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Neuroendocrine tumour

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https://www.readbyqxmd.com/read/29344129/update-on-radionuclide-therapy-in-oncology
#1
Cornelia Nitipir, Dana Niculae, Cristina Orlov, Maria Alexandra Barbu, Bogdan Popescu, Ana Maria Popa, Anca Mihaela Stoian Pantea, Adina Elena Stanciu, Bianca Galateanu, Octav Ginghina, Georgios Z Papadakis, Boris N Izotov, Demetrios A Spandidos, Aristides M Tsatsakis, Carolina Negrei
Unstable isotopes and their capacity to emit ionizing radiation have been employed in clinical practice not only for diagnostic, but also for therapeutic purposes, with significant contribution in several fields of medicine and primarily in the management of oncologic patients. Their efficacy is associated with their ability to provide the targeted delivery of ionizing radiation for a determined duration. These compounds can be used for curative or palliative treatment, as well as for a diagnostic-therapeutic (theranostic) approach...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29341266/merkel-cell-carcinoma-in-france-a-registries-based-comprehensive-epidemiological-survey
#2
M Fondain, O Dereure, Z Uhry, A V Guizard, A S Woronoff, M Colonna, F Molinie, S Bara, M Velten, E Marrer, P Grosclaude, B Lapôtre-Ledoux, B Tretarre, B Guillot
BACKGROUND: Merkel cell carcinoma (MCC) is a rare primary cutaneous neuroendocrine carcinoma. Owing to its low incidence, epidemiological data are scarce and have never been analysed in France to identify the main epidemiological trends. METHODS: Data from MCC patients diagnosed between 1998 and 2010 were obtained from 11 French cancer registries in the FRANCIM network. The main epidemiological characteristics of MCC were investigated between 2006 and 2010 because comprehensive data were only available for this period...
January 16, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29335251/goblet-cell-carcinomas-of-the-appendix-rare-but-aggressive-neoplasms-with-challenging-management
#3
Ashley Kieran Clift, Oskar Kornasiewicz, Panagiotis Drymousis, Omar Faiz, Harpreet Wasan, James Kinross, Thomas Cecil, Andrea Frilling
Goblet cell carcinomas (GCC) are a rare, aggressive sub-type of appendiceal tumours with neuroendocrine features, and controversy exists with regards to therapeutic strategy. We undertook a retrospective review of GCC patients surgically treated at two tertiary referral centres. Clinical and histopathological data were extracted from a prospectively maintained database. Survival analyses utilised Kaplan-Meier methodology. Twenty-one patients were identified (9 females). Median age at diagnosis was 55years (range 32-77)...
January 15, 2018: Endocrine Connections
https://www.readbyqxmd.com/read/29321190/genomic-landscape-of-pancreatic-neuroendocrine-tumours-the-international-cancer-genome-consortium
#4
Andrea Mafficini, Aldo Scarpa
Neuroendocrine tumours (NETs) may arise throughout the body and are a highly heterogeneous, relatively rare class of neoplasms difficult to study also for the lack of disease models. Despite this, knowledge on their molecular alterations has expanded in the latest years, also building from genetic syndromes causing their onset. Pancreatic NETs (PanNETs) have been among the most studied, and research so far has outlined a series of recurring features, as inactivation of MEN1, VHL, TSC1/2 genes, and hyperactivation of the PI3K/mTOR pathway...
January 10, 2018: Journal of Endocrinology
https://www.readbyqxmd.com/read/29320779/prognostic-factors-for-survival-in-patients-with-small-bowel-neuroendocrine-tumours-associated-with-mesenteric-desmoplasia
#5
Faidon-Marios Laskaratos, Leonidas Diamantopoulos, Martin Walker, Henry Walton, Mohamed Khalifa, Fatima El-Khouly, Apostolos Koffas, George Demetriou, Martyn Caplin, Christos Toumpanakis, Dalvinder Mandair
No abstract text is available yet for this article.
January 10, 2018: Neuroendocrinology
https://www.readbyqxmd.com/read/29310810/radiological-features-and-metastatic-patterns-of-thymic-neuroendocrine-tumours
#6
T Araki, L M Sholl, H Hatabu, M Nishino
AIM: To investigate the clinical and image features of thymic neuroendocrine tumours (NETs), and characterise the radiological patterns of recurrence and metastasis on serial imaging studies. MATERIALS AND METHODS: The study included 14 patients (11 males) with a histopathological diagnosis of thymic NETs (one typical carcinoid, eight atypical carcinoid, and five large cell neuroendocrine carcinoma). Preoperative images were assessed for features of primary tumours...
January 5, 2018: Clinical Radiology
https://www.readbyqxmd.com/read/29290315/-synchronous-well-differentiated-ileal-neuroendocrine-tumour-and-colonic-adenocarcinoma-a-case-report-and-a-review-of-the-literature
#7
Enrique Alfaro Almajano, Lourdes Bengochea Martínez, Francisco Javier Mateos Barrionuevo, Carmen Almajano Martinez
Synchronous colonic adenocarcinoma and well-differentiated ileal neuroendocrine tumour are infrequent and are usually incidental findings on autopsies or resected surgical specimens. Only rarely are they detected on colonoscopies or during surgery. We present a case of a synchronous caecal adenocarcinoma and well-differentiated ileal neuroendocrine tumour, undetected during colonoscopy, with carcinoid metastasis in one regional lymph node not associated with adenocarcinoma metastasis. A review of the literature shows that the association of non-synchronous second primary malignancies in patients with gastrointestinal carcinoid tumours is reported in more than 50% of cases; however, synchronous tumours are found in only 1-8%...
January 2018: Revista Española de Patología
https://www.readbyqxmd.com/read/29283170/perioperative-events-influence-cancer-recurrence-risk-after-surgery
#8
REVIEW
Jonathan G Hiller, Nicholas J Perry, George Poulogiannis, Bernhard Riedel, Erica K Sloan
Surgery is a mainstay treatment for patients with solid tumours. However, despite surgical resection with a curative intent and numerous advances in the effectiveness of (neo)adjuvant therapies, metastatic disease remains common and carries a high risk of mortality. The biological perturbations that accompany the surgical stress response and the pharmacological effects of anaesthetic drugs, paradoxically, might also promote disease recurrence or the progression of metastatic disease. When cancer cells persist after surgery, either locally or at undiagnosed distant sites, neuroendocrine, immune, and metabolic pathways activated in response to surgery and/or anaesthesia might promote their survival and proliferation...
December 28, 2017: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/29250314/a-case-of-long-survival-insulinoma-with-multiple-neuroendocline-tumour-type-1-controlled-by-multimodal-therapy
#9
Masahiro Shiihara, Wataru Izumo, Ryota Higuchi, Takehisa Yazawa, Shuichiro Uemura, Toru Furukawa, Masakazu Yamamoto
Insulinomas with multiple neuroendocrine tumour type 1 (MEN1) sometimes have metachronous or recurrent tumours. However, the treatment for these tumours is controversial, and published reports regarding multimodal therapy for insulinomas are limited. We report a 73-year-old woman with recurrent insulinoma with MEN1 successfully controlled by multimodal therapy. She had several complications, and poor performance status. Her hypoglycaemia did not improve after 6-month octreotide LAR; as such, she underwent enucleation of the pancreatic tumour...
December 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29239038/gastroenteropancreatic-neuroendocrine-neoplasms-selected-pathology-review-and-molecular-updates
#10
REVIEW
Siaw M Chai, Ian S Brown, M Priyanthi Kumarasinghe
Gastroenteropancreatic (GEP) neuroendocrine neoplasms can be broadly separated into well- and poorly differentiated categories. Tumours within each category have similarities in morphology and immunophenotype, but vary in grade, behaviour, molecular signature and responses to therapy. The aetiology of these differences is multifactorial. Site of origin, mucosal milieu and hereditary influences are some of the currently known factors. Given these differences, staging and grading systems continue to evolve, and the most recent World Health Organization classification of pancreatic neuroendocrine neoplasms reflects this by introducing a grade 3 neuroendocrine tumour category for morphologically well-differentiated tumours with an elevated Ki-67 proliferation index and/or mitotic count...
January 2018: Histopathology
https://www.readbyqxmd.com/read/29239037/well-differentiated-pancreatic-neuroendocrine-tumours-pannets-and-poorly-differentiated-pancreatic-neuroendocrine-carcinomas-pannecs-concepts-issues-and-a-practical-diagnostic-approach-to-high-grade-g3-cases
#11
REVIEW
Aatur D Singhi, David S Klimstra
With increasing accessibility and advancements in abdominal imaging modalities, the incidence of pancreatic neuroendocrine neoplasms has increased steadily during the past few decades. By definition, neuroendocrine neoplasms of the pancreas show neuroendocrine differentiation, but they represent a broad and heterogeneous group of neoplasms with diverse clinical and pathological characteristics. The majority of pancreatic neuroendocrine neoplasms can be classified as well-differentiated pancreatic neuroendocrine tumours (PanNETs) or poorly differentiated pancreatic neuroendocrine carcinomas (PanNECs)...
January 2018: Histopathology
https://www.readbyqxmd.com/read/29239033/what-s-new-in-pituitary-pathology
#12
REVIEW
Sylvia L Asa, Ozgur Mete
The increasing recognition of pituitary disorders and their impact on quality of life and longevity has made understanding of this small gland a subject of paramount importance. Pituitary pathology has seen many significant studies that indicate progress in identification and classification of pituitary lesions, as well as improved management strategies for patients. In this review, we outline six major areas of advances: (i) changes in terminology from 'adenoma' to 'pituitary neuroendocrine tumour'; (ii) reclassification of hormone-negative tumours based on transcription factor expression that defines lineage; (iii) updates in new pathogenetic mechanisms, including those that underlie rare lesions such as X-LAG and pituitary blastoma; (iv) clarification of hypophysitis due to immunotherapy, xanthomatous hypophysitis due to rupture of a Rathke's cleft cyst and IgG4 disease as the cause of inflammatory pseudotumour; (v) the consolidation of pituicytoma variants, including spindle cell oncocytoma and granular cell tumour based on thyroid transcription factor-1 (TTF-1) reactivity; and (vi) the pathogenetic mechanisms that distinguish papillary from adamantinomatous craniopharyngioma...
January 2018: Histopathology
https://www.readbyqxmd.com/read/29239031/molecular-alterations-of-neuroendocrine-tumours-of-the-lung
#13
REVIEW
Giulio Rossi, Luca Bertero, Caterina Marchiò, Mauro Papotti
Neuroendocrine tumours of the lung comprise low [typical carcinoid (TC)], intermediate [atypical carcinoid (AC)] and high-grade [small-cell lung cancer (SCLC) and large-cell neuroendocrine carcinoma (LCNEC)] malignancies, while a pre-invasive lesion [diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH)] may generate a subset of peripheral carcinoid tumours. These neoplasms are differentiated conventionally based on mitotic rate, presence of necrosis and cytological details, according to the 2015 World Health Organisation (WHO) classification...
January 2018: Histopathology
https://www.readbyqxmd.com/read/29235611/primary-renal-neuroendocrine-tumour-presenting-as-an-enormous-cystic-lesion
#14
Azfar Neyaz, Zafar Neyaz, Nuzhat Husain, Vani Gupta
No abstract text is available yet for this article.
December 13, 2017: Türk Patoloji Dergisi
https://www.readbyqxmd.com/read/29233841/small-intestinal-neuroendocrine-tumours-and-fibrosis-an-entangled-conundrum
#15
Anela Blazevic, Johannes Hofland, Leo Hofland, R A Feelders, Wouter W de Herder
Small intestinal neuroendocrine tumours (SI-NETs) are neoplasms characterized by their ability to secrete biogenic amines and peptides. These cause distinct clinical pathology including carcinoid syndrome, marked by diarrhoea and flushing, as well as fibrosis, notably mesenteric fibrosis. Mesenteric fibrosis often results in significant morbidity by causing intestinal obstruction, oedema and ischemia. Although advancements have been made to alleviate symptoms of carcinoid syndrome and prolong the survival of patients with SI-NETs, therapeutic options for patients with mesenteric fibrosis are still limited...
December 12, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29233547/the-developing-spectrum-of-gastric-type-cervical-glandular-lesions
#16
REVIEW
Karen L Talia, W Glenn McCluggage
Adenocarcinoma of the cervix is less common than squamous cell carcinoma, although its relative prevalence is increasing. Oncogenic (high-risk) human papillomavirus (HPV) infection is implicated in the development of approximately 90% of all cervical adenocarcinomas. Of the remaining non-HPV associated tumours, the most frequent is gastric-type adenocarcinoma (GAS), which is recognised by the World Health Organization as a form of mucinous adenocarcinoma of the cervix. Minimal deviation adenocarcinoma (MDA) of mucinous type (adenoma malignum) is considered an extremely well differentiated variant of GAS and is encompassed within the category of GAS...
December 9, 2017: Pathology
https://www.readbyqxmd.com/read/29229497/advanced-neuroendocrine-tumours-of-the-small-intestine-and-pancreas-clinical-developments-controversies-and-future-strategies
#17
REVIEW
Christoph J Auernhammer, Christine Spitzweg, Martin K Angele, Stefan Boeck, Ashley Grossman, Svenja Nölting, Harun Ilhan, Thomas Knösel, Julia Mayerle, Martin Reincke, Peter Bartenstein
In this Review, we discuss clinical developments and controversies in the treatment of neuroendocrine tumours (NETs) that are relevant for clinicians and clinical researchers. We describe advances in genetics, blood-based biomarkers, functional imaging, and systemic therapy of advanced NETs and discuss results of recent phase 3 studies, systemic treatment of advanced disease with peptide receptor radionuclide therapy, biotherapy, chemotherapy, and molecularly targeted therapy, and the potential role of immunotherapy in the treatment of NETs...
December 8, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/29223410/characteristics-of-computed-tomography-perfusion-parameters-in-non-small-cell-lung-cancer-and-its-relationship-to-histology-size-stage-an-treatment-response
#18
Carmen Trinidad López, Miguel Souto Bayarri, Roque Oca Pernas, Carlos Delgado Sánchez-Gracián, Maria González Vázquez, Antonio Vaamonde Liste, Gonzalo Tardáguila De La Fuente, Javier De La Fuente Aguado
OBJECTIVES: To analyze computed tomography perfusion (CTP) parameters in NSCLC. MATERIALS AND METHODS: Prospective study, 152 patients with NSCLC. CTP parameters were correlated with histology, stage, size and response to conventional chemotherapy/radiotherapy. RESULTS: Neuroendocrine tumours presented higher BV (p 0.002). Negative correlation of PMB (p 0.003) and positive of MTT (p 0.046) with T stage was found. BF showed negative correlation with size...
December 5, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/29214450/effects-of-cytoreductive-surgery-and-hyperthermic-intraperitoneal-chemotherapy-hipec-in-the-treatment-of-goblet-cell-carcinoma-a-prospective-cohort-study
#19
Anders Husted Madsen, Morten Ladekarl, Gerda Elisabeth Villadsen, Henning Grønbæk, Mette Møller Sørensen, Katrine Stribolt, Vic Jilbert Verwaal, Lene Hjerrild Iversen
BACKGROUND: Goblet cell carcinoma (GCC) of the appendix is a rare disease. Treatment options vary according to disease staging. Cytoreductive surgery in combination with hyperthermic intraperitoneal chemotherapy (CRS + HIPEC) may improve survival in patients with peritoneal spreading. OBJECTIVE: The aim of this study was to examine the prognosis of patients with appendiceal GCC treated per protocol, and to evaluate the results of CRS+HIPEC in cases of peritoneal spreading...
December 6, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29209490/the-importance-of-recognizing-paraneoplastic-symptoms-a-case-report-of-neuroendocrine-small-cell-carcinoma-of-the-endometrium-presenting-as-paraneoplastic-cushing-s-syndrome
#20
A Doukhopelnikoff, G Debrock, T Steelandt, Etm De Jonge
This is the second well documented case of paraneoplastic Cushing's syndrome arising from a small cell carcinoma of the endometrium described in English literature. This tumour has an aggressive biological behaviour and early detection provides the only opportunity for long-term survival. In that regard recognition of associated paraneo- plastic features might be helpful.
June 2017: Facts, Views & Vision in ObGyn
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