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pancreatic cancer staging

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https://www.readbyqxmd.com/read/29050294/the-density-of-mast-cells-c-kit-and-tryptase-correlates-with-each-other-and-with-angiogenesis-in-pancreatic-cancer-patients
#1
Michele Ammendola, Cosmo Damiano Gadaleta, Adam Enver Frampton, Tullio Piardi, Riccardo Memeo, Valeria Zuccalà, Maria Luposella, Rosa Patruno, Nicola Zizzo, Pietro Gadaleta, Patrick Pessaux, Rosario Sacco, Giuseppe Sammarco, Girolamo Ranieri
Literature data suggest that inflammatory cells such as mast cells (MCs) are involved in angiogenesis. MCs can stimulate angiogenesis by releasing of well identified pro-angiogenic cytokines stored in their cytoplasm. In particular, MCs can release tryptase, a potent in vivo and in vitro pro-angiogenic factor. Nevertheless, few data are available concerning the role of MCs positive to tryptase in primary pancreatic cancer angiogenesis. This study analyzed the correlation between mast cells positive to c-Kit receptor (c-Kit(+) MCs), the density of MCs expressing tryptase (MCD-T) and microvascular density (MVD) in primary tumor tissue from patients affected by pancreatic ductal adenocarcinoma (PDAC)...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29047015/quality-of-online-resources-for-pancreatic-cancer-patients
#2
Lauren De Groot, Ilene Harris, Glenn Regehr, Ara Tekian, Paris-Ann Ingledew
The Internet is increasingly a source of information for pancreatic cancer patients. This disease is usually diagnosed at an advanced stage; therefore, timely access to high-quality information is critical. Our purpose is to systematically evaluate the information available to pancreatic cancer patients on the internet. An internet search using the term "pancreatic cancer" was performed, with the meta-search engines "Dogpile", "Yippy" and "Google". The top 100 websites returned by the search engines were evaluated using a validated structured rating tool...
October 18, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/29043580/a-comprehensive-assessment-of-accurate-lymph-node-staging-and-preoperative-detection-in-resected-pancreatic-cancer
#3
Toshiro Masuda, Amanda M Dann, Irmina A Elliott, Hideo Baba, Stephen Kim, Alireza Sedarat, V Raman Muthusamy, Mark D Girgis, O Joe Hines, Howard A Reber, Timothy R Donahue
BACKGROUND: The current (seventh edition) American Joint Commission on Cancer (AJCC) Staging System for pancreatic ductal adenocarcinoma (PDAC) dichotomizes pathologic lymph node (LN) involvement into absence (pN0) or presence (pN1) of disease. The recently announced eighth edition also includes stratification on the number of positive nodes. Furthermore, LNs detected on preoperative imaging (CT, MRI, or endoscopic ultrasound-EUS) are considered to be pathologically involved in other gastrointestinal cancers...
October 17, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29042755/clinical-data-combined-with-radiological-imaging-improves-the-accuracy-of-tnm-staging-of-pancreatic-body-and-tail-adenocarcinoma
#4
Wei Xu, Bo Jiang, Xinmin Yin
PURPOSE: Pancreatic body and tail adenocarcinoma (PBTA) remains one of the deadliest cancers, and current radiological modalities still have limitations on the staging of PBTA. Improving PBTA staging will contribute to the management of this disease. PATIENTS AND METHODS: Clinicopathological characteristics of 91 surgically treated PBTA patients were retrospectively retrieved. Clinical data associated with postoperative tumor staging (pTNM) were assessed using ordinal logistic regression model...
2017: Patient Preference and Adherence
https://www.readbyqxmd.com/read/29040194/fatty-pancreas-should-we-be-concerned
#5
Shounak Majumder, Nissy A Philip, Naoki Takahashi, Michael J Levy, Vijay P Singh, Suresh T Chari
The metabolic consequences of visceral fat deposition are well known, and the presence of intrapancreatic fat (IPF) has been recognized for decades. However, our knowledge about the distribution of fat in the pancreas and its clinical implications is in a nascent stage. Various terms have been proposed to describe IPF; for the purpose of this narrative review, we chose the general term fatty pancreas. Herein, we describe the radiologic, endoscopic, and histopathologic aspects of diagnosing fatty pancreas and provide an overview of the diseases associated with this condition...
November 2017: Pancreas
https://www.readbyqxmd.com/read/29033771/malignant-gastric-outlet-obstruction-from-pancreatic-cancer
#6
Clare McGrath, Adrian Tsang, Harrish Nithianandan, Eric Nguyen, Patrick Bauer, Kristopher Dennis
Patients with advanced-stage pancreatic cancer are typically burdened by many symptoms that impair functioning and worsen quality of life. We report an exceptional case of a 73-year-old woman with T4N1M0 adenocarcinoma of the uncinate process of the pancreas who developed significant gastric outlet obstruction - an uncommon yet potentially life-threatening complication of disease progression. She developed progressive abdominal pain and emesis, and profound dilatation of her stomach was detected on a radiation therapy simulation CT scan that required urgent decompression...
September 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29027279/long-non-coding-rna-pvt1-emerging-biomarker-in-digestive-system-cancer
#7
REVIEW
Dan-Dan Zhou, Xiu-Fen Liu, Cheng-Wei Lu, Om Prakash Pant, Xiao-Dong Liu
The digestive system cancers are leading cause of cancer-related death worldwide, and have high risks of morbidity and mortality. More and more long non-coding RNAs (lncRNAs) have been studied to be abnormally expressed in cancers and play a key role in the process of digestive system tumour progression. Plasmacytoma variant translocation 1 (PVT1) seems fairly novel. Since 1984, PVT1 was identified to be an activator of MYC in mice. Its role in human tumour initiation and progression has long been a subject of interest...
October 12, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/29022249/common-subcluster-mining-in-microarray-data-for-molecular-biomarker-discovery
#8
Arnab Sadhu, Balaram Bhattacharyya
Molecular biomarkers can be potential facilitators for detection of cancer at early stage which is otherwise difficult through conventional biomarkers. Gene expression data from microarray experiments on both normal and diseased cell samples provide enormous scope to explore genetic relations of disease using computational techniques. Varied patterns of expressions of thousands of genes at different cell conditions along with inherent experimental error make the task of isolating disease related genes challenging...
October 11, 2017: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/29019414/the-tert-hypermethylated-oncologic-region-predicts-recurrence-and-survival-in-pancreatic-cancer
#9
Inês Faleiro, Joana Dias Apolónio, Aryeh J Price, Ramon Andrade De Mello, Vânia Palma Roberto, Uri Tabori, Pedro Castelo-Branco
AIM: We explore the biomarker potential of the TERT hypermethylated oncologic region (THOR) in pancreatic cancer. MATERIALS & METHODS: We assessed the methylation status of THOR using the cancer genome atlas data on the cohort of pancreatic cancer (n = 193 patients). RESULTS: THOR was significantly hypermethylated in pancreatic tumor tissue when compared with the normal tissue used as control (p < 0.0001). Also, THOR hypermethylation could distinguish early stage I disease from normal tissue and was associated with worse prognosis...
October 11, 2017: Future Oncology
https://www.readbyqxmd.com/read/29018912/a-nationwide-population-based-study-on-the-survival-of-patients-with-pancreatic-neuroendocrine-tumors-in-the-netherlands
#10
C G Genc, H J Klümpen, M G H van Oijen, C H J van Eijck, E J M Nieveen van Dijkum
BACKGROUND: Large population-based studies give insight into the prognosis and treatment outcomes of patients with pancreatic neuroendocrine tumors (pNETs). Therefore, we provide an overview of the treatment and related survival of pNET in the Netherlands. METHODS: Patients diagnosed with pNET between 2008 and 2013 from the Netherlands Cancer Registry were included. Patient, tumors and treatment characteristics were reported. Survival analyses with log-rank testing were performed to compare survival...
October 10, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28993418/a-genetic-roadmap-of-pancreatic-cancer-still-evolving
#11
REVIEW
Faiyaz Notta, Stephan A Hahn, Francisco X Real
A diagnosis of pancreatic ductal adenocarcinoma (PDA) is often fatal. PDA is widely recognised as one of the 'incurable cancers' because therapies against this tumour type are generally ineffective. The fatal nature of this tumour is due to its aggressive clinical course. Pancreatic cancer commonly presents at the metastatic stage; even in cases where tumours are localised to the pancreas at diagnosis, metastatic seeds have often been invariably been spawned off, frustrating surgical attempts to cure the cancer...
October 9, 2017: Gut
https://www.readbyqxmd.com/read/28989104/epidemiology-of-malignant-cutaneous-granular-cell-tumors-a-united-states-population-based-cohort-analysis-using-the-surveillance-epidemiology-and-end-results-seer-database
#12
Fatima N Mirza, Charles T Tuggle, Cheryl K Zogg, Humza N Mirza, Deepak Narayan
BACKGROUND: Malignant cutaneous granular cell tumors (mcGCT) are rare and associated with substantial morbidity and mortality. The literature includes single-institution studies. OBJECTIVE: To examine the incidence, secondary malignancies, treatment, overall survival (OS), and disease-specific survival (DSS) of patients with mcGCT. METHODS: A population-based cohort analysis was conducted in the Surveillance, Epidemiology, and End Results (SEER) database, 1973-2013, for patients diagnosed with mcGCT...
October 5, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28980417/racial-disparities-in-pancreatic-neuroendocrine-tumors-survival-a-seer-study
#13
Huaqiang Zhou, Yuanzhe Zhang, Xiaoyue Wei, Kaibin Yang, Wulin Tan, Zeting Qiu, Si Li, Qinchang Chen, Yiyan Song, Shaowei Gao
Pancreatic neuroendocrine tumor (pancreatic NETs), is an important cause of cancer-related death worldwide. No study has rigorously explored the impact of ethnicity on pancreatic NETs. We aimed to demonstrate the relationship between ethnicity and the survival of patients with pancreatic NETs. We used the SEER database to identify patients with pancreatic NETs from 2004 to 2013. Kaplan-Meier methods and Cox proportional hazard models were used to evaluate the impact of race on survival in pancreatic NETs patients...
October 4, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28979141/genome-scale-analysis-to-identify-prognostic-markers-in-patients-with-early-stage-pancreatic-ductal-adenocarcinoma-after-pancreaticoduodenectomy
#14
Xiwen Liao, Ketuan Huang, Rui Huang, Xiaoguang Liu, Chuangye Han, Long Yu, Tingdong Yu, Chengkun Yang, Xiangkun Wang, Tao Peng
BACKGROUND: Molecular analysis is a promising source of clinically useful prognostic biomarkers. The aim of this investigation was to identify prognostic biomarkers for patients with early-stage pancreatic ductal adenocarcinoma (PDAC) after pancreaticoduodenectomy. METHODS: An RNA sequencing dataset of PDAC was obtained from The Cancer Genome Atlas. Survival analysis and weighted gene co-expression network analysis were used to investigate the prognostic markers of early-stage PDAC after pancreaticoduodenectomy...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28978480/a-rhoa-fret-biosensor-mouse-for-intravital-imaging-in-normal-tissue-homeostasis-and-disease-contexts
#15
Max Nobis, David Herrmann, Sean C Warren, Shereen Kadir, Wilfred Leung, Monica Killen, Astrid Magenau, David Stevenson, Morghan C Lucas, Nadine Reischmann, Claire Vennin, James R W Conway, Alice Boulghourjian, Anaiis Zaratzian, Andrew M Law, David Gallego-Ortega, Christopher J Ormandy, Stacey N Walters, Shane T Grey, Jacqueline Bailey, Tatyana Chtanova, Julian M W Quinn, Paul A Baldock, Peter I Croucher, Juliane P Schwarz, Agata Mrowinska, Lei Zhang, Herbert Herzog, Andrius Masedunskas, Edna C Hardeman, Peter W Gunning, Gonzalo Del Monte-Nieto, Richard P Harvey, Michael S Samuel, Marina Pajic, Ewan J McGhee, Anna-Karin E Johnsson, Owen J Sansom, Heidi C E Welch, Jennifer P Morton, Douglas Strathdee, Kurt I Anderson, Paul Timpson
The small GTPase RhoA is involved in a variety of fundamental processes in normal tissue. Spatiotemporal control of RhoA is thought to govern mechanosensing, growth, and motility of cells, while its deregulation is associated with disease development. Here, we describe the generation of a RhoA-fluorescence resonance energy transfer (FRET) biosensor mouse and its utility for monitoring real-time activity of RhoA in a variety of native tissues in vivo. We assess changes in RhoA activity during mechanosensing of osteocytes within the bone and during neutrophil migration...
October 3, 2017: Cell Reports
https://www.readbyqxmd.com/read/28978057/hyal2-methylation-in-peripheral-blood-as-a-potential-marker-for-the-detection-of-pancreatic-cancer-a-case-control-study
#16
Sarah Schott, Rongxi Yang, Sarah Stöcker, Federico Canzian, Nathalia Giese, Peter Bugert, Frank Bergmann, Oliver Strobel, Thilo Hackert, Christof Sohn, Barbara Burwinkel
Pancreatic ductal adenocarcinoma (PDAC) is a highly lethal malignancy which is mostly diagnosed in advanced and inoperable stages though surgery remains the only curable therapeutic approach. Early detection markers are urgently needed to improve diagnosis. Altered hyaluronoglucosaminidase 2 gene (HYAL2) DNA methylation in peripheral blood is known to be associated with malignancy at early stage but has not been evaluated in PDAC patients. This study evaluates the association between blood-based HYAL2 methylation and PDAC by a case-control study with 191 controls and 82 PDAC patients...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28978023/genomic-alterations-in-mucins-across-cancers
#17
Ryan J King, Fang Yu, Pankaj K Singh
The significance of mucins in cancers has led to the development of novel biomarkers and therapeutic agents against cancers. Despite significant advances in the understanding of mucins, systemic investigations into the role of mucins in cancer biology focusing particularly on the histological subtypes and stages, along with other variables, are yet to be carried out to discover potential novel functions and cancer-specific roles. Here, we investigated 11 mucin expressing cancers for DNA mutations, mRNA expression, copy number, methylation, and the impacts these genomic features may have on patient survival by utilizing The Cancer Genome Atlas dataset...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28974895/body-mass-index-does-not-affect-the-survival-of-pancreatic-cancer-patients
#18
Qing-Long Jiang, Cheng-Feng Wang, Yan-Tao Tian, Huang Huang, Shui-Sheng Zhang, Dong-Bing Zhao, Jie Ma, Wei Yuan, Yue-Min Sun, Xu Che, Jian-Wei Zhang, Yun-Mian Chu, Ya-Wei Zhang, Ying-Tai Chen
AIM: To evaluate the association of body mass index (BMI) with the overall survival of pancreatic ductal adenocarcinoma (PDAC) patients. METHODS: A retrospective analysis of PDAC patients diagnosed in the National Cancer Center of China between January 1999 and December 2014 was performed. These patients were categorized into four BMI groups (< 18.5, 18.5-22.9, 23-27.4 and ≥ 27.5 kg/m(2)). χ(2) tests for comparison of the proportions of categorical variables, and Student's t-test or Mann-Whitney test for continuous variables were employed...
September 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28968982/methylation-of-bnip3-in-pancreatic-cancer-inhibits-the-induction-of-mitochondrial-mediated-tumor-cell-apoptosis
#19
Ye Li, Xu Zhang, Jian Yang, Yi Zhang, Dongming Zhu, Lifeng Zhang, Yanbo Zhu, Dechun Li, Jian Zhou
Bcl-2 interacting protein 3 (BNIP3) is involved in various cellular processes and is considered a key regulator of hypoxia-induced apoptosis. In the present study, the expression of BNIP3 in pancreatic cancer tissues, the correlation with clinicopathological characteristics and prognosis and the regulation of this protein in pancreatic cancer cell lines with regard to the induction of apoptosis were investigated. BNIP3 expression was significantly lower in pancreatic cancer tissues compared with normal epithelia and was associated with tumor size, clinical stage, and lymph node metastasis...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28968257/clinical-characteristics-of-patients-experiencing-pathologic-complete-response-following-neoadjuvant-therapy-for-borderline-resectable-locally-advanced-pancreatic-adenocarcinoma
#20
Neda Hashemi-Sadraei, Olumide B Gbolahan, Hai Salfity, Bert O'Neil, Michael G House, Safi Shahda
OBJECTIVES: The purpose of this study is to describe clinical characteristics and outcomes of patients with borderline resectable pancreatic cancer (BRPC) or locally advanced pancreatic cancer (LAPC) who achieved pathologic complete response (pCR) following neoadjuvant therapy. MATERIALS AND METHODS: A single institution clinical database for patients with pancreatic ductal adenocarcinoma was queried. Between 2008 and 2014 patients were identified with BRPC and LAPC, who underwent surgical resection after receiving neoadjuvant treatment...
September 29, 2017: American Journal of Clinical Oncology
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