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Helderman NC, Suerink M, Kilinç G, van den Berg JG, Nielsen M, Tesselaar MET. Relation between WHO Classification and Location- and Functionality-Based Classifications of Neuroendocrine Neoplasms of the Digestive Tract. Neuroendocrinology 2023; 114:120-133. [PMID: 37690447 PMCID: PMC10836754 DOI: 10.1159/000534035] [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] [Received: 03/27/2023] [Accepted: 08/21/2023] [Indexed: 09/12/2023]
Abstract
Practice of neuroendocrine neoplasms (NENs) of the digestive tract, which comprise of a highly diverse group of tumors with a rising incidence, faces multiple biological, diagnostic, and therapeutic issues. Part of these issues is due to misuse and misinterpretation of the classification and terminology of NENs of the digestive tract, which make it increasingly challenging to evaluate and compare the literature. For instance, grade 3 neuroendocrine tumors (NETs) are frequently referred to as neuroendocrine carcinomas (NECs) and vice versa, while NECs are, by definition, high grade and therefore constitute a separate entity from NETs. Moreover, the term NET is regularly misused to describe NENs in general, and NETs are frequently referred to as benign, while they should always be considered malignancies as they do have metastatic potential. To prevent misconceptions in future NEN-related research, we reviewed the most recent terminology used to classify NENs of the digestive tract and created an overview that combines the classification of these NENs according to the World Health Organization (WHO) with location- and functionality-based classifications. This overview may help clinicians and researchers in understanding the current literature and could serve as a guide in the clinic as well as for writing future studies on NENs of the digestive tract. In this way, we aim for the universal use of terminology, thereby providing an efficient foundation for future NEN-related research.
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Affiliation(s)
- Noah C Helderman
- Department of Clinical Genetics, Leiden University Medical Centre, Leiden, The Netherlands
| | - Manon Suerink
- Department of Clinical Genetics, Leiden University Medical Centre, Leiden, The Netherlands
| | - Gül Kilinç
- Department of Infectious Diseases, Leiden University Medical Centre, Leiden, The Netherlands
| | - José G van den Berg
- Department of Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Maartje Nielsen
- Department of Clinical Genetics, Leiden University Medical Centre, Leiden, The Netherlands
| | - Margot E T Tesselaar
- Department of Medical Oncology, Netherlands Cancer Institute, Amsterdam, The Netherlands
- Department of Gastrointestinal Oncology, Netherlands Cancer Institute, Amsterdam, The Netherlands
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Perrier M, Mouawad C, Gueguen D, Thomé B, Lapeyre-Mestre M, Walter T. Health care resource use and costs among patients with carcinoid syndrome in France: Analysis of the National Health Insurance Database. Clin Res Hepatol Gastroenterol 2023; 47:102177. [PMID: 37453678 DOI: 10.1016/j.clinre.2023.102177] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 06/23/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023]
Abstract
OBJECTIVES Carcinoid syndrome (CS) develops in approximately 20% of patients with neuroendocrine tumours (NET). This study described healthcare resource utilization and its associated costs among patients with NET and CS, using the French national health care data system. METHODS Patients were included if they had a hospital stay associated with the code E34.0 "CS" and at least one delivery of a somatostatin analogue (SSA) between 01/01/2012 and 31/12/2016. The end of the analysis was either 31/12/2017 or the date of death, whichever occurred first. Mean overall costs were described by item of expenditure and by periods. RESULTS 646 patients were included: 64yo, 55% men, 64% and 15% had NET from the small-intestine or lung, respectively. Among them, 309 patients were incident and 271 died during the study period. Mean overall cost per person per month (PPPM) was €2,892: €3,273 for the first year following diagnosis, €2,574 in "middle-years" and €5,039 within the year preceding death. The two most costly expenditure items were drugs (€1,695 PPPM) and hospital stays (€870 PPPM). CONCLUSION The first year following diagnosis and the year preceding death are the two periods representing the highest costs for CS care in France. Successful disease management may contribute to lower costs in the intermediate period.
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Affiliation(s)
- Marine Perrier
- Department of Digestive Oncology, ENETS Centre of Excellence, Edouard Herriot Hospital, Hospices Civils de Lyon, 69003 Lyon, France.
| | | | | | | | - Maryse Lapeyre-Mestre
- Department of Medical and Clinical Pharmacology, Toulouse University Hospital, Toulouse, France
| | - Thomas Walter
- Department of Digestive Oncology, ENETS Centre of Excellence, Edouard Herriot Hospital, Hospices Civils de Lyon, 69003 Lyon, France
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The Role of Somatostatin Analogues in the Control of Diarrhea and Flushing as Markers of Carcinoid Syndrome: A Systematic Review and Meta-Analysis. J Pers Med 2023; 13:jpm13020304. [PMID: 36836538 PMCID: PMC9959441 DOI: 10.3390/jpm13020304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 01/27/2023] [Accepted: 02/06/2023] [Indexed: 02/11/2023] Open
Abstract
BACKGROUND Somatostatin analogues (SSAs) are the cornerstone of treatment for carcinoid syndrome (CS)-related symptoms. The aim of this systematic review and meta-analysis is to evaluate the percentage of patients achieving partial (PR) or complete response (CR) with the use of long-acting SSAs in patients with CS. METHODS A systematic electronic literature search was conducted in PubMed, Cochrane, and Scopus to identify eligible studies. Any clinical trials reporting data on the efficacy of SSAs to alleviate symptoms in adult patients were considered as potentially eligible. RESULTS A total of 17 studies reported extractable outcomes (PR/CR) for quantitative synthesis. The pooled percentage of patients with PR/CR for diarrhea was estimated to be 0.67 (95% confidence interval (CI): 0.52-0.79, I2 = 83%). Subgroup analyses of specific drugs provided no evidence of a differential response. With regards to flushing, the pooled percentage of patients with PR/CR was estimated to be 0.68 (95% CI: 0.52-0.81, I2 = 86%). Similarly, no evidence of a significant differential response in flushing control was documented. CONCLUSIONS We estimate there is a 67-68% overall reduction in symptoms of CS associated with SSA treatment. However, significant heterogeneity was detected, possibly revealing differences in the disease course, in management and in outcome definition.
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Liu M, Wei L, Liu W, Chen S, Guan M, Zhang Y, Guo Z, Liu R, Xie P. Trends in incidence and survival in patients with gastrointestinal neuroendocrine tumors: A SEER database analysis, 1977-2016. Front Oncol 2023; 13:1079575. [PMID: 36776304 PMCID: PMC9909535 DOI: 10.3389/fonc.2023.1079575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 01/04/2023] [Indexed: 01/27/2023] Open
Abstract
Objectives We aimed to determine trends in incidence and survival in patients with gastrointestinal neuroendocrine tumors (GI-NETs) from 1977 to 2016, and then analyze the potential risk factors including sex, age, race, grade, Socioeconomic status (SES), site, and stage. Methods Data were obtained from Surveillance, Epidemiology, and End Results Program (SEER) database. Kaplan-Meier survival analysis, relative survival rates (RSRs), and Cox proportional risk regression model were used to evaluate the relationship between these factors and prognosis. Results Compared with other sites, the small intestine and rectum have the highest incidence, and the appendix and rectum had the highest survival rate. The incidence was higher in males than in females, and the survival rate in males was close to females. Blacks had a higher incidence rate than whites, but similar survival rates. Incidence and survival rates were lower for G3&4 than for G1 and G2. Age, stage, and grade are risk factors. Conclusions This study described changes in the incidence and survival rates of GI-NETs from 1977 to 2016 and performed risk factor analyses related to GI-NETs.
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Affiliation(s)
- Miao Liu
- Department of Nuclear Medicine, The Third Hospital, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Lingge Wei
- Department of Nuclear Medicine, The Third Hospital, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Wei Liu
- Department of Nuclear Medicine, The Third Hospital, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Shupeng Chen
- Department of Nuclear Medicine, The Third Hospital, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Meichao Guan
- Department of Nuclear Medicine, The Third Hospital, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Yingjie Zhang
- Department of Nuclear Medicine, The Third Hospital, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Ziyu Guo
- Department of Nuclear Medicine, The Third Hospital, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Ruiqi Liu
- Department of Nuclear Medicine, Hebei General Hospital, Shijiazhuang, Hebei, China
| | - Peng Xie
- Department of Nuclear Medicine, The Third Hospital, Hebei Medical University, Shijiazhuang, Hebei, China,*Correspondence: Peng Xie,
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Hummelshøj NE, Gronbaek H, Bager P, Tabaksblat E, Dam G. Fatigue and quality of life in patients with neuroendocrine neoplasia. Scand J Gastroenterol 2023; 58:45-53. [PMID: 35850607 DOI: 10.1080/00365521.2022.2100228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
INTRODUCTION Neuroendocrine Neoplasms (NEN) are rare tumours arising in the gastro-intestinal tract or lungs. Poor health related quality of life (HRQoL) is associated with the carcinoid syndrome (CS), but fatigue is also important. We aimed to quantify HRQoL and fatigue in out-patients with NEN. METHODS In a cross-sectional study, we included 231 patients with NEN (G1-G3). We used pre-validated questionnaires MFI-20, EQ-5D-5L and 85% responded. We collected clinical, biochemical, imaging, and pathology data from Electronic Patient files. Normative values for fatigue and HRQoL were derived from background populations. RESULTS Median age was 68 years (range 21-91) and 52% were male. Patients with NEN reported more fatigue and worse HRQoL compared to the background population (p < .05). Cured patients reported higher HRQoL than patients with current disease, and patients with high grade neoplasms (G2-G3) reported more anxiety and depression compared to patients with low grade G1 disease (p < .05). The CS resulted in a 9% relative loss in Quality Adjusted Life Years compared to patients without CS. (p < .05). More than 50% of patients with CS reported problems with usual activities, pain/discomfort, and anxiety/depression. Overall, 36% of patients with NEN were fatigued and 92% of these had psychological fatigue. Younger patients (<65 years) experienced more fatigue than older patients (p < .05). CONCLUSION Patients with NEN report significantly lower HRQoL and more fatigue compared to the background population. Especially, patients with CS had pain, discomfort, anxiety, and depression and a relative reduction in HRQoL. However, compared to other cancer types, patients with NEN experience less fatigue.
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Affiliation(s)
| | - Henning Gronbaek
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Palle Bager
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | | | - Gitte Dam
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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Small bowel neuroendocrine neoplasm: what surgeons want to know. ABDOMINAL RADIOLOGY (NEW YORK) 2022; 47:4005-4015. [PMID: 35312820 DOI: 10.1007/s00261-022-03485-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/01/2022] [Accepted: 03/02/2022] [Indexed: 01/18/2023]
Abstract
Neuroendocrine neoplasms of the small bowel are a diverse group of tumors with a broad spectrum of imaging findings and clinical implications. Most tumors originate in close proximity to the ileocecal valve and most commonly metastasize to the mesentery and liver. This review will highlight the imaging findings of primary and metastatic small bowel neuroendocrine neoplasm that are most relevant to the surgical team.
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Pan IW, Halperin DM, Kim B, Yao JC, Shih YCT. A Systematic Review of Economic and Quality-of-Life Research in Carcinoid Syndrome. PHARMACOECONOMICS 2021; 39:1271-1297. [PMID: 34378163 PMCID: PMC9109155 DOI: 10.1007/s40273-021-01071-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/18/2021] [Indexed: 05/25/2023]
Abstract
BACKGROUND To date, the economic burden and patient-reported outcomes associated with carcinoid syndrome (CS) in patients with neuroendocrine tumor (NET) remain largely unknown. OBJECTIVES The objective of this study was to perform a systematic review of economic and quality-of-life (QOL) studies related to the treatment of CS. METHODS Articles included in the review were extracted from PubMed, Embase, and the Cochrane Library. Studies had to be in English and published between 1 January 2000 and 2 July 2020. Other study eligibility criteria included patients with NET with CS receiving treatment for CS, study outcomes of cost or QOL, and clinical trials or population-based studies using claims or other secondary databases. The interventions included somatostatin analogs, telotristat ethyl, or other treatment for CS. To evaluate the quality and bias of the included studies, the 24-item CHEERS and 10-item Gill and Feinstein checklists were used. We report a narrative synthesis of the findings from the selected studies. RESULTS A total of 12 economic and 12 QOL studies met the inclusion criteria and were included for review. Patients with uncontrolled CS symptoms had 23-92% higher costs than those with controlled CS; mostly, ambulatory/outpatient services were the primary drivers of the costs. The use of telotristat ethyl may be cost effective if the societal willingness to pay is as high as $US150,000 per quality-adjusted life-year in the USA. Of the 12 QOL papers, only three case-control studies assessed QOL at baseline and more than two follow-up time points. Seven studies evaluated QOL at two or more time points but lacked a control group, obscuring direct intervention effects on patients' well-being. CONCLUSIONS We observed wide variations in the reviewed studies evaluating the economic burden and patient-reported outcomes, in terms of cost and QOL, of patients with CS. Although QOL is consistently impaired and costs are consistently increased by CS, the numbers of both cost and QOL studies among this patient population remain sparse, and many of the existing studies indicated an important need for quality improvement.
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Affiliation(s)
- I-Wen Pan
- Section of Cancer Economics and Policy, Department of Health Services Research, The University of Texas MD Anderson Cancer Center, 1400 Pressler Street, Unit 1444, Houston, TX, 77030, USA.
| | - Daniel M Halperin
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Bumyang Kim
- Section of Cancer Economics and Policy, Department of Health Services Research, The University of Texas MD Anderson Cancer Center, 1400 Pressler Street, Unit 1444, Houston, TX, 77030, USA
| | - James C Yao
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ya-Chen Tina Shih
- Section of Cancer Economics and Policy, Department of Health Services Research, The University of Texas MD Anderson Cancer Center, 1400 Pressler Street, Unit 1444, Houston, TX, 77030, USA
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Alvarez-Villegas D, Giménez-Milà M, Sbraga F, Camprubí I, Gil A, Valchanov K, Shayan H, Castillo J, Weiner MM. Dealing With the Right Side: Carcinoid Heart Disease. J Cardiothorac Vasc Anesth 2021; 36:2793-2802. [PMID: 34863651 DOI: 10.1053/j.jvca.2021.10.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 10/19/2021] [Indexed: 11/11/2022]
Affiliation(s)
- David Alvarez-Villegas
- Department of Anesthesia and Critical Care,Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Marc Giménez-Milà
- Department of Anesthesia and Critical Care,Hospital Clínic Barcelona, Universitat de Barcelona, Barcelona, Spain.
| | - Fabrizio Sbraga
- Department of Cardiovascular Surgery and Transplantation, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Immaculada Camprubí
- Department of Anesthesia and Critical Care,Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Albert Gil
- Department of Anesthesia and Critical Care,Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Kamen Valchanov
- Department of Anesthesia,Royal Columbian Hospital, New Westminster, British Columbia, Canada
| | - Hossain Shayan
- Department of Cardiac Surgery, Royal Columbian Hospital, New Westminster, British Columbia, Canada
| | - Javier Castillo
- Heart & Lung Institute, Bayamon Medical Center, Bayamon, Puerto Rico
| | - Menachem M Weiner
- Department of Anesthesiology, The Mount Sinai Medical Center, One Gustave L. Levy Place, New York, NY
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Spada F, Rossi RE, Kara E, Laffi A, Massironi S, Rubino M, Grimaldi F, Bhoori S, Fazio N. Carcinoid Syndrome and Hyperinsulinemic Hypoglycemia Associated with Neuroendocrine Neoplasms: A Critical Review on Clinical and Pharmacological Management. Pharmaceuticals (Basel) 2021; 14:ph14060539. [PMID: 34199977 PMCID: PMC8228616 DOI: 10.3390/ph14060539] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 05/31/2021] [Accepted: 06/01/2021] [Indexed: 02/05/2023] Open
Abstract
The carcinoid syndrome (CS) and hyperinsulinemic hypoglycemia (HH) represent two of the most common clinical syndromes associated with neuroendocrine neoplasms (NENs). The former is mainly related to the serotonin secretion by a small bowel NEN, whereas the latter depends on an insulin hypersecretion by a pancreatic insulinoma. Both syndromes/conditions can affect prognosis and quality of life of patients with NENs. They are often diagnosed late when patients become strongly symptomatic. Therefore, their early detection and management are a critical step in the clinical management of NEN patients. A dedicated and experienced multidisciplinary team with appropriate therapeutic strategies is needed and should be encouraged to optimize clinical outcomes. This review aims to critically analyze clinical features, evidence and treatment options of CS and HH and therefore to improve their management.
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Affiliation(s)
- Francesca Spada
- Division of Gastrointestinal Medical Oncology and Neuroendocrine Tumors, European Institute of Oncology (IEO) IRCCS, via G. Ripamonti 435, 20141 Milano, Italy; (F.S.); (A.L.); (M.R.)
| | - Roberta E. Rossi
- Hepatology and Hepato-Pancreatic-Biliary Surgery and Liver Transplantation, Fondazione IRCCS, Istituto Nazionale Tumori (INT), via G. Venezian 1, 20133 Milano, Italy; (R.E.R.); (S.B.)
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, via Festa del Perdono 7, 20122 Milano, Italy
| | - Elda Kara
- Endocrinology and Metabolism Unit, University Hospital S. Maria della Misericordia, Piazzale Santa Maria della Misericordia, 15, 33100 Udine, Italy; (E.K.); (F.G.)
| | - Alice Laffi
- Division of Gastrointestinal Medical Oncology and Neuroendocrine Tumors, European Institute of Oncology (IEO) IRCCS, via G. Ripamonti 435, 20141 Milano, Italy; (F.S.); (A.L.); (M.R.)
| | - Sara Massironi
- Division of Gastroenterology, San Gerardo Hospital, Bicocca School of Medicine, University of Milano Bicocca, 20126 Milano, Italy;
| | - Manila Rubino
- Division of Gastrointestinal Medical Oncology and Neuroendocrine Tumors, European Institute of Oncology (IEO) IRCCS, via G. Ripamonti 435, 20141 Milano, Italy; (F.S.); (A.L.); (M.R.)
| | - Franco Grimaldi
- Endocrinology and Metabolism Unit, University Hospital S. Maria della Misericordia, Piazzale Santa Maria della Misericordia, 15, 33100 Udine, Italy; (E.K.); (F.G.)
| | - Sherrie Bhoori
- Hepatology and Hepato-Pancreatic-Biliary Surgery and Liver Transplantation, Fondazione IRCCS, Istituto Nazionale Tumori (INT), via G. Venezian 1, 20133 Milano, Italy; (R.E.R.); (S.B.)
| | - Nicola Fazio
- Division of Gastrointestinal Medical Oncology and Neuroendocrine Tumors, European Institute of Oncology (IEO) IRCCS, via G. Ripamonti 435, 20141 Milano, Italy; (F.S.); (A.L.); (M.R.)
- Correspondence: ; Tel.: +39-025-748-9258
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Michael M, Chantrill L, Price T, Chan DL, Wakelin K, Cummins M. Real-world management and patient perspectives on QOL with neuroendocrine tumors: An ANZ perspective. Asia Pac J Clin Oncol 2021; 17 Suppl 2:3-10. [PMID: 33851520 DOI: 10.1111/ajco.13587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Indexed: 11/28/2022]
Affiliation(s)
- Michael Michael
- Neuroendocrine Unit, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Lorraine Chantrill
- Illawarra Shoalhaven Local Health District, Wollongong, New South Wales, Australia
| | - Timothy Price
- Queen Elizabeth Hospital, Adelaide, South Australia, Australia
| | - David L Chan
- Royal North Shore Hospital, Sydney, New South Wales, Australia.,Northern Clinical School, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Kate Wakelin
- NeuroEndocrine Cancer Australia, Melbourne, Victoria, Australia
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Ito T, Jensen RT. Perspectives on the current pharmacotherapeutic strategies for management of functional neuroendocrine tumor syndromes. Expert Opin Pharmacother 2020; 22:685-693. [PMID: 33131345 DOI: 10.1080/14656566.2020.1845651] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Introduction: In the past, controlling the hormone-excess-state was the main determinant of survival in Functional-Neuroendocrine-Neoplasm-syndromes (F-NENs). This was difficult because the pharmacological-armamentarium available was limited. Recently, new therapeutic strategies have increased but it also generated controversies/uncertainties.Areas covered: The authors briefly review: established/proposed F-NENs; the rationale for treatments; the recommended initial-pharmacotherapeutic-approach to controlling F-NENs hormone-excess-state; the secondary-approaches if the initial approach fails or resistance develops; and the approach to deal with the malignant nature of the NEN. Also discussed are controversies/uncertainties related to new treatments.Expert opinion: Unfortunately, except for patients with insulinomas (>90-95%), gastrinomas (<20-40%), a minority with the other F-panNENs and 0-<1% with Carcinoid-syndrome is curative-surgery possible. Except for insulinomas, gastrinomas, and ACTHomas, long-acting somatostatin-analogs are the initial-pharmacological-treatments for hormone-excess-state. For insulinomas prior to surgery/malignancy, diazoxide is the initial drug-treatment; for gastrinomas, oral PPIs; and for ACTHomas, steroidogenesis inhibitors. There are now several secondary pharmacotherapeutic treatments. Surgery and liver-directed therapies also have a role in selected patients. Particularly promising is the recent results with PRRT for the hormone-excess-state, independent of its anti-growth effect. The sequence to use various agents and the approach to syndrome diagnosis while taking various agents remains unclear/controversial in many cases.
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Affiliation(s)
- Tetsuhide Ito
- Neuroendocrine Tumor Centre, Fukuoka Sanno Hospital, International University of Health and Welfare, Fukuoka, Japan
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Jabaji R, Kern T, Shen D, Chu W, Merchant M. Primary Renal Carcinoid Tumor: Report of Two Cases. Perm J 2020; 24:19.147. [PMID: 32240087 DOI: 10.7812/tpp/19.147] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Primary renal carcinoid tumors are a rare subset of neuroendocrine tumors arising in the kidneys. Although carcinoid syndrome has occasionally been described, most patients are asymptomatic at presentation. CASE PRESENTATIONS We present 2 cases of primary renal carcinoid tumor and describe the workup, immunohistochemical analysis, treatment, and surveillance of each female patient. The first patient was found to have a renal mass on imaging during a workup of chronic abdominal pain and subsequently underwent a robotic radical nephrectomy. The second patient was found to have an incidental renal mass on imaging and subsequently underwent renal biopsy, followed by robot-assisted laparoscopic partial nephrectomy. In both cases, a gallium dotatate Ga 68-enhanced positron emission tomography/computed tomography scan was used to further assess disease burden. DISCUSSION This report describes 2 cases of primary renal carcinoid tumor with unique presentations and management in our regional health care system. Because primary renal carcinoid tumors are quite uncommon, there are no clear established guidelines on preoperative imaging or posttreatment surveillance in patients with these tumors. There remains a large amount of variability in the diagnosis, workup, immunohistochemical analysis, treatment, and surveillance of patients with primary renal carcinoid tumors. As we learn more about this disease, we hope to optimize patient outcomes and standardize pretreatment workup and posttreatment surveillance.
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Affiliation(s)
- Ramzi Jabaji
- Department of Urology, Los Angeles Medical Center, CA
| | - Tyler Kern
- Department of Urology, Los Angeles Medical Center, CA
| | - Dejun Shen
- Department of Pathology, Downey Medical Center, CA
| | - William Chu
- Department of Urology, Downey Medical Center, CA
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