan , Italy
| | - Andrea Giustina
- c Chair of Endocrinology , San Raffaele Vita-Salute University , Milan , Italy
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Carmona-Bayonas A, Jiménez-Fonseca P, Custodio A, Grande E, Capdevila J, López C, Teule A, Garcia-Carbonero R. Optimizing Somatostatin Analog Use in Well or Moderately Differentiated Gastroenteropancreatic Neuroendocrine Tumors. Curr Oncol Rep 2017; 19:72. [PMID: 28920153 DOI: 10.1007/s11912-017-0633-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Somatostatin analogues, aiming to control tumor secretion or growth, constitute the most attractive therapeutic option for patients with well-differentiated gastroenteropancreatic neuroendocrine tumors (GEP-NETs). The objective of this article is to provide a comprehensive review of the current state-of-the-art knowledge gaps and potential opportunities for future development and optimization of this therapeutic modality. METHOD A contextualized systematic review with a narrative component was conducted using PubMed, The Cochrane Library, EMBASE, and Google Scholar. Titles were screened, and non-English, duplicate, or irrelevant entries were excluded. Selection criteria for articles included the following: publication in English between 1995 and 2016, patients with GEP-NETs, analysis of efficacy, safety, practical management considerations, predictive factors, and/or strategies for overcoming resistance, concerning somatostatin analogs. RESULTS Ninety-seven studies out of 2771 screened publications met the inclusion criteria (16 randomized clinical trials, 27 phase II trials, 3 phase I trials, 3 subgroup analyses of clinical trials, 1 open-label extension of a randomized trial, 1 phase IV trial, 32 observational studies, and 14 basic research articles). The nature and scope of literature was diverse with most articles dedicated to drug efficacy or indications of use (n = 49), pharmacological issues (n = 8), assessment or predictors of response (n = 4), practical management (n = 11), combination therapy or other means to overcome resistance (n = 19), receptors and signaling pathways (n = 3), and subgroup analyses (n = 3). CONCLUSION In this appraisal, we have found some practical aspects that can help to the optimization of somatostatin analog (SSA) therapy in patients with well-differentiated GEP-NETs. We have also identified areas of uncertainty in an effort to guide clinical research in the coming years.
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Affiliation(s)
- Alberto Carmona-Bayonas
- Department of Hematology and Medical Oncology, Morales Meseguer University Hospital, Calle Marqués de los Vélez, s/n, CP 30008, Murcia, Spain.
| | | | - Ana Custodio
- Department of Medical Oncology, La Paz University Hospital, Madrid, Spain
| | - Enrique Grande
- Department of Medical Oncology, Ramón y Cajal University Hospital, Madrid, Spain
| | - Jaume Capdevila
- Department of Medical Oncology, Vall D'Hebrón University Hospital, Vall D'Hebrón Institute of Oncology (VHIO), Universitat Autònoma de Barcelona, center affiliated with the Red Temática de Investigación Cooperativa en Cáncer (RTICC), Instituto Carlos III, Spanish Ministry of Science and Innovation, Barcelona, Spain
| | - Carlos López
- Department of Medical Oncology, Marqués de Valdecilla University Hospital, Santander, Spain
| | - Alex Teule
- Department of Medical Oncology, Institut Català d'Oncologia, L'Hospitalet de Llobregat, center affiliated with the Red Temática de Investigación Cooperativa en Cáncer (RTICC), Instituto Carlos III, Spanish Ministry of Science and Innovation, Barcelona, Spain
| | - Rocío Garcia-Carbonero
- Department of Medical Oncology, Doce de Octubre University Hospital, center affiliated with the Red Temática de Investigación Cooperativa en Cáncer (RTICC), Instituto Carlos III, Spanish Ministry of Science and Innovation, Madrid, Spain
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Zandee WT, van Adrichem RC, Kamp K, Feelders RA, van Velthuysen MLF, de Herder WW. Incidence and prognostic value of serotonin secretion in pancreatic neuroendocrine tumours. Clin Endocrinol (Oxf) 2017; 87:165-170. [PMID: 28464233 DOI: 10.1111/cen.13364] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Revised: 04/03/2017] [Accepted: 04/18/2017] [Indexed: 12/20/2022]
Abstract
BACKGROUND Serotonin secretion occurs in approximately 1%-4% of patients with a pancreatic neuroendocrine tumour (PNET), but the incidence is not well defined. The aim of this study was to determine the incidence of serotonin secretion with and without carcinoid syndrome and the prognostic value for overall survival (OS). METHODS Data were collected from 255 patients with a PNET if 24-hours urinary 5-hydroxyindoleacetic acid excretion (5-HIAA) was assessed. Patients were diagnosed with serotonin secretion if 24-hours urinary 5-HIAA excretion was more than 3× the upper limit of normal (ULN) of 50 μmol/24 hours during follow-up. The effect of serotonin secretion on OS was estimated with uni- and multivariate analyses using a Cox regression. RESULTS Two (0.8%) patients were diagnosed with carcinoid syndrome, and another 20 (7.8%) had a serotonin-secreting PNET without symptoms. These patients mostly had ENETS stage IV disease with high chromogranin A (CgA). Serotonin secretion was a negative prognostic factor in univariate analysis (HR 2.2, 95% CI: 1.27-3.81), but in multivariate analysis, only CgA>10× ULN (HR: 1.81, 95% CI: 1.10-2.98) and neuron-specific enolase (NSE) >ULN (HR: 3.51, 95% CI: 2.26-5.46) were predictors for OS. Immunohistochemical staining for serotonin was positive in 28.6% of serotonin-secreting PNETs (one with carcinoid syndrome) and negative in all controls. CONCLUSION Carcinoid syndrome is rare in patients with a PNET, but serotonin secretion occurs often. This is a negative prognostic factor for OS, but after correction for CgA and NSE, it is no longer a predictor and probably only a "not-so innocent bystander" in patients with high tumour burden.
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Affiliation(s)
- Wouter T Zandee
- Department of Internal Medicine, Sector Endocrinology, ENETS Centre of Excellence, Erasmus MC Cancer Institute, Erasmus MC, Rotterdam, The Netherlands
| | - Roxanne C van Adrichem
- Department of Internal Medicine, Sector Endocrinology, ENETS Centre of Excellence, Erasmus MC Cancer Institute, Erasmus MC, Rotterdam, The Netherlands
| | - Kimberly Kamp
- Department of Internal Medicine, Sector Endocrinology, ENETS Centre of Excellence, Erasmus MC Cancer Institute, Erasmus MC, Rotterdam, The Netherlands
| | - Richard A Feelders
- Department of Internal Medicine, Sector Endocrinology, ENETS Centre of Excellence, Erasmus MC Cancer Institute, Erasmus MC, Rotterdam, The Netherlands
| | | | - Wouter W de Herder
- Department of Internal Medicine, Sector Endocrinology, ENETS Centre of Excellence, Erasmus MC Cancer Institute, Erasmus MC, Rotterdam, The Netherlands
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Dimitriadis GK, Angelousi A, Weickert MO, Randeva HS, Kaltsas G, Grossman A. Paraneoplastic endocrine syndromes. Endocr Relat Cancer 2017; 24:R173-R190. [PMID: 28341725 DOI: 10.1530/erc-17-0036] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 03/24/2017] [Indexed: 12/13/2022]
Abstract
The majority of neoplasms are responsible for symptoms caused by mass effects to surrounding tissues and/or through the development of metastases. However, occasionally neoplasms, with or without endocrine differentiation, acquire the ability to secrete a variety of bioactive substances or induce immune cross-reactivity with the normal tissues that can lead to the development of characteristic clinical syndromes. These syndromes are named endocrine paraneoplastic syndromes when the specific secretory components (hormones, peptides or cytokines) are unrelated to the anticipated tissue or organ of origin. Endocrine paraneoplastic syndromes can complicate the patient's clinical course, response to treatment, impact prognosis and even be confused as metastatic spread. These syndromes can precede, occur concomitantly or present at a later stage of tumour development, and along with the secreted substances constitute the biological 'fingerprint' of the tumour. Their detection can facilitate early diagnosis of the underlying neoplasia, monitor response to treatment and/or detect early recurrences following successful initial management. Although when associated with tumours of low malignant potential they usually do not affect long-term outcome, in cases of highly malignant tumours, endocrine paraneoplastic syndromes are usually associated with poorer survival outcomes. Recent medical advances have not only improved our understanding of paraneoplastic syndrome pathogenesis in general but also enhanced their diagnosis and treatment. Yet, given the rarity of endocrine paraneoplastic syndromes, there is a paucity of prospective clinical trials to guide management. The development of well-designed prospective multicentre trials remains a priority in the field in order to fully characterise these syndromes and provide evidence-based diagnostic and therapeutic protocols.
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Affiliation(s)
- Georgios K Dimitriadis
- The Arden NET CoEWarwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals of Coventry and Warwickshire NHS Trust, Coventry, UK
| | - Anna Angelousi
- Division of PathophysiologyNational and Kapodistrian University of Athens Medical School, Athens, Greece
| | - Martin O Weickert
- The Arden NET CoEWarwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals of Coventry and Warwickshire NHS Trust, Coventry, UK
| | - Harpal S Randeva
- The Arden NET CoEWarwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals of Coventry and Warwickshire NHS Trust, Coventry, UK
| | - Gregory Kaltsas
- The Arden NET CoEWarwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals of Coventry and Warwickshire NHS Trust, Coventry, UK
- Division of PathophysiologyNational and Kapodistrian University of Athens Medical School, Athens, Greece
- Oxford Centre for DiabetesEndocrinology and Metabolism, University of Oxford, Oxford, UK
| | - Ashley Grossman
- Oxford Centre for DiabetesEndocrinology and Metabolism, University of Oxford, Oxford, UK
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Symington M, Davies L, Kaltsas G, Weickert MO. Malignant hypercalcaemia related to parathyroid hormone-related peptide (PTHrP) secretion from a metastatic pancreatic neuroendocrine tumour (NET). BMJ Case Rep 2017; 2017:bcr2017219692. [PMID: 28331027 PMCID: PMC5372178 DOI: 10.1136/bcr-2017-219692] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/09/2017] [Indexed: 11/04/2022] Open
Abstract
A 54-year-old woman presented to our centre with acute abdominal pain and vomiting. Routine blood tests showed severe hypercalcaemia (>4 mmol/L). Serum parathyroid hormone (PTH) was suppressed. CT scan detected a pancreatic mass and some liver lesions, initially suspicious for metastatic pancreatic adenocarcinoma. Liver biopsy however revealed the presence of a well-differentiated, grade 1, metastatic neuroendocrine tumour (NET) where prognosis is considerably better. Serum PTHrP was raised, indicating paraneoplastic hypercalcaemia, most likely secondary to the pancreatic NET. Following injection of a short-acting somatostatin analogue octreotide, serum PTHrP levels normalised within 24 hours, causing a rapid drop of serum calcium below the lower limit of normal and an immediate compensatory rise of serum PTH. Ongoing treatment with long-acting somatostatin analogues together with replacement with calcium carbonate, vitamin D3 and once weekly alendronic acid resulted in stable normal adjusted calcium levels over a 3-month follow-up period.
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Affiliation(s)
- Megan Symington
- The ARDEN NET Centre, ENETS CoE, University Hospitals Coventry and Warwickshire NHS Trust, Coventry, UK
| | - Louise Davies
- The ARDEN NET Centre, ENETS CoE, University Hospitals Coventry and Warwickshire NHS Trust, Coventry, UK
| | - Gregory Kaltsas
- The ARDEN NET Centre, ENETS CoE, University Hospitals Coventry and Warwickshire NHS Trust, Coventry, UK
| | - Martin O Weickert
- The ARDEN NET Centre, ENETS CoE, University Hospitals Coventry and Warwickshire NHS Trust, Coventry, UK
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40
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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: 75] [Impact Index Per Article: 10.7] [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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41
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Maia MC, Muniz Lourenço Jr. D, Riechelmann R. Efficacy and Long-Term Safety of Everolimus in Pancreatic Neuroendocrine Tumor Associated with Multiple Endocrine Neoplasia Type I: Case Report. Oncol Res Treat 2016; 39:643-645. [DOI: 10.1159/000448699] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Accepted: 06/20/2016] [Indexed: 11/19/2022]
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42
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Duan K, Mete O. Algorithmic approach to neuroendocrine tumors in targeted biopsies: Practical applications of immunohistochemical markers. Cancer Cytopathol 2016; 124:871-884. [DOI: 10.1002/cncy.21765] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Accepted: 06/27/2016] [Indexed: 01/19/2023]
Affiliation(s)
- Kai Duan
- Department of Pathology; University Health Network; Toronto Ontario Canada
- Department of Laboratory Medicine and Pathobiology; University of Toronto; Toronto Ontario Canada
| | - Ozgur Mete
- Department of Pathology; University Health Network; Toronto Ontario Canada
- Department of Laboratory Medicine and Pathobiology; University of Toronto; Toronto Ontario Canada
- Endocrine Oncology Site Group, Princess Margaret Cancer Centre; Toronto Ontario Canada
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43
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Smith JD, Nandakumar G. Hindgut Neuroendocrine Neoplasia. Indian J Surg Oncol 2016; 7:73-8. [PMID: 27065686 DOI: 10.1007/s13193-015-0477-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 10/13/2015] [Indexed: 12/17/2022] Open
Abstract
Neuroendocrine neoplasias (NENs) consist of a spectrum of tumors which can originate throughout the body, behave in a variety of different ways but are characterized by a similar histological appearance. This article reviews the classification, staging, diagnosis and treatment of Hindgut Neuroendocrine Neoplasias.
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Affiliation(s)
- James D Smith
- Surgery Weill Cornell Medical College, 525 East 68th Street, New York, NY 10021 USA
| | - Govind Nandakumar
- Courtesy Faculty at Weill Cornell Medical College, 20 Ali Asker Road, 560052 Bangalore, India
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44
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Falconi M, Eriksson B, Kaltsas G, Bartsch DK, Capdevila J, Caplin M, Kos-Kudla B, Kwekkeboom D, Rindi G, Klöppel G, Reed N, Kianmanesh R, Jensen RT. ENETS Consensus Guidelines Update for the Management of Patients with Functional Pancreatic Neuroendocrine Tumors and Non-Functional Pancreatic Neuroendocrine Tumors. Neuroendocrinology 2016; 103:153-71. [PMID: 26742109 PMCID: PMC4849884 DOI: 10.1159/000443171] [Citation(s) in RCA: 885] [Impact Index Per Article: 110.6] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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