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Pancreas

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https://www.readbyqxmd.com/read/28930868/next-generation-sequencing-revealed-tp53-mutations-to-be-malignant-marker-for-intraductal-papillary-mucinous-neoplasms-that-could-be-detected-using-pancreatic-juice
#1
Shinichi Takano, Mitsuharu Fukasawa, Makoto Kadokura, Hiroko Shindo, Ei Takahashi, Sumio Hirose, Shinya Maekawa, Kunio Mochizuki, Hiromichi Kawaida, Jun Itakura, Ryohei Katoh, Hideki Fujii, Tadashi Sato, Nobuyuki Enomoto
OBJECTIVES: The aims of this study were to identify the genetic mutations associated with malignant intraductal papillary mucinous neoplasms (IPMNs) and evaluate the possibility of detecting mutations in pure pancreatic juice by next-generation sequencing. METHODS: Resected tissues were collected from 50 patients with IPMN, and pure pancreatic juice samples were collected from 19 patients who had a resection. The extracted DNA was amplified by multiplex polymerase chain reaction targeting 52 cancer-related genes, including KRAS, GNAS, RNF43, and TP53; the mutations were then detected by next-generation sequencing and then analyzed for correlations with the clinicopathological characteristics...
September 19, 2017: Pancreas
https://www.readbyqxmd.com/read/28930867/pancreatic-neuroendocrine-tumors-computed-tomography-enhancement-but-not-histological-grade-correlates-with-tumor-aggression
#2
Motoyo Yano, Sunil Misra, Danielle H Carpenter, Amber Salter, Charles F Hildebolt
OBJECTIVES: The aims of this study were to assess computed tomography enhancement of pancreatic neuroendocrine tumors (NETs), determine correlation with histological vascularity and fibrosis, and identify a biomarker for tumor aggression. METHODS: The arterial and venous enhancement of NET was calculated on computed tomography for 56 patients. Tumor size and vascularity/fibrosis were assessed. Tumor aggression was grouped by World Health Organization and Hochwald grade and the presence of metastases...
September 19, 2017: Pancreas
https://www.readbyqxmd.com/read/28930866/p2x7r-blockade-prevents-nlrp3-inflammasome-activation-and-pancreatic-fibrosis-in-a-mouse-model-of-chronic-pancreatitis
#3
Gui-Xian Zhang, Man-Xue Wang, Wei Nie, Da-Wei Liu, Yi Zhang, Hong-Bin Liu
OBJECTIVES: The aim of this study was to investigate the role of P2X7R (purinergic 2X7 receptor) and NLRP3 (NACHT, LRR, and PYD domains-containing protein 3) inflammasome activation in the process of pancreatic fibrosis in a mouse model of chronic pancreatitis (CP). METHODS: Chronic pancreatitis was induced by repeated intraperitoneal injections of 50 μg/kg cerulein for 6 weeks in mice. P2X7R antagonist oxidized ATP (OxATP) or brilliant blue G (BBG) was administered after the last cerulein injection for 2 weeks...
September 19, 2017: Pancreas
https://www.readbyqxmd.com/read/28930865/presence-of-human-herpesvirus-6b-in-the-pancreas-of-subjects-with-and-without-type-1-diabetes
#4
Maja Ericsson, Oskar Skog
OBJECTIVES: The aims of this study were to investigate the presence of human herpesvirus 6 (HHV6) A and B in human pancreata and to search for signs of active infection in this organ of subjects with and without type 1 diabetes (T1D). METHODS: Pancreata from brain-dead organ donors with and without T1D were examined for the presence of HHV6 genomic sequences by polymerase chain reaction (PCR), transcripts by reverse transcriptase-PCR, and protein by immunohistochemistry...
September 19, 2017: Pancreas
https://www.readbyqxmd.com/read/28926412/endoscopic-ultrasound-and-related-technologies-for-the-diagnosis-and-treatment-of-pancreatic-disease-research-gaps-and-opportunities-summary-of-a-national-institute-of-diabetes-and-digestive-and-kidney-diseases-workshop
#5
Linda S Lee, Dana K Andersen, Reiko Ashida, William R Brugge, Mimi I Canto, Kenneth J Chang, Suresh T Chari, John DeWitt, Joo Ha Hwang, Mouen A Khashab, Kang Kim, Michael J Levy, Kevin McGrath, Walter G Park, Aatur Singhi, Tyler Stevens, Christopher C Thompson, Mark D Topazian, Michael B Wallace, Sachin Wani, Irving Waxman, Dhiraj Yadav, Vikesh K Singh
A workshop was sponsored by the National Institute of Diabetes and Digestive and Kidney Diseases to address the research gaps and opportunities in pancreatic endoscopic ultrasound (EUS). The event occurred on July 26, 2017 in 4 sessions: (1) benign pancreatic diseases, (2) high-risk pancreatic diseases, (3) diagnostic and therapeutics, and (4) new technologies. The current state of knowledge was reviewed, with identification of numerous gaps in knowledge and research needs. Common themes included the need for large multicenter consortia of various pancreatic diseases to facilitate meaningful research of these entities; to standardize EUS features of different pancreatic disorders, the technique of sampling pancreatic lesions, and the performance of various therapeutic EUS procedures; and to identify high-risk disease early at the cellular level before macroscopic disease develops...
September 18, 2017: Pancreas
https://www.readbyqxmd.com/read/28902764/development-of-a-prognostic-model-that-predicts-survival-after-pancreaticoduodenectomy-for-ampullary-cancer
#6
Michael Feretis, Tengyao Wang, Satheesh Iype, Adam Duckworth, Rebecca Brais, Bristi Basu, Neville V Jamieson, Emmanuel Huguet, Anita Balakrishnan, Asif Jah, Raaj K Praseedom, Simon J Harper, Siong-Seng Liau
OBJECTIVES: The aims of this study were to (i) identify independent predictors of survival after pancreaticoduodenectomy for ampullary cancer and (ii) develop a prognostic model of survival. METHODS: Data were analyzed retrospectively on 110 consecutive patients who underwent pancreaticoduodenectomy between 2002 and 2013. Subjects were categorized into 3 nodal subgroups as per the recently proposed nodal subclassification: N0 (node negative), N1 (1-2 metastatic nodes), or N2 (≥3 metastatic nodes)...
September 12, 2017: Pancreas
https://www.readbyqxmd.com/read/28787335/increased-circulating-cd4-cd25-cd127low-neg-regulatory-t-cells-as-a-prognostic-biomarker-in-acute-pancreatitis
#7
Georgi A Minkov, Yovcho P Yovtchev, Krasimira S Halacheva
OBJECTIVE: Early detection of severe forms with unfavorable outcome is the cornerstone that could provide reduction of morbidity and mortality in acute pancreatitis (AP). METHODS: The percentage of circulating CD4CD25CD127 regulatory T-cells (Tregs) was determined at admission, on the 48th hour, and on the fifth day in 72 patients with AP. We divided patients in 2 groups-Sev1, which includes 19 patients (26.4%) with moderate AP and 39 patients (54.2%) with mild disease, and Sev2, which includes 14 patients (19...
August 4, 2017: Pancreas
https://www.readbyqxmd.com/read/28787333/thromboembolisms-in-advanced-pancreatic-cancer-a-retrospective-analysis-of-475-patients
#8
Kazunaga Ishigaki, Yousuke Nakai, Hiroyuki Isayama, Kei Saito, Tsuyoshi Hamada, Naminatsu Takahara, Suguru Mizuno, Dai Mohri, Hirofumi Kogure, Saburo Matsubara, Natsuyo Yamamoto, Minoru Tada, Kazuhiko Koike
OBJECTIVES: Pancreatic cancer is reported to be highly associated with thromboembolism (TE). The aim of this analysis is to clarify risk factors for TE and its clinical impact in Japanese patients with pancreatic cancer. METHODS: Data on consecutive pancreatic cancer patients receiving systemic chemotherapy between August 1999 and July 2015 were retrospectively studied. Both symptomatic and asymptomatic, arterial and venous TEs were included in the analysis. Risk factors for TE development were analyzed using a proportional hazards model with death without TE as a competing risk...
August 4, 2017: Pancreas
https://www.readbyqxmd.com/read/28787332/comparison-of-clinical-data-and-scores-of-quality-of-life-anxiety-and-depression-in-patients-with-different-types-of-intraductal-papillary-mucinous-neoplasms-a-prospective-study
#9
Raffaele Pezzilli, Alessandro Cucchetti, Lucia Calculli
OBJECTIVES: This study aims to evaluate the well-being of patients with main duct intraductal papillary mucinous neoplasms (MD-IPMNs) or mixed type IPMNs (mixed-IPMNs) of the pancreas. METHODS: Twenty-two patients with MD/mixed-IPMNs of the pancreas were studied, and an equal number of patients having branch duct IPMNs (BD-IPMNs) were used as controls. The short form (SF) -12 Health Survey, State Trait Anxiety Inventory Y-1 and Y-2, General Health Questionnaire, and Beck Depression Inventory II were used to evaluate the quality of life once a year for 2 consecutive years...
August 4, 2017: Pancreas
https://www.readbyqxmd.com/read/28742543/one-hundred-twenty-one-resected-solid-pseudopapillary-tumor-of-the-pancreas-an-8-year-single-institution-experience-at-zhongshan-hospital-shanghai-china
#10
Yadong Xu, Guochao Zhao, Ning Pu, Abulimiti Nuerxiati, Yuan Ji, Lei Zhang, Yefei Rong, Wenhui Lou, Dansong Wang, Tiantao Kuang, Xuefeng Xu, Wenchuan Wu
OBJECTIVES: The aims of this study were to introduce our experience with treating patients with pancreatic solid pseudopapillary tumors (SPTs) and to investigate the clinical risk factors for recurrence of SPTs because no consensus has been established to date. METHODS: One hundred twenty-one patients underwent surgical resection from January 2008 to December 2015 in our institution. Clinical data were collected from the standardized reports. RESULTS: Of the 121 patients, 93 (76...
July 24, 2017: Pancreas
https://www.readbyqxmd.com/read/28902801/the-characteristics-of-aborted-procedures-in-total-pancreatectomy-with-islet-autotransplantation-for-chronic-pancreatitis
#11
Rauf Shahbazov, Gumpei Yoshimatsu, Ali Dabous, Michael C Lawrence, Peter T Kim, Nicholas Onaca, Ernest Beecherl, Bashoo Naziruddin, Marlon F Levy
No abstract text is available yet for this article.
October 2017: Pancreas
https://www.readbyqxmd.com/read/28902800/pancreatic-steatosis-is-not-associated-with-exocrine-pancreatic-function-in-overweight-type-2-diabetes-patients
#12
Karuna E W Vendrik, Lennart Tonneijck, Marcel H A Muskiet, Mark H H Kramer, Petra J W Pouwels, Indra C Pieters-van den Bos, Michaela Diamant, Djuna L Cahen, Daniël H van Raalte, Mark M Smits
No abstract text is available yet for this article.
October 2017: Pancreas
https://www.readbyqxmd.com/read/28902799/current-strategies-for-detection-and-treatment-of-recurrence-of-pancreatic-ductal-adenocarcinoma-after-resection-a-nationwide-survey
#13
Vincent P Groot, Lois A Daamen, Jeroen Hagendoorn, Inne H M Borel Rinkes, Olivier R Busch, Hjalmar C van Santvoort, Marc G Besselink, I Quintus Molenaar
No abstract text is available yet for this article.
October 2017: Pancreas
https://www.readbyqxmd.com/read/28902798/cumulative-radiation-exposure-in-pancreatic-drainage-could-it-be-improved
#14
David H Ballard, Daniel V Harper, Guillermo P Sangster, Justin M Owens, Horacio B DʼAgostino
No abstract text is available yet for this article.
October 2017: Pancreas
https://www.readbyqxmd.com/read/28902797/polymorphism-in-dppiv-gene-in-acute-pancreatitis
#15
Jadwiga Snarska, Anna Cieślińska, Ewa Fiedorowicz, Beata Jarmołowska, Edyta Sienkiewicz-Szłapka, Michał Matysiewicz, Krzysztof Kiper, Elżbieta Kostyra
No abstract text is available yet for this article.
October 2017: Pancreas
https://www.readbyqxmd.com/read/28902796/carcinosarcoma-of-the-pancreas-case-report-with-comprehensive-literature-review
#16
Dietrich A Ruess, Claudia Kayser, Jakob Neubauer, Stefan Fichtner-Feigl, Ulrich T Hopt, Uwe A Wittel
Carcinosarcomas are rare biphasic neoplasms with distinct malignant epithelial and mesenchymal components. Most commonly, carcinosarcomas arise in the uterus as malignant mixed müllerian tumors, but also infrequently appear in other organs such as the ovaries and breast, the prostate and urinary tract, the lungs, or in the gastrointestinal system, among others. Pancreatic carcinosarcomas are exceedingly rare; only a few cases are reported in the English literature. Their pathogenesis remains to be fully clarified...
October 2017: Pancreas
https://www.readbyqxmd.com/read/28902795/magnetic-resonance-imaging-of-neuroendocrine-tumor-hepatic-metastases-does-hepatobiliary-phase-imaging-improve-lesion-conspicuity-and-interobserver-agreement-of-lesion-measurements
#17
Brian Morse, Daniel Jeong, Kerry Thomas, Dalanda Diallo, Jonathan R Strosberg
OBJECTIVE: The aim of this study was to determine if magnetic resonance imaging (MRI) performed with hepatobiliary phase imaging results in higher lesion conspicuity and produces lesion measurements with higher interobserver agreement than other MRI sequences when imaging neuroendocrine hepatic metastases. METHODS: Patients who had MRIs with both gadoxetate disodium and gadopentetate dimeglumine contrast within a 6-month span were identified, and 23 hepatic lesions were selected...
October 2017: Pancreas
https://www.readbyqxmd.com/read/28902794/lymph-node-metastasis-in-the-prognosis-of-gastroenteropancreatic-neuroendocrine-tumors
#18
Jacob A Martin, Richard R P Warner, Anne Aronson, Juan P Wisnivesky, Michelle Kang Kim
OBJECTIVES: This study aimed to determine the prognostic use of the extent of lymph node (LN) involvement in patients with gastroenteropancreatic neuroendocrine tumors (GEP-NETs) by analyzing population-based data. METHODS: Patients in the Surveillance, Epidemiology, and End Results registry were identified with histologically confirmed, surgically resected GEP-NETs. We divided patients into 3 lymph node ratio (LNR) groups based on the ratio of positive LNs to total LNs examined: 0...
October 2017: Pancreas
https://www.readbyqxmd.com/read/28902793/the-risk-factors-for-moderately-severe-and-severe-post-endoscopic-retrograde-cholangiopancreatography-pancreatitis-according-to-the-revised-atlanta-classification
#19
Eui Joo Kim, Jae Hee Cho, Kyong Yong Oh, Su Young Kim, Yeon Suk Kim
OBJECTIVES: The aim of this study was to confirm the value of the revised Atlanta classification for predicting the severity of post-endoscopic retrograde choloangiopancreatography pancreatitis (PEP) and to validate the risk factors for moderately severe and severe PEP. METHODS: Among 2672 patients, 86 with PEP and 172 randomly selected control patients were included in this study. Post-endoscopic retrograde choloangiopancreatography pancreatitis was evaluated according to Cotton criteria and the revised Atlanta classification...
October 2017: Pancreas
https://www.readbyqxmd.com/read/28902792/paracrine-secretion-of-transforming-growth-factor-%C3%AE-by-ductal-cells-promotes-acinar-to-ductal-metaplasia-in-cultured-human-exocrine-pancreas-tissues
#20
Naoki Akanuma, Jun Liu, Geou-Yarh Liou, Xue Yin, Kaitlyn R Bejar, Chengyang Liu, Lu-Zhe Sun, Peter Storz, Pei Wang
OBJECTIVE: We aimed to evaluate the contribution of acinar-to-ductal metaplasia (ADM) to the accumulation of cells with a ductal phenotype in cultured human exocrine pancreatic tissues and reveal the underlying mechanism. METHODS: We sorted and cultured viable cell populations in human exocrine pancreatic tissues with a flow cytometry-based lineage tracing method to evaluate possible mechanisms of ADM. Cell surface markers, gene expression pattern, and sphere formation assay were used to examine ADM...
October 2017: Pancreas
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