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Neuroendocrine cancer

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https://www.readbyqxmd.com/read/29239031/molecular-alterations-of-neuroendocrine-tumours-of-the-lung
#1
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/29238236/pro-gastrin-releasing-peptide-progrp-as-a-biomarker-in-small-cell-lung-cancer-diagnosis-monitoring-and-evaluation-of-treatment-response
#2
REVIEW
Ewa Wojcik, Jan Kanty Kulpa
Lung cancer belongs to malignant tumors that possess the highest rates of morbidity and mortality in the world. A number of morphological, biological and clinical features justify the distinction of small-cell carcinoma with respect to the other histological types of lung cancer. The predominant neuroendocrine phenotype is critical for the selection of biomarkers used in diagnostics, monitoring and evaluation of treatment response; early onset relapses in patients with small-cell lung cancer (SCLC) and the evaluation of their prognosis...
2017: Lung Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/29237362/de-novo-malignancies-after-liver-transplantation-a-single-institution-experience
#3
Tufan Egeli, Tarkan Unek, Mucahit Ozbilgin, Cihan Agalar, Serhan Derici, Mesut Akarsu, Ilkay Tugba Unek, Murat Aysin, Aylin Bacakoglu, Ibrahim Astarcıoglu
OBJECTIVES: Our objective was to analyze characteristics, risk factors, and incidence of de novo malignancies after liver transplant. MATERIALS AND METHODS: The hospital records of 557 patients who underwent liver transplant were analyzed from the point of de novo malignancy development. We evaluated the demographic features and survival of these patients retrospectively. RESULTS: The research covered 429 patients, 9 (2%) of whom developed de novo malignancy...
December 14, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29236331/reduction-of-histone-marks-h3k9me3-and-h3k27me3-by-epidrug-induces-neuroendocrine-differentiation-in-prostate-cancer
#4
Eunsohl Lee, Jingcheng Wang, Younghun Jung, Frank C Cackowski, Russell S Taichman
Neuroendocrine prostate cancer (NE PCa) is an aggressive malignancy, often presenting with advanced metastasis. We previously reported that reduction of histone marks regulated by DNMT1 following epidrug (5-Azacitidine, 5-Aza) treatment controls induction of epithelial to mesenchymal (EMT) and a cancer stem cell (CSC) phenotype, which facilitates tumorigenesis in PCa cells. Here, we use the epidrug 5-Aza as a model for how histone marks may regulate the reprogramming of prostate adenocarcinoma into NE phenotypic cells...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29235006/intrinsic-contact-between-t-and-n-classifications-in-resected-well-moderately-differentiated-locoregional-pancreatic-neuroendocrine-neoplasms
#5
Jin-Zhi Xu, Wen-Quan Wang, Shi-Rong Zhang, Hua-Xiang Xu, Chun-Tao Wu, Zi-Hao Qi, He-Li Gao, Quan-Xing Ni, Liang Liu, Xian-Jun Yu
BACKGROUND: The role of N classification is controversial in several prognostication systems proposed for pancreatic neuroendocrine neoplasms (pNENs). The widely accepted modified European Neuroendocrine Tumor Society (mENETS) system suggests this contradiction may be related to T classification. METHODS: Data were collected retrospectively from 981 patients in the Surveillance, Epidemiology, and End Results (SEER) database (1973-2012; cohort 1) and 140 patients from the Pancreatic Cancer Institute of Fudan University (2006-2016; cohort 2)...
December 12, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29231196/prostate-cancer-damaged-good-targeting-dna-damage-repair-in-neuroendocrine-disease
#6
Annette Fenner
No abstract text is available yet for this article.
December 12, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/29230692/seom-clinical-guideline-on-unknown-primary-cancer-2017
#7
F Losa, G Soler, A Casado, A Estival, I Fernández, S Giménez, F Longo, R Pazo-Cid, J Salgado, M Á Seguí
Cancer of unknown primary site is a histologically confirmed cancer that manifests in advanced stage, with no identifiable primary site following standard diagnostic procedures. Patients are initially categorized based on the findings of the initial biopsy: adenocarcinoma, squamous-cell carcinoma, neuroendocrine carcinoma, and poorly differentiated carcinoma. Appropriate patient management requires understanding several clinical and pathological features that aid in identifying several subsets of patients with more responsive tumors...
December 11, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/29230683/primary-esophagogastric-neuroendocrine-carcinoma-a-retrospective-study-from-the-nottingham-upper-gastrointestinal-cancer-center
#8
Constantinos Savva, Philip Kaye, Irshad Soomro, Simon L Parsons, Eleanor James, Srinivasan Madhusudan
No abstract text is available yet for this article.
December 11, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/29230127/intraarterial-liver-directed-therapies-the-role-of-interventional-oncology
#9
REVIEW
Jenson Ma, Juan Martin Gimenez, Tyler Sandow, Daniel Devun, David Kirsch, Paul Gulotta, Patrick Gilbert, Dennis Kay
Background: Since the early 1990s, the minimally invasive image-guided therapies used in interventional oncology to treat hepatocellular carcinoma have continued to evolve. Additionally, the range of applications has been expanded to the treatment of hepatic metastases from colorectal cancer, neuroendocrine tumors, cholangiocarcinoma, breast cancer, melanoma, and sarcoma. Methods: We searched the literature to identify publications from 1990 to the present on various image-guided intraarterial therapies and their efficacy, as well as their role in the management of primary and secondary liver malignancies...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/29230006/platinum-sensitivity-in-metastatic-prostate-cancer-does-histology-matter
#10
Michael S Humeniuk, Rajan T Gupta, Patrick Healy, Megan McNamara, Sundhar Ramalingam, Michael Harrison, Daniel George, Tian Zhang, Yuan Wu, Andrew J Armstrong
BACKGROUND: Platinum-based chemotherapy is effective in men with neuroendocrine prostate cancer (NEPC), but it is unclear whether histology (adenocarcinoma vs. non-adenocarcinoma NEPC variants) is predictive of platinum sensitivity. Given that NEPC exists as a spectrum, there may be men with adenocarcinoma who might benefit from platinum chemotherapy, particularly those men with DNA repair defects. METHODS: This was a retrospective study of all of the men seen at Duke University since 2005 who had metastatic castration-resistant prostate cancer (mCRPC) and were treated with a platinum agent...
December 11, 2017: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/29229574/merkel-cell-carcinoma-an-update-and-review-part-1-pathogenesis-diagnosis-and-staging
#11
REVIEW
Kathleen Coggshall, Tiffany L Tello, Jeffrey P North, Siegrid S Yu
Merkel cell carcinoma (MCC) is an uncommon primary cutaneous neuroendocrine cancer. It most commonly presents as an indurated plaque or nodule on sun-damaged skin in elderly patients and is characterized by high rates of local recurrence and nodal metastasis. Survival at five years is 51% for local disease and as low as 14% for distant disease, which underscores the aggressive nature of this tumor and challenges in management. Advances in immunology and molecular genetics have broadened our understanding of the pathophysiology of MCC and expanded our therapeutic arsenal...
December 8, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29228680/long-noncoding-rna-miat-promotes-non-small-cell-lung-cancer-proliferation-and-metastasis-through-mmp9-activation
#12
I-Lu Lai, Chin-An Yang, Pei-Chin Lin, Wen-Ling Chan, Ya-Ting Lee, Ju-Chen Yen, Ya-Sian Chang, Jan-Gowth Chang
Long noncoding RNAs (lncRNAs) play crucial roles in carcinogenesis. Myocardial infarction-associated transcript (MIAT), originally isolated as a candidate gene for myocardial infarction, has been found to act as an oncogene in chronic lymphocytic leukaemias and neuroendocrine prostate cancer (NEPC); however, little is known about its expression pattern, biological function, and underlying mechanism in non-small cell lung cancer (NSCLC). In this study, we observed that MIAT expression was upregulated in NSCLC, and its overexpression was associated with advanced tumor stage...
November 17, 2017: Oncotarget
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
#13
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/29220296/carcinosarcomas-and-related-cancers-tumors-caught-in-the-act-of-epithelial-mesenchymal-transition
#14
Angela Pang, Mariana Carbini, Andre L Moreira, Robert G Maki
In this review, we outline the biology and management of patients with carcinosarcomas and related malignancies, which are often included under the broader concept of sarcomatoid carcinomas. Carcinosarcomas are unusual tumors that are commonly gynecologic in origin, where they are referred to as malignant mixed Müllerian tumors, but may appear in any anatomic site. Although a variety of hypotheses have been presented as to the biphasic nature of these tumors, carcinosarcomas seem to represent the best example in human cancers of the concept of epithelial-mesenchymal transition (EMT), in which the two parts of the tumor are genomically related to one another, as opposed to the mesenchymal component that represents a second neoplasm or (benign) reactive process...
December 8, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29219616/next-generation-sequencing-approach-to-non-small-cell-lung-carcinoma-yields-more-actionable-alterations
#15
Mitra Mehrad, Somak Roy, Humberto Trejo Bittar, Sanja Dacic
CONTEXT: - Different testing algorithms and platforms for EGFR mutations and ALK rearrangements in advanced-stage lung adenocarcinoma exist. The multistep approach with single-gene assays has been challenged by more efficient next-generation sequencing (NGS) of a large number of gene alterations. The main criticism of the NGS approach is the detection of genomic alterations of uncertain significance. OBJECTIVE: - To determine the best testing algorithm for patients with lung cancer in our clinical practice...
December 8, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/29218663/laparoscopic-extended-cholecystectomy-for-t3-gallbladder-cancer
#16
Sungho Kim, Yoo-Seok Yoon, Ho-Seong Han, Jai Young Cho, YoungRok Choi
BACKGROUND: Gallbladder cancer (GBC) has been contraindicated for laparoscopic surgery since this procedure was introduced [1, 2]. Recently, however, there have been several reports of laparoscopic extended cholecystectomy for GBC, but most cases involved early GBC confined to the GB [3, 4]. This video describes our technique of laparoscopic extended cholecystectomy for T3 GBC. METHODS: A 77-year-old female presented with a gallbladder mass, which was incidentally detected during evaluation of back pain...
December 7, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29211313/comparative-study-of-lung-and-extrapulmonary-poorly-differentiated-neuroendocrine-carcinomas-a-seer-database-analysis-of-162-983-cases
#17
Arvind Dasari, Kathan Mehta, Lauren A Byers, Halfdan Sorbye, James C Yao
BACKGROUND: Extrapulmonary neuroendocrine carcinomas (NECs) are poorly studied and are managed similar to lung NECs, which may not account for differences between the 2 groups of tumors as well as the heterogeneity within extrapulmonary NEC. METHODS: Data from the Surveillance, Epidemiology, and End Results program between 1973 and 2012 were used to estimate the relative percentages of lung NECs and subgroups of extrapulmonary NECs, epidemiological patterns at these sites, and the median and 5-year overall survival rates...
December 6, 2017: Cancer
https://www.readbyqxmd.com/read/29207857/diagnosis-and-management-of-rectal-neuroendocrine-tumors
#18
REVIEW
Shreya Chablaney, Zachary A Zator, Nikhil A Kumta
The incidence of rectal neuroendocrine tumors (NETs) has increased by almost ten-fold over the past 30 years. There has been a heightened awareness of the malignant potential of rectal NETs. Fortunately, many rectal NETs are discovered at earlier stages due to colon cancer screening programs. Endoscopic ultrasound is useful in assessing both residual tumor burden after retrospective diagnosis and tumor characteristics to help guide subsequent management. Current guidelines suggest endoscopic resection of rectal NETs ≤10 mm as a safe therapeutic option given their low risk of metastasis...
November 2017: Clinical Endoscopy
https://www.readbyqxmd.com/read/29206662/surgery-versus-radiation-treatment-for-high-grade-neuroendocrine-cancer-of-uterine-cervix-a-surveillance-epidemiology-and-end-results-database-analysis
#19
Wei-Hsien Hou, Tim E Schultheiss, Jeffrey Y Wong, Mark T Wakabayashi, Yi-Jen Chen
OBJECTIVES: The objective of this study was to assess treatment and other factors impacting survival in cervical high-grade neuroendocrine carcinoma (HGNEC). METHODS/MATERIALS: We identified patients with cervical HGNECs diagnosed during 1988 to 2012 in the Surveillance Epidemiology and End Results database. We determined overall survival by International Federation of Gynecology and Obstetrics stages and by local treatment modalities, that is, radical surgery versus external beam radiation treatment (EBRT) plus brachytherapy using Kaplan-Meier analysis with log-rank test...
December 4, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29204198/profile-and-outcome-of-pediatric-brain-tumors-experience-from-a-tertiary-care-pediatric-oncology-unit-in-south-india
#20
Supriya Gujjar Suresh, Arathi Srinivasan, Julius Xavier Scott, Santosh Mohan Rao, Balasubramaniam Chidambaram, Sanjay Chandrasekar
Context: Tumors of the central nervous system (CNS) constitute the second most common pediatric cancers. Unlike leukemia, management of CNS tumors requires a good multidisciplinary team. Higher rates of treatment abandonment are documented in view of complexity of the treatment with long duration, involving neurosurgery, radiation, chemotherapy, and high cost of treatment. Morbidity associated with CNS tumors may be significant in terms of physical deficits as well as neuropsychological and neuroendocrine sequelae...
July 2017: Journal of Pediatric Neurosciences
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