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https://www.readbyqxmd.com/read/29349542/laparoscopic-pancreaticoduodenectomy-with-reconstruction-of-the-mesentericoportal-vein-with-the-parietal-peritoneum-and-the-falciform-ligament
#1
Safi Dokmak, Béatrice Aussilhou, Mélanie Calmels, Houcine Maghrebi, Fadhel Samir Ftériche, Olivier Soubrane, Alain Sauvanet
BACKGROUND: With the improvement of the surgical technique of Laparoscopic pancreaticoduodenectomy (LPD), indications will be extended to patients with vascular invasion. With LPD, vascular grafts for reconstruction are more frequently needed because adequate mobilization is not always done and vascular grafts can safely facilitate reconstruction. We describe our experience of reconstruction with the falciform ligament. METHODS: Venous reconstruction is performed after removal of the specimen...
January 18, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29344522/intraductal-papillary-mucinous-neoplasms-of-the-pancreas-strategic-considerations
#2
Vicente Morales-Oyarvide, Zhi Ven Fong, Carlos Fernández-Del Castillo, Andrew L Warshaw
Intraductal papillary mucinous neoplasms (IPMN) are cystic neoplasms with the potential for progression to pancreatic cancer. Recognized by the global medical community just over two decades ago, IPMN have gained great epidemiological and clinical relevance thanks to the widespread use of cross-sectional abdominal imaging, which has led to a surge in the number of incidental pancreatic cysts being diagnosed. As our understanding of this disease has improved, we now know that some IPMN have a very elevated risk of cancer and require surgical resection, while others are low-risk lesions and can be followed...
December 2017: Visceral Medicine
https://www.readbyqxmd.com/read/29339034/extracellular-matrix-proteins-and-carcinoembryonic-antigen-related-cell-adhesion-molecules-characterize-pancreatic-duct-fluid-exosomes-in-patients-with-pancreatic%C3%A2-cancer
#3
Jian Zheng, Jonathan M Hernandez, Alexandre Doussot, Linda Bojmar, Constantinos P Zambirinis, Bruno Costa-Silva, Elke J A H van Beek, Milica T Mark, Henrik Molina, Gokce Askan, Olca Basturk, Mithat Gonen, T Peter Kingham, Peter J Allen, Michael I D'Angelica, Ronald P DeMatteo, David Lyden, William R Jarnagin
BACKGROUND: Exosomes are nanovesicles that have been shown to mediate carcinogenesis in pancreatic ductal adenocarcinoma (PDAC). Given the direct communication of pancreatic duct fluid with the tumor and its relative accessibility, we aimed to determine the feasibility of isolating and characterizing exosomes from pancreatic duct fluid. METHODS: Pancreatic duct fluid was collected from 26 patients with PDAC (n = 13), intraductal papillary mucinous neoplasm (IPMN) (n = 8) and other benign pancreatic diseases (n = 5) at resection...
January 12, 2018: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/29338919/agreement-among-magnetic-resonance-imaging-magnetic-resonance-cholangiopancreatography-mri-mrcp-and-endoscopic-ultrasound-eus-in-the-evaluation-of-morphological-features-of-branch-duct-intraductal-papillary-mucinous-neoplasm-bd-ipmn
#4
Laura Uribarri-Gonzalez, Margaret G Keane, Stephen P Pereira, Julio Iglesias-García, J Enrique Dominguez-Muñoz, Jose Lariño-Noia
BACKGROUND/OBJECTIVES: To evaluate the agreement between the imaging modalities MRI-MRCP and EUS in cystic lesions of the pancreas which were thought to be a BD-IPMN. METHODS: Multicenter retrospective study included all patients between 2010 and 2015 with a suspected BD-IPMN who underwent an EUS and MRI-MRCP within 6 months or less of each other. Location, number, size, worrisome features and high-risk stigmata were evaluated. Interobserver agreement was evaluated by Kappa score...
January 4, 2018: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/29334845/neutrophil-to-lymphocyte-ratio-and-mural-nodule-height-as-predictive-factors-for-malignant-intraductal-papillary-mucinous-neoplasms
#5
Yusuke Watanabe, Yusuke Niina, Kazuyoshi Nishihara, Takafumi Okayama, Sadafumi Tamiya, Toru Nakano
BACKGROUND: Accurate preoperative prediction for malignant IPMN is still challenging. The aim of this study was to investigate the validity of neutrophil-to-lymphocyte ratio (NLR) and mural nodule height (MNH) for predicting malignant intraductal papillary mucinous neoplasm (IPMN). METHODS: The medical records of 60 patients who underwent pancreatectomy for IPMN were retrospectively reviewed. RESULTS: NLR tended to be higher in malignant IPMN (median: 2...
January 15, 2018: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/29325350/-the-current-status-of-diagnosis-and-treatment-of-pancreatic-cystic-neoplasm-in-china-a-report-of-2-251-cases
#6
(no author information available yet)
Objective: To analyze the current status of diagnosis and treatment of pancreatic cystic neoplasm(PCN)in China. Methods: Clinical data of 2 251 PCN patients who underwent surgical resection from January 2006 to December 2016 in 16 institutions was retrospectively analyzed.Excel database was created which covered 132 fields of 7 fields: general information of patients, imaging findings, preoperative blood biochemical indexes, tumor markers, surgical related data, postoperative complications and pathology. Results: Of the 2 251 patients, the male to female ratio was 1...
January 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29305088/immunohistochemical-analysis-of-imp3-and-p53-expression-in-endoscopic-ultrasound-guided-fine-needle-aspiration-and-resected-specimens-of-pancreatic-diseases
#7
Junichi Senoo, Rintaro Mikata, Takashi Kishimoto, Masahiro Hayashi, Yuko Kusakabe, Shin Yasui, Mutsumi Yamato, Hiroshi Ohyama, Harutoshi Sugiyama, Toshio Tsuyuguchi, Hideyuki Yoshitomi, Masayuki Ohtsuka, Juri Maeda, Satoshi Ota, Yukio Nakatani, Naoya Kato
BACKGROUND: Insulin-like growth factor II messenger ribonucleic acid-binding protein 3 (IMP3) is a valuable marker that distinguishes malignant from benign lesions and predicts prognosis. METHODS: First, we evaluated IMP3 expression in 77 resected specimens of pancreatic ductal adenocarcinoma (PDAC), intraductal papillary mucinous neoplasm (IPMN), and chronic pancreatitis (CP). Eleven PDAC patients preoperatively underwent endoscopic ultrasound-guided fine needle aspiration (EUS-FNA)...
December 26, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/29289465/investigating-the-role-of-transcription-factors-of-pancreas-development-in-pancreatic-cancer
#8
REVIEW
Ahmad Abu Turab Naqvi, Gulam Mustafa Hasan, Md Imtaiyaz Hassan
Pancreatic cancer (PC) is the seventh most common cause of cancer-related deaths worldwide that kills more than 300,000 people every year. Prognosis of PC is very poor with a five-year survival rate about 5%. The most common and highly observed type of PC is pancreatic ductal adenocarcinoma (PDAC). It is preceded by the progression of precursor lesions such as Pancreatic Intraepithelial Neoplasia (PanIN), Intraductal Papillary Neoplasm (IPMN) and Mucinous Cystic Neoplasm (MCN). PanIN is the most common among these premalignant lesions...
December 24, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/29288277/new-guidelines-for-use-of-endoscopic-ultrasound-for-evaluation-and-risk-stratification-of-pancreatic-cystic-lesions-may-be-too-conservative
#9
Nadav Sahar, Anthony Razzak, Zaheer S Kanji, David L Coy, Richard Kozarek, Andrew S Ross, Michael Gluck, Michael Larsen, Shayan Irani, S Ian Gan
BACKGROUND: The role of EUS in managing asymptomatic pancreatic cystic lesions (PCLs) remains unresolved. We retrospectively evaluated EUS in risk stratification of PCLs when adhering to the most recent AGA guidelines. METHODS: Asymptomatic PCLs that were evaluated by EUS from January 2014 to December 2014 were retrospectively reviewed including associated cytology, fluid analysis, and relevant surgical pathology. Cross-sectional imaging reports were reviewed blindly by an expert radiologist using AGA risk stratification terminology...
December 29, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29277093/hemosuccus-pancreaticus-in-the-simple-mucinous-cyst-of-the-pancreas
#10
I L Eok Jo, Dae Hwan Kang, Cheol Woong Choi, Hyung Wook Kim, Su Jin Kim, Hyeong Seok Nam, Dae Gon Ryu
Hemosuccus pancreaticus is an unusual gastrointestinal hemorrhage through the main pancreatic duct. We report a rare case of hemosuccus pancreaticus due to a simple mucinous cyst of the pancreas. A 52-year-old man who had been followed-up for a suspected branch duct intraductal papillary mucinous neoplasm (IPMN) visited the emergency room due to hematochezia. Endoscopy showed active bleeding from the ampulla. Computed tomography revealed hemorrhage in a 2.0-cm cystic mass in the pancreatic body. The patient was diagnosed with hemosuccus pancreaticus caused by bleeding into the main pancreatic duct from suspected IPMN...
December 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/29273875/robotic-total-pancreatectomy-with-splenectomy-technique-and-outcomes
#11
Ioannis T Konstantinidis, Zeljka Jutric, Oliver S Eng, Susanne G Warner, Laleh G Melstrom, Yuman Fong, Byrne Lee, Gagandeep Singh
BACKGROUND: Robotic total pancreatectomy (TP) represents a minimally invasive approach to a major intra-abdominal operation. Its utility, technique, and outcomes are evolving. METHODS: In this video, we describe a systematic approach to a robotic total pancreatectomy performed for multifocal intraductal papillary mucinous neoplasm (IPMN). Additionally, we reviewed the National Cancer Database (NCDB) to examine the outcomes of robotic TP compared to laparoscopic and open TP between 2010 and 2014...
December 22, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29273451/loss-of-pten-and-activation-of-kras-synergistically-induce-formation-of-intraductal-papillary-mucinous-neoplasia-from-pancreatic-ductal-cells-in-mice
#12
Janel L Kopp, Claire L Dubois, David F Schaeffer, Atefeh Samani, Farnaz Taghizadeh, Robert W Cowan, Andrew D Rhim, Bangyan L Stiles, Mark Valasek, Maike Sander
BACKGROUND & AIMS: Intraductal papillary mucinous neoplasias (IPMN) are precancerous cystic lesions that can develop into pancreatic ductal adenocarcinomas (PDACs). These large macroscopic lesions are frequently detected during medical imaging, but it is unclear how they form or progress to PDAC. We aimed to identify cells that form IPMNs and mutations that promote IPMN development and progression. METHODS: We generated mice with disruption of Pten specifically in ductal cells (Sox9CreERT2;Ptenflox/flox;R26RYFP or PtenΔDuct/ΔDuct mice) and used PtenΔDuct/+ and Pten+/+ mice as controls...
December 19, 2017: Gastroenterology
https://www.readbyqxmd.com/read/29245923/evi1-modulates-oncogenic-role-of-gpc1-in-pancreatic-carcinogenesis
#13
Mariko Tanaka, Shumpei Ishikawa, Tetsuo Ushiku, Teppei Morikawa, Takayuki Isagawa, Makoto Yamagishi, Hiroyuki Yamamoto, Hiroto Katoh, Kimiko Takeshita, Junichi Arita, Yoshihiro Sakamoto, Kiyoshi Hasegawa, Norihiro Kokudo, Masashi Fukayama
Glypican-1 (GPC1) protein in exosomes was recently identified as a biomarker for the early detection of pancreatic ductal adenocarcinoma (PDAC). Immunohistochemical analyses and in vitro assays were conducted to assess the usefulness of GPC1 as a PDAC biomarker, to reveal the biological role of GPC1 in pancreatic carcinogenesis, and to ascertain the regulation mechanism of GPC1. An aberrant overexpression of GPC1 protein which is usually absent in normal pancreatic duct, was a widespread marker across the full spectrum of human PDAC precursors, PDAC, and pancreatic cancerous stroma...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29232660/vanishing-pancreatic-cysts-during-follow-up-another-step-towards-de-emphasizing-cyst-size-as-a-major-clinical-predictor-of-malignancy
#14
Giovanni Marchegiani, Stefano Andrianello, Giampaolo Perri, Deborah Bonamini, Riccardo De Robertis, Giuseppe Malleo, Claudio Bassi, Roberto Salvia
INTRODUCTION: In the management of pancreatic cystic neoplasms (PCN), size plays a crucial role as the expression of disease progression. While many evidences regarding the natural history of growing pancreatic cysts exist, almost no data are available regarding cysts with a reduction in size. METHODS: Radiological and clinical data from patients of the dedicated pancreatic cysts outpatient clinic of the Department of General and Pancreatic Surgery, University of Verona Hospital were retrospectively reviewed...
December 12, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/29229290/simple-detection-of-telomere-fusions-in-pancreatic-cancer-intraductal-papillary-mucinous-neoplasm-and-pancreatic-cyst-fluid
#15
Tatsuo Hata, Marco Dal Molin, Anne McGregor-Das, Tae Jun Song, Christopher Wolfgang, James R Eshleman, Ralph H Hruban, Michael Goggins
Telomere end-to-end fusions are an important source of chromosomal instability that arise in cells with critically shortened telomeres. We developed a nested real-time quantitative PCR method for telomere fusion detection in pancreatic ductal adenocarcinomas, intraductal papillary mucinous neoplasms (IPMNs), and IPMN cyst fluids. Ninety-one pancreatic cancer cell lines and xenograft samples, 93 IPMNs, and 93 surgically aspirated IPMN cyst fluid samples were analyzed. The association between telomere shortening, telomerase activity, and telomere fusion detection was evaluated...
December 6, 2017: Journal of Molecular Diagnostics: JMD
https://www.readbyqxmd.com/read/29228431/the-association-of-pancreatic-cystosis-and-ipmn-in-cystic-fibrosis-case-report-and-literature-review
#16
D Pagliari, A Saviano, M L Serricchio, A A Dal Lago, M G Brizi, R Manfredi, G Costamagna, F Attili
Pancreatic cystosis is a rare presentation of cystic fibrosis involving pancreatic gland. To date, only very few cases of pancreatic cystosis have been described in literature. Pancreatic cystosis may begin during the second decade of life and is the rarest presentation of cystic fibrosis. This disease is characterized by the presence of multiloculated cysts without ductal system communication of different sizes in all the pancreatic tissue. Herein, we report a case of a young woman affected by cystic fibrosis that was admitted to our Pancreatic Centre to evaluate a picture of diffuse multiloculated pancreatic cysts...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29221926/plasma-protein-profiling-of-patients-with-intraductal-papillary-mucinous-neoplasm-of-the-pancreas-as-potential-precursor-lesions-of-pancreatic-cancer
#17
Maria Ilies, Praveen Kumar Sappa, Cristina Adela Iuga, Felicia Loghin, Manuela Gesell Salazar, Frank Ulrich Weiss, Georg Beyer, Markus M Lerch, Uwe Völker, Julia Mayerle, Elke Hammer
Efforts for the early diagnosis of the pancreatic ductal adenocarcinoma (PDAC) have recently been driven to one of the precursor lesions, namely intraductal papillary mucinous neoplasm of the pancreas (IPMN). Only a few studies have focused on IPMN molecular biology and its overall progression to cancer. Therefore, IPMN lacks comprehensive characterization which makes its clinical management controversial. In this study, we characterized plasma proteins in the presence of IPMNs in comparison to healthy controls, chronic pancreatitis, and PDAC by a proteomics approach using data-independent acquisition based mass spectrometry...
December 5, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29221879/surveillance-of-patients-with-intraductal-papillary-mucinous-neoplasm-with-and-without-pancreatectomy-with-special-reference-to-the-incidence-of-concomitant-pancreatic-ductal-adenocarcinoma
#18
Kenjiro Date, Takao Ohtsuka, So Nakamura, Naoki Mochidome, Yasuhisa Mori, Yoshihiro Miyasaka, Yoshinao Oda, Masafumi Nakamura
BACKGROUND: The presence of an intraductal papillary mucinous neoplasm (IPMN) is important in the detection of concomitant pancreatic ductal adenocarcinoma (PDAC). The aim of this study was to elucidate the incidence and timing of development of concomitant PDAC in patients with and without pancreatectomy for IPMN. METHODS: We reviewed retrospectively the surveillance data for 22 patients who underwent pancreatectomy for PDAC concomitant with IPMN (PDAC-resection group), 180 who underwent pancreatectomy for IPMN (IPMN-resection group), and 263 whose IPMNs were left untreated (non-resection group)...
December 5, 2017: Surgery
https://www.readbyqxmd.com/read/29218397/can-we-better-predict-the-biologic-behavior-of-incidental-ipmn-a-comprehensive-analysis-of-molecular-diagnostics-and-biomarkers-in-intraductal-papillary-mucinous-neoplasms-of-the-pancreas
#19
Kiara A Tulla, Ajay V Maker
PURPOSE: Predicting the biologic behavior of intraductal papillary mucinous neoplasm (IPMN) remains challenging. Current guidelines utilize patient symptoms and imaging characteristics to determine appropriate surgical candidates. However, the majority of resected cysts remain low-risk lesions, many of which may be feasible to have under surveillance. We herein characterize the most promising and up-to-date molecular diagnostics in order to identify optimal components of a molecular signature to distinguish levels of IPMN dysplasia...
December 7, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/29190947/thioredoxin-system-mediated-regulation-of-mutant-kras-associated-pancreatic-neoplasia-and-cancer
#20
Michelle A Schultz, Andrew M Diaz, Sharon Smite, Anna R Lay, Brian DeCant, Ronald McKinney, Windel E Mascarinas, Yinglin Xia, Carola Neumann, David Bentrem, David W Dawson, Paul J Grippo
Peroxiredoxin-1 (Prdx1), a member of the thioredoxin (Txn) system, is overexpressed and correlates with poor prognosis in pancreatic cancer patients and can suppress Kras signaling through redox-mediated inhibition of ERK and AKT in lung and breast cancer. Its redox function is maintained by Txn and sulfiredoxin (Srxn), and its tumor promoting functions are activated by post-translational modification. We studied the role of the Txn system in pancreatic neoplasia and cancer by determining how it regulates the phosphorylation of Kras effectors and by determining its association with patient survival...
November 3, 2017: Oncotarget
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