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Pancreatic neoplasms

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https://www.readbyqxmd.com/read/28938594/microrna-expression-levels-as-diagnostic-biomarkers-for-intraductal-papillary-mucinous-neoplasm
#1
Lei Wang, Jianming Zheng, Chang Sun, Li Wang, Gang Jin, Lei Xin, Zhendong Jin, Dong Wang, Zhaoshen Li
Intraductal papillary mucinous neoplasms (IPMNs) are deadly exocrine mucinous tumors. Currently the molecular features and diagnostic markers of IPMNs are not well understood. In this study, we performed microRNA (miRNA) profiling assays to study the potential roles of miRNAs in IPMNs using 78 cases of IPMN patients and controls. When comparing the miRNA expression between IPMN patient samples and controls, we found that miR-210, miR-223, miR-221, miR-155 and miR-187 were differentially expressed in normal pancreas and IPMNs...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28936888/dual-energy-ct-applications-in-pancreatic-pathologies
#2
Elizabeth George, Jeremy R Wortman, Urvi P Fulwadhva, Jennifer W Uyeda, Aaron D Sodickson
Dual energy CT is a technology that is gaining widespread acceptance, particularly for its abdominopelvic applications. Pancreatic pathologies are an ideal application for the many advantages offered by dual energy post-processing. This article reviews the current literature on dual energy CT pancreatic imaging, specifically in the evaluation of pancreatic adenocarcinoma, other solid and cystic pancreatic neoplasms, and pancreatitis. The advantages in characterization and quantification of enhancement, detection of subtle lesions, and potential reduction of imaging phases and contrast usage are reviewed...
September 22, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28936758/mucinous-cystic-neoplasms-of-the-pancreas-high-resolution-cross-sectional-imaging-features-with-clinico-pathologic-correlation
#3
Alejandro Garces-Descovich, Kevin Beker, Manuel Castillo-Angeles, Alexander Brook, Elena Resnick, Shweta Shinagare, Robert M Najarian, Koenraad J Mortele
PURPOSE: To describe the high-resolution cross-sectional (MDCT/MRI) features of mucinous cystic neoplasms (MCN) of the pancreas with clinico-pathologic correlation; to identify imaging predictors of high-grade dysplasia/carcinoma; and to estimate MCN growth rate. MATERIALS AND METHODS: Thirty-two women (mean age: 46; range, 25-79 years) with resected MCN who underwent preoperative MDCT (n = 20) or MRI (n = 12) examinations over a 14-year period were included...
September 21, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28934821/feasibility-of-a-complete-pancreatobiliary-linear-endoscopic-ultrasound-examination-from-the-stomach
#4
Vinay Dhir, Douglas G Adler, Nonthalee Pausawasdi, Amit Maydeo, Khek Yu Ho
Background and study aims Linear endoscopic ultrasound (EUS) evaluation of the pancreaticobiliary system usually requires scanning from both the stomach and the duodenum. The feasibility of assessing the complete pancreaticobiliary system from the stomach alone has not been studied. We aimed to conceptualize a system-based approach (the railroad approach) for linear pancreaticobiliary EUS (PB-EUS) and evaluate whether the pancreaticobiliary anatomy could be assessed from the stomach alone. Patients and methods Three maneuvers were conceptualized and evaluated (the alpha maneuver in the stomach, and sigma and xi maneuvers in the duodenum)...
September 21, 2017: Endoscopy
https://www.readbyqxmd.com/read/28932629/a-circulating-th2-cytokines-profile-predicts-survival-in-patients-with-resectable-pancreatic-adenocarcinoma
#5
Geny Piro, Francesca Simionato, Carmine Carbone, Melissa Frizziero, Giuseppe Malleo, Silvia Zanini, Raffaella Casolino, Raffaela Santoro, Maria Mihaela Mina, Camilla Zecchetto, Valeria Merz, Aldo Scarpa, Claudio Bassi, Giampaolo Tortora, Davide Melisi
Surgery is the only potentially curative option for patients with pancreatic ductal adenocarcinoma (PDAC), but metastatic relapse remains common. We hypothesized that the expression levels of inflammatory cytokines could predict recurrence of PDAC, thus allowing to select patients who most likely could benefit from surgical resection. We prospectively collected plasma at diagnosis from 287 patients with pancreatic resectable neoplasms. The expression levels of 23 cytokines were measured in 90 patients with PDAC by using a multiplex analyte profiling assay...
2017: Oncoimmunology
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
#6
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/28928356/clinical-value-of-contrast-enhanced-harmonic-endoscopic-ultrasonography-in-the-differential-diagnosis-of-pancreatic-and-gallbladder-masses
#7
Galam Leem, Moon Jae Chung, Jeong Youp Park, Seungmin Bang, Si Young Song, Jae Bock Chung, Seung Woo Park
Background/Aims: Recent studies have revealed that contrast-enhanced harmonic endoscopic ultrasonography (CEH-EUS) is beneficial in the differential diagnosis of malignant neoplasms of the pancreas and gallbladder from benign masses, in terms of the evaluation of microvasculature and real-time perfusion. In this study, we aimed to prove the clinical value of CEH-EUS in the differential diagnosis of pancreatic and gallbladder masses by direct comparison with that of conventional EUS. Methods: We reviewed the sonographic images and medical information of 471 patients who underwent conventional EUS and CEH-EUS for the diagnosis of pancreatic and gallbladder masses at a single medical center (Severance Hospital, Seoul, Korea) between March 2010 and March 2016...
September 20, 2017: Clinical Endoscopy
https://www.readbyqxmd.com/read/28919629/acinar-cell-carcinoma-of-the-pancreas-a-case-report
#8
S Mohammed, M M Chowdhury, A A Ullah, S M Towhid, S A Sobhan, I J Zeba, M M Haque, M T Islam, M Hussain, T K Roy, S R Russel, A M Chowdhury, M K Alam
Acinar cell carcinoma (ACC) of the pancreas is a very rare neoplasm. We report a case of pancreatic acinar cell carcinoma involving the uncinate process of the pancreas. A 45 year old man presented with a painful upper abdominal mass without any jaundice or weight loss. Computed Tomography (CT) and Magnetic Resonance Cholangio-Pancreatography (MRCP) indicated a mass lesion in the uncinate process of the pancreas. He underwent Whipple's procedure (Pancreaticoduodenectomy). Histological slides revealed features of Acinar cell carcinoma (ACC) in the uncinate process of the pancreas and a lymph node...
July 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28918799/new-imaging-techniques-for-endoscopic-ultrasonography-contrast-enhanced-endoscopic-ultrasonography
#9
REVIEW
Masayuki Kitano, Yasunobu Yamashita
Conventional endoscopic ultrasonography (EUS) has limitations in the diagnosis of solid masses. Because most are depicted as a hypoechoic mass, without cytology or biopsy, it can be difficult to distinguish inflammatory masses from malignancy. Recently developed, contrast-enhanced harmonic EUS (CH-EUS) has improved characterization of digestive lesions by depicting microvessels and parenchymal perfusion, particularly for differentiating pancreatic cancer from other pancreatic solid lesions, identifying mural nodules in intraductal papillary mucinous neoplasms, and estimating malignant potential of gastrointestinal stromal tumors...
October 2017: Gastrointestinal Endoscopy Clinics of North America
https://www.readbyqxmd.com/read/28914620/new-developments-in-the-molecular-mechanisms-of-pancreatic-tumorigenesis
#10
Matthäus Felsenstein, Ralph H Hruban, Laura D Wood
Pancreatic cancer is an aggressive disease with a dismal prognosis in dire need of novel diagnostic and therapeutic approaches. The past decade has witnessed an explosion of data on the genetic alterations that occur in pancreatic cancer, as comprehensive next-generation sequencing analyses have been performed on samples from large cohorts of patients. These studies have defined the genomic landscape of this disease and identified novel candidates whose mutations contribute to pancreatic tumorigenesis. They have also clarified the genetic alterations that underlie multistep tumorigenesis in precursor lesions and provided insights into clonal evolution in pancreatic neoplasia...
September 13, 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28911946/suboptimal-interobserver-agreement-among-cytopathologists-for-endoscopic-ultrasound-fine-needle-aspirates-of-solid-pancreatic-lesions
#11
Carrie Marshall, Rawad Mounzer, Matt Hall, Violette Simon, Barbara Centeno, Katie Dennis, Jasreman Dhillon, Fang Fan, Laila Khazai, Jason Klapman, Srinadh Komanduri, Xiaoqi Lin, David Lu, Sanjana Mehrotra, V Raman Muthusamy, Ritu Nayar, Ajit Paintal, Jianyu Rao, Sharon Sams, Janak Shah, Rabindra Watson, Amit Rastogi, Sachin Wani
BACKGROUND AND AIMS: Despite the widespread use of endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) and the standardization of pancreaticobiliary cytopathologic nomenclature, data on interobserver agreement (IOA) amongst cytopathologists evaluating pancreatic tissue specimens are limited. We aimed to assess IOA among cytopathologists evaluating EUS-FNA specimens of solid pancreatic lesions for overall cytologic diagnosis and quantitative and qualitative parameters using a novel standardized scoring tool and to evaluate predictors of agreement...
September 11, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28911064/cancer-mortality-predictions-for-2017-in-latin-america
#12
G Carioli, C La Vecchia, P Bertuccio, T Rodriguez, F Levi, P Boffetta, E Negri, M Malvezzi
Background: From most recent available data, we predicted cancer mortality statistics in selected Latin American countries for the year 2017, with focus on lung cancer. Materials and methods: We obtained death certification data from the World Health Organization and population data from the Pan American Health Organization database for all neoplasms and selected cancer sites. We derived figures for Argentina, Brazil, Chile, Colombia, Cuba, Mexico and Venezuela...
September 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28902796/carcinosarcoma-of-the-pancreas-case-report-with-comprehensive-literature-review
#13
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/28902790/impact-of-treatments-on-diabetic-control-and-gastrointestinal-symptoms-after-total-pancreatectomy
#14
Maarten R Struyvenberg, Zhi Ven Fong, Camilia R Martin, Jennifer F Tseng, Thomas E Clancy, Carlos Fernández-Del Castillo, Hanna J Tillman, Melena D Bellin, Steven D Freedman
OBJECTIVES: The aims of this study were to compare the safety, efficacy, and patients' quality of life with continuous subcutaneous insulin infusion (CSII) versus multiple daily injections (MDIs) in type 3c diabetes mellitus (T3cDM) following total pancreatectomy (TP) and pancreatic enzyme usage. METHODS: Thirty-nine patients with T3cDM (18 CSII patients vs 21 MDI patients) who underwent TP between 2000 and 2016 at 3 Harvard-affiliated hospitals and the University of Minnesota returned prospectively obtained questionnaires examining quality of life and both endocrine and exocrine pancreatic functions...
October 2017: Pancreas
https://www.readbyqxmd.com/read/28902782/impact-of-muc1-expression-on-the-progression-of-intraductal-papillary-mucinous-neoplasm-with-worrisome-features-during-follow-up
#15
Ko Tomishima, Jin Kan Sai, Ryo Kanazawa, Hiroko Miura, Ryo Shimizu, Koki Sato, Shigeto Ishii, Hiroaki Saito, Tomoyasu Ito, Yuki Fukumura, Shuichiro Shiina, Sumio Watanabe
OBJECTIVES: The aim of this study was to investigate whether MUC1 expression is associated with progression of intraductal papillary mucinous neoplasms with worrisome features during follow-up. METHODS: Fifteen patients positive for MUC1 and negative for MUC2 (MUC1 group) and 16 patients negative for MUC1 and MUC2 (control group) were followed up and examined for changes in diameters of the main and ectatic branches of pancreatic ducts, enlargement of mural nodules, and appearance of a solid mass, by imaging studies...
October 2017: Pancreas
https://www.readbyqxmd.com/read/28902778/incidences-of-pancreatic-malignancy-and-mortality-in-patients-with-untreated-branch-duct-intraductal-papillary-mucinous-neoplasms-undergoing-surveillance-a-systematic-review
#16
Rutger J Lensing, Shandra Bipat
OBJECTIVE: The aim of this study was to pool incidences of increased cyst size, malignant branch-duct intraductal papillary mucinous neoplasms (BD-IPMNs), pancreatic malignancy, and pancreatic malignancy-related death during follow-up (FU) of BD-IPMN patients. METHODS: Searches were performed from January 2010 to April 2016. All hits were checked on inclusion criteria, and outcomes were extracted. Incidences were pooled. Three subgroups were defined: (1) including only BD-IPMN patients, (2) short-interval FU (maximum 6 months), and (3) long-interval FU (>6 months)...
October 2017: Pancreas
https://www.readbyqxmd.com/read/28900990/-prognostic-value-of-carcinoembryonic-antigen-alpha-fetoprotein-carbohydrate-antigen-125-and-carbohydrate-antigen-19-9-in-gastroenteropancreatic-neuroendocrine-neoplasms
#17
Luohai Chen, Yu Zhang, Minhu Chen, Jie Chen
OBJECTIVE: To study the rate of elevated common biomarkers of digestive tumors, including carcinoembryonic antigen (CEA), alpha fetoprotein (AFP), carbohydrate antigen 125 (CA125) and carbohydrate antigen 19-9 (CA19-9), in gastroenteropancreatic neuroendocrine neoplasm (GEP-NEN) and their prognostic values in GEP-NEN. METHODS: Clinicopathological data of patients with GEP-NEN treated in The First Affiliated Hospital, Sun Yat-sen University from January 2011 to December 2016 were retrospectively studied...
September 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28900331/solid-pseudopapillary-tumor-of-pancreas-a-case-report-and-review-of-literature
#18
Gursev Sandlas, Charu Tiwari
Solid pseudopapillary neoplasm of the pancreas is one of the rarest forms of pancreatic neoplasm. It was also known as Franz's tumor or Hamoudi tumor until WHO labeled it as solid pseudopapillary tumor (SPT) in 1996. It typically affects young non-Caucasian females in their second or third decade of life. Treatment involves complete excision of the tumor which results in complete cure in majority of the cases. We present here a report of 11-year-old girl with SPT and also do a review of literature for this rare tumor...
April 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28891127/helicobacter-pylori-gastric-cancer-and-other-gastrointestinal-malignancies
#19
REVIEW
Marino Venerito, Riccardo Vasapolli, Theodore Rokkas, Jean-Charles Delchier, Peter Malfertheiner
In a retrospective study performed in California, U.S.A., ca. 3% of patients with gastric intestinal metaplasia (GIM) developed gastric cancer (GC) within a median time period of 4.6 years after diagnosis of GIM. This observation stresses the importance of targeted surveillance even in regions with a low GC prevalence. Patients with alcoholic liver disease as well as survivors of colorectal and lobular breast cancer were found to be at increased risk of secondary GC. A population-based Chinese study confirmed "serologic biopsy" as a useful screening tool for stratifying the individual risk of developing GC...
September 2017: Helicobacter
https://www.readbyqxmd.com/read/28890216/my-treatment-approach-pancreatic-cysts
#20
Omer Basar, William R Brugge
Our treatment approach for either symptomatic or incidentally found pancreatic cysts continues to improve. The true incidence of pancreatic cysts is not known, and pancreatic cystic neoplasms, especially intraductal papillary mucinous neoplasms, are currently most commonly diagnosed and resected. This is a result of increasing awareness, widespread availability of imaging, and better understanding of the nature of pancreatic cysts as well. Recent studies on molecular analysis and devices such as microbiopsy forceps help us better define and select the treatment approach to alleviate symptoms and to prevent malignant tumors while avoiding unnecessary surgery...
September 7, 2017: Mayo Clinic Proceedings
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