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Pancreatic neuroendocrine tumour

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https://www.readbyqxmd.com/read/28540973/pancreatic-neuroendocrine-neoplasms-management-guidelines-recommended-by-the-polish-network-of-neuroendocrine-tumours
#1
Beata Kos-Kudła, Violetta Rosiek, Małgorzata Borowska, Agata Bałdys-Waligórska, Tomasz Bednarczuk, Jolanta Blicharz-Dorniak, Marek Bolanowski, Agnieszka Boratyn-Nowicka, Andrzej Cichocki, Jarosław B Ćwikła, Massimo Falconi, Wanda Foltyn, Foltyn Handkiewicz-Junak, Alicja Hubalewska-Dydejczyk, Barbara Jarząb, Michał Jarząb, Roman Junik, Dariusz Kajdaniuk, Grzegorz Kamiński, Agnieszka Kolasińska-Ćwikła, Aldona Kowalska, Robert Król, Leszek Królicki, Jolanta Kunikowska, Katarzyna Kuśnierz, Paweł Lampe, Dariusz Lange, Anna Lewczuk-Myślicka, Andrzej Lewiński, Michał Lipiński, Magdalena Londzin-Olesik, Bogdan Marek, Anna Nasierowska-Guttmejer, Ewa Nowakowska-Duława, Joanna Pilch-Kowalczyk, Marek Ruchała, Lucyna Siemińska, Anna Sowa-Staszczak, Teresa Starzyńska, Katarzyna Steinhof-Radwańska, Janusz Strzelczyk, Krzysztof Sworczak, Anhelli Syrenicz, Andrzej Szawłowski, Marek Szczepkowski, Ewa Wachuła, Wojciech Zajęcki, Anna Zemczak, Wojciech Zgliczyński
This article presents updated diagnostic and therapeutic guidelines for the management of pancreatic neuroendocrine tumours (PNEN), proposed by the Polish Network of Neuroendocrine Tumours. The guidelines contain new data received in the years 2013-2016, which confirm previous recommendations, and have led to modification of previous guidelines or have resulted in the formulation of new guidelines. Biochemical and imaging (anatomical and functional) tests are of great importance in diagnostics, as well as histopathological diagnosis to determine the management of PNEN patients, but they must be confirmed by an immunohistochemical examination...
2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/28501762/poorly-differentiated-gastro-entero-pancreatic-neuroendocrine-carcinomas-are-they-really-heterogeneous-insights-from-the-ffcd-gte-national-cohort
#2
T Walter, D Tougeron, E Baudin, K Le Malicot, T Lecomte, D Malka, O Hentic, S Manfredi, I Bonnet, R Guimbaud, R Coriat, C Lepère, C Desauw, A Thirot-Bidault, L Dahan, G Roquin, T Aparicio, J-L Legoux, C Lombard-Bohas, J-Y Scoazec, C Lepage, G Cadiot
BACKGROUND: Diagnosis and management of poorly differentiated gastro-entero-pancreatic (GEP) neuroendocrine carcinomas (NECs) remain challenging. Recent studies suggest prognostic heterogeneity. We designed within the French Group of Endocrine Tumours a prospective cohort to gain insight in the prognostic stratification and treatment of GEP-NEC. PATIENTS AND METHODS: All patients with a diagnosis of GEP-NEC between 1st January 2010 and 31st December 2013 could be included in this national cohort...
May 11, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28464233/incidence-and-prognostic-value-of-serotonin-secretion-in-pancreatic-neuroendocrine-tumours
#3
Wouter T Zandee, Roxanne C S van Adrichem, Kimberly Kamp, Richard A Feelders, Marie-Louise F van Velthuysen, Wouter W de Herder
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 is 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-hour urinary 5-hydroxyindoleacitic acid excretion (5-HIAA) was assessed. Patients were diagnosed with serotonin secretion if 24-hour urinary 5-HIAA excretion was more than 3x the upper limit of normal (ULN) of 50 μmol/24 hours during follow-up...
May 2, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28458908/endoscopic-ultrasound-guided-ethanol-ablation-therapy-for-pancreatic-insulinoma-an-unusual-strategy
#4
Adriana de Sousa Lages, Isabel Paiva, Patrícia Oliveira, Francisco Portela, Francisco Carrilho
SUMMARY: Insulinomas are the most frequent cause of hyperinsulinaemic hypoglycaemia. Although surgical enucleation is the standard treatment, a few other options are available to high-risk patients who are elderly or present with co-morbidities. We present a case report of an 89-year-old female patient who was admitted to the emergency department due to recurrent hypoglycaemia, especially during fasting. Laboratory work-up raised the suspicion of hyperinsulinaemic hypoglycaemia, and abdominal CT scan revealed a 12 mm nodular hypervascular lesion of the pancreatic body suggestive of neuroendocrine tumour...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28423380/a-systematic-review-of-symptoms-and-quality-of-life-issues-in-pancreatic-neuroendocrine-tumours
#5
Megan Topping, Debra Gray, Elizabeth Friend, Albert Davies, John Ramage
No abstract text is available yet for this article.
April 20, 2017: Neuroendocrinology
https://www.readbyqxmd.com/read/28420716/a-men1-pancreatic-neuroendocrine-tumour-mouse-model-under-temporal-control
#6
Kate E Lines, Roeland P Vas Nunes, Morten Frost, Christopher J Yates, Mark Stevenson, Rajesh Thakker
Multiple endocrine neoplasia type 1 (MEN1) is an autosomal dominant disorder characterised by occurrence of parathyroid tumours, and neuroendocrine tumours (NETs) of the pancreatic islets and anterior pituitary. The MEN1 gene, encoding menin, is a tumour suppressor, but its precise role in initiating in vivo tumourigenesis remains to be elucidated. The availability of a temporally controlled conditional MEN1 mouse model would greatly facilitate the study of such early tumourigenic events, and overcome the limitations of other MEN1 knockout models, in which menin is lost from conception, or tumour development occurs asynchronously...
April 18, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28405826/everolimus-as-first-line-therapy-for-pancreatic-neuroendocrine-tumours-current-knowledge-and-future-perspectives
#7
REVIEW
Marco Gallo, Pasqualino Malandrino, Giuseppe Fanciulli, Francesca Rota, Antongiulio Faggiano, Annamaria Colao
PURPOSE: Everolimus has been shown to be effective for advanced pancreatic neuroendocrine tumours (pNETs), but its positioning in the therapeutic algorithm for pNETs is matter of debate. METHODS: With the aim to shed light on this point, we performed an up-to-date critical review taking into account the results of both retrospective and prospective published studies, and the recommendations of international guidelines. In addition, we performed an extensive search on the Clinical Trial Registries databases worldwide, to gather information on the ongoing clinical trials related to this specific topic...
April 12, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28400403/molecular-imaging-in-the-investigation-of-hypoglycaemic-syndromes-and-their-management
#8
David A Pattison, Rodney J Hicks
There has been recent progress in molecular imaging using a variety of cellular targets for the investigation of adult non-diabetic hypoglycaemic syndromes and its integration into patient management. These targets include peptide receptors - somatostatin receptors (SSTR) and glucagon-like peptide-1 receptor (GLP-1R) - the Amine Precursor Uptake and Decarboxylation system utilising the diphydroxyphenylaline (DOPA) analogue 6-[18F]-L-fluoro-L-3, 4-dihydroxyphenylalanine (18F-FDOPA), and glycolytic metabolism with 2-[18F]Fluoro-2-Deoxy-D-Glucose (FDG)...
April 11, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28385665/dictating-genomic-destiny-epigenetic-regulation-of-pancreatic-neuroendocrine-tumours
#9
REVIEW
Justin S Gundara, Karim Jamal, Tom Kurzawinski
Pancreatic neuroendocrine tumours are a diverse group of neoplasms with an increasingly well-defined genomic basis. Despite this, much of what drives this disease is still unknown and epigenetic influences represent the next tier of gene, and hence disease modifiers that are of unquestionable importance. Moreover, they are of arguably more significance than the genes themselves given their malleable nature and potential to be exploited for not only diagnosis and prognosis, but also therapy. This review summarises what is known regarding the key epigenetic modifiers of disease through the domains of diagnosis, prognosis and treatment...
April 4, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28348766/can-anaerobes-be-acid-fast-a-novel-clinically-relevant-acid-fast-anaerobe
#10
Maria E Navas, Robin Jump, David H Canaday, Maria D Wnek, Dhruba J SenGupta, John R McQuiston, Melissa Bell
INTRODUCTION: Anaerobic acid fast bacilli (AFB) have not been previously reported in clinical microbiology. This is the second case report of a novel anaerobic AFB causing disease in humans. CASE PRESENTATION: An anaerobic AFB was isolated from an abdominal wall abscess in a 64-year-old Caucasian diabetic male, who underwent distal pancreatectomy and splenectomy for resection of a pancreatic neuroendocrine tumour. The isolated bacteria were gram-variable and acid-fast, consisting of small irregular rods...
August 2016: JMM Case Reports
https://www.readbyqxmd.com/read/28344687/disseminated-pancreatic-neuroendocrine-neoplasm-nen-with-an-uncommon-localisation-in-the-central-nervous-system-a-case-report
#11
Joanna Białkowska, Agnieszka Kolasińska-Ćwikła, Dorota Mroczkowska, Mariusz Sowa, Łukasz Grabarczyk, Wojciech Maksymowicz, Andrzej Cichocki, Jarosław B Ćwikła
BACKGROUND: Neuroendocrine neoplasms (NEN) are rare neoplasms that originate from neuroendocrine cells and are characterized by the potential of hormonal activity. Approximately 70% of these tumours are located in the gastrointestinal system (GI), followed by the bronchi, endocrine glands-like C cells of the thyroid (medullary carcinoma), the parasympathetic and sympathetic system (paragangliomas, pheochromocytoma) and other very rare locations. The prevalence of cerebral metastases in neuroendocrine tumours is estimated by various authors to be approximately 1...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28332450/nuclear-medicine-in-patients-with-net-radiolabeled-somatostatin-analogues-and-their-brothers
#12
Vincenzo Cuccurullo, Maria Rosaria Prisco, Giuseppe Danilo Di Stasio, Luigi Mansi
Although Somastostatin (SS) scintigraphy (SRS) has been introduced many years ago, it remains the most diffuse radionuclide diagnostic tool in patients with neuroendocrine tumours (NETs). Being SS receptors (SSTR) expressed in the majority of NETs, radiolabeled SS analogues (SS-A) provide high diagnostic accuracy, mainly in patients with gastro-entero-pancreatic (GEP) tumors. SSTR are the best target for radiotracers used either for diagnostic and therapeutic purposes in NETs due to their presence on the surface of neoplastic cells of clinical interest...
March 23, 2017: Current Radiopharmaceuticals
https://www.readbyqxmd.com/read/28331027/malignant-hypercalcaemia-related-to-parathyroid-hormone-related-peptide-pthrp-secretion-from-a-metastatic-pancreatic-neuroendocrine-tumour-net
#13
Megan Symington, Louise Davies, Gregory Kaltsas, Martin O Weickert
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...
March 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28323985/utility-of-fdg-pet-imaging-for-risk-stratification-of-pancreatic-neuroendocrine-tumours-in-men-1
#14
E R Kornaczewski Jackson, O P Pointon, R Bohmer, J R Burgess
Context: Patients with Multiple Endocrine Neoplasia Type 1 (MEN 1) are at high risk of malignant pancreatic Neuroendocrine Tumours (pNETs). Structural imaging is typically used to screen for pNETs, but is suboptimal for stratifying malignant potential. Objective: To determine the utility of Fluorodeoxyglucose (18F) positron emission tomography/computed tomography (18F-FDG PET/CT) for predicting the malignant potential of pNETs in MEN 1. Design: Retrospective observational study...
March 7, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28320587/is-surgery-the-best-treatment-for-sporadic-small-%C3%A2-2%C3%A2-cm-non-functioning-pancreatic-neuroendocrine-tumours-a-single-centre-experience
#15
Claudio Ricci, Giovanni Taffurelli, Davide Campana, Valentina Ambrosini, Carlo Alberto Pacilio, Nico Pagano, Donatella Santini, Nicole Brighi, Francesco Minni, Riccardo Casadei
BACKGOUND: There is currently there is substantial controversy regarding the best management of non-functioning pancreatic neuroendocrine tumours ≤2 cm. METHODS: Retrospective study involving 102 surgically treated patients affected by non-functioning pancreatic neuroendocrine tumours. Patients having small tumours (≤2 cm) (Group A) and those having large tumours (>2 cm) (Group B) were compared regarding demographics, clinical and pathological factors with the aim of evaluating the risk of malignancy and survival times...
March 15, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28295664/small-pancreatic-insulinoma-successful-endoscopic-ultrasound-guided-radiofrequency-ablation-in-a-single-session-using-a-22g-fine-needle
#16
Francesc Bas-Cutrina, Domingo Bargalló, Joan B Gornals
A 63-year-old woman, morbidly obese, with clinical symptoms of periodic hypoglycemic episodes, was diagnosed with an insulinoma in pancreatic body that had not been detected by previous computed tomography and magnetic resonance. This neuroendocrine tumour was identified by EUS as a hypoechoic lesion with some iso-hyperechoic tracts, measuring 9 x 10 mm, and 4-5 mm from splenic vessels (Figure 1a). This article is protected by copyright. All rights reserved.
March 14, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28292641/evaluating-lanreotide-as-maintenance-therapy-after-first-line-treatment-in-patients-with-non-resectable-duodeno-pancreatic-neuroendocrine-tumours
#17
Côme Lepage, Laetitia Dahan, Nadia Bouarioua, Christos Toumpanakis, Jean-Louis Legoux, Karine Le Malicot, Rosine Guimbaud, Denis Smith, David Tougeron, Astrid Lievre, Guillaume Cadiot, Frédéric Di Fiore, Karine Bouhier-Leporrier, Olivia Hentic, Roger Faroux, Marianne Pavel, Ivan Borbath, Juan W Valle, Anja Rinke, Jean-Yves Scoazec, Michel Ducreux, Thomas Walter
INTRODUCTION: Patients with metastatic or locally advanced, non-resectable, grade 1 or 2 well-differentiated duodeno-pancreatic (WDDP) NETs are treated following European guidelines. Patients (Pts) with aggressive disease, i.e. progressive and/or symptomatic metastases and/or with significant hepatic invasion (>30-50%), and/or bone metastases, anti-tumour therapy should receive systemic combination of chemotherapy once disease control is obtained. AIM(S): The aim is to stop chemotherapy until progression...
March 11, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28286565/everolimus-in-the-management-of-metastatic-neuroendocrine-tumours
#18
REVIEW
David L Chan, Eva Segelov, Simron Singh
Neuroendocrine tumours are increasing in incidence and cause a variety of symptoms. The mammalian target of rapamycin (mTOR) pathway plays a key role in neuroendocrine tumour (NET) pathogenesis, leading to increased lipid synthesis, protein synthesis and cellular growth. Upregulation of this pathway is noted in both hereditary and sporadic NETs. This understanding has led to investigations of mTOR inhibitors as therapy for metastatic NETs. After promising preclinical findings, everolimus, an mTOR inhibitor, was trialled in the RADIANT-1-4 studies on patients with advanced, well differentiated NETs...
January 2017: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/28267533/neuroendocrine-liver-metastases-vascular-patterns-on-triple-phase-mdct-are-indicative-of-primary-tumour-location
#19
Maxime Ronot, Francesco Cuccioli, Marco Dioguardi Burgio, Marie-Pierre Vullierme, Olivia Hentic, Philippe Ruszniewski, Gaspard d'Assignies, Valérie Vilgrain
PURPOSE: To re-evaluate and compare CT features of neuroendocrine liver metastases (NLM) from pancreatic (p) and enteric (e) gastroenteropancreatic (GEP) tumours. MATERIAL AND METHODS: From 2006-2013, all patients with proven GEP-neuroendocrine tumours (NETs) with at least one NLM, no previous treatment were included. On unenhanced, arterial and portal phases, NLMs were characterized as hypo-, iso- or hyperattenuating in consensus by 2 radiologists blinded to clinical data...
April 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28255147/intrapancreatic-accessory-spleen-an-eluding-diagnosis
#20
K H Teoh, S Balraj, S R Navarasi
Intrapancreatic accessory spleen (IPAS) is a benign anomaly of splenic embryology and a rare cause of pancreatic pseudotumour. Here, we report a case of a 70-year-old Malay lady whose IPAS was discovered incidentally during her surveillance computed tomography for her underlying left lower lung fibrosis. Radiologically, the lesion mimicked a neuroendocrine pancreatic tumour and was only diagnosed pathologically as IPAS after surgery. In conclusion, recognising IPAS as a differential for enhancing pancreatic mass allows us to exhaust all non-invasive diagnostic means to diagnose this benign lesion...
February 2017: Medical Journal of Malaysia
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