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https://www.readbyqxmd.com/read/29691733/health-disparities-impact-expected-treatment-of-pancreatic-ductal-adenocarcinoma-nationally
#1
Waseem Lutfi, Mazen S Zenati, Amer H Zureikat, Herbert J Zeh, Melissa E Hogg
BACKGROUND AND PURPOSE: National adherence to treatment guidelines for pancreatic ductal adenocarcinoma (PDAC) is a concern. This study aims to evaluate national expected treatment (ET) adherence for all PDAC stages. We hypothesized that both patient and hospital demographics are associated with national ET disparities for PDAC. METHODS: Clinical stage I through IV PDAC patients were evaluated using the National Cancer Data Base from 2004 to 2013. ET was defined as surgery for stage I/II, chemotherapy or radiation for stage III, and chemotherapy for stage IV...
April 24, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29690672/-standardization-of-pancreatoduodenetomy-specimen-dissection-samplin-and-pathology-reporting-of-pancreatic-head-adenocarcinoma
#2
K D Li, B B Cai, H J Hua, C Xu, C Liu, M N Lin, X Li, G X Song, H Li, Y Ding, Y Miao, Z H Zhang
No abstract text is available yet for this article.
April 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29689572/endoscopic-ultrasound-elastography-of-small-solid-pancreatic-lesions-a-multicenter-study
#3
Andre Ignee, Christian Jenssen, Paolo G Arcidiacono, Michael Hocke, Kathleen Möller, Adrian Saftoiu, Uwe Will, Pietro Fusaroli, Julio Iglesias-Garcia, Ryan Ponnudurai, Maria C Petrone, Barbara Braden, Eike Burmester, Yi Dong, Nathan S Atkinson, Christoph F Dietrich
BACKGROUND:  The prevalence of malignancy in patients with small solid pancreatic lesions is low; however, early diagnosis is crucial for successful treatment of these cases. Therefore, a method to reliably distinguish between benign and malignant small solid pancreatic lesions would be highly desirable. We investigated the role of endoscopic ultrasound (EUS) elastography in this setting. METHODS:  Patients with solid pancreatic lesions ≤ 15 mm in size and a definite diagnosis were included...
April 24, 2018: Endoscopy
https://www.readbyqxmd.com/read/29685757/severe-postoperative-complications-decrease-overall-and-disease-free-survival-in-pancreatic-ductal-adenocarcinoma-after-pancreaticoduodenectomy
#4
Jean Lubrano, Philippe Bachelier, François Paye, Yves Patrice Le Treut, Laurence Chiche, Antonio Sa-Cunha, Olivier Turrini, Benjamin Menahem, Guy Launoy, Jean-Robert Delpero
BACKGROUND: Postoperative complications influence overall and disease free survival after pancreaticoduodenectomy for pancreatic ductal adenocarcinoma is still a matter of debate and controversy. METHODS: The outcome of 942 consecutive patients, from the multicentric study of the French Association of Surgery, between January 2004 and December 2009 was analyzed. Perioperative data, including severe complications (grade III and above), were used in univariate and multivariate analysis to assess their influence on overall and disease free survival...
April 10, 2018: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29685673/multifocal-cysts-and-incidence-of-pancreatic-cancer-concomitant-with-intraductal-papillary-mucinous-neoplasm
#5
Takuya Ikegawa, Atsuhiro Masuda, Arata Sakai, Hirochika Toyama, Yoh Zen, Keitaro Sofue, Takashi Nakagawa, Hideyuki Shiomi, Mamoru Takenaka, Takashi Kobayashi, Masaru Yoshida, Yoshifumi Arisaka, Yoshihiro Okabe, Hiromu Kutsumi, Takumi Fukumoto, Takeshi Azuma
OBJECTIVES: The present study was conducted in order to elucidate the relationship between the number of cyst-existing regions and incidence of pancreatic ductal adenocarcinoma (PDAC) concomitant with intraductal papillary mucinous neoplasm (IPMN), which currently remains unclear. METHODS: Subjects comprised 141 patients undergoing resection for IPMN (Non-invasive IPMN (IPMN with low-to high-grade dysplasia): N = 94, invasive IPMN: N = 31, and PDAC concomitant with IPMN: N = 16) between November 2000 and February 2017...
April 13, 2018: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/29685381/an-onco-geriatric-approach-to-select-older-patients-for-optimal-treatments-of-pancreatic-adenocarcinoma
#6
Elisabeth Castel-Kremer, Solene De Talhouet, Anne-Laure Charlois, Emmanuelle Graillot, Xavier Chopin-Laly, Mustapha Adham, Brigitte Comte, Catherine Lombard-Bohas, Thomas Walter, Gilles Boschetti
INTRODUCTION: Pancreatic adenocarcinoma affects mainly older patients. Surgery is indicated for localized tumors while chemotherapy alone is proposed in advanced or metastatic tumors. OBJECTIVE: To evaluate the feasibility of standard of care oncologic treatments in this population, the accuracy of the geriatric evaluation to predict the ability of patients to tolerate the recommended treatments and to identify specific geriatric prognosis factors. METHODS: We included, between 2007 and 2014, all consecutive patients over 70 years of age with a pathologically diagnosed pancreatic cancer...
April 20, 2018: Journal of Geriatric Oncology
https://www.readbyqxmd.com/read/29685122/treatment-of-pancreatic-ductal-adenocarcinoma-with-tumor-antigen-specific-targeted-delivery-of-paclitaxel-loaded-plga-nanoparticles
#7
Shu-Ta Wu, Anthony J Fowler, Corey B Garmon, Adam B Fessler, Joshua D Ogle, Kajal R Grover, Bailey C Allen, Chandra D Williams, Ru Zhou, Mahboubeh Yazdanifar, Craig A Ogle, Pinku Mukherjee
BACKGROUND: Pancreatic ductal adenocarcinoma (PDA) remains the most aggressive cancers with a 5-year survival below 10%. Systemic delivery of chemotherapy drugs has severe side effects in patients with PDA and does not significantly improve overall survival rate. It is highly desirable to advance the therapeutic efficacy of chemotherapeutic drugs by targeting their delivery and increasing accumulation at the tumor site. MUC1 is a membrane-tethered glycoprotein that is aberrantly overexpressed in > 80% of PDA thus making it an attractive antigenic target...
April 23, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29684363/immunolabeling-of-cleared-human-pancreata-provides-insights-into-three-dimensional-pancreatic-anatomy-and-pathology
#8
Michaël Noë, Neda Rezaee, Kaushal Asrani, Michael Skaro, Vincent P Groot, Pei-Hsun Wu, Matthew T Olson, Seung-Mo Hong, Sung Joo Kim, Matthew J Weiss, Christopher L Wolfgang, Martin A Makary, Jin He, John L Cameron, Denis Wirtz, Nicholas J Roberts, G Johan A Offerhaus, Lodewijk A A Brosens, Laura D Wood, Ralph H Hruban
Visualizing pathologies in three dimensions (3D) can provide unique insights into the biology of human diseases. A rapid and easy-to-implement dibenzyl ether-based technique was used to clear thick sections of surgically resected human pancreatic parenchyma. Protocols were applicable to both fresh and formalin-fixed paraffin-embedded tissue. The penetration of antibodies into dense pancreatic parenchyma was optimized using both gradually increasing antibody concentrations and centrifugal flow. Immunolabeling with antibodies against CK19 was visualized using both light sheet and confocal laser scanning microscopy...
April 20, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29684357/genome-wide-somatic-copy-number-alterations-and-mutations-in-high-grade-pancreatic-intraepithelial-neoplasia
#9
Tatsuo Hata, Masaya Suenaga, Luigi Marchionni, Anne Macgregor-Das, Jun Yu, Koji Shindo, Koji Tamura, Ralph H Hruban, Michael Goggins
To obtain a better understanding of the genetic alterations of high-grade pancreatic intraepithelial neoplasia (HG-PanIN), we performed whole-genome copy number analysis using single nucleotide polymorphism microarrays and targeted next-generation sequencing of 11 microdissected HG-PanIN and two low-grade PanIN (LG-PanIN) lesions associated with HG-PanIN. HG-PanIN mutation profiles were compared to those of their associated invasive pancreatic ductal adenocarcinoma. All PanIN lesions harbored somatic KRAS mutations...
April 20, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29683978/antimicrobial-peptide-human-neutrophil-peptide-1-as-a-potential-link-between-chronic-inflammation-and-ductal-adenocarcinoma-of-the-pancreas
#10
Thomas Pausch, Sarah Adolph, Klaus Felix, Andrea S Bauer, Frank Bergmann, Jens Werner, Werner Hartwig
OBJECTIVES: Defensins are antimicrobial peptides playing a role in innate immunity, in epithelial cell regeneration, and in carcinogenesis of inflammation-triggered malignancies. We analyzed this role in pancreatic ductal adenocarcinoma (PDAC) in the context of its association with chronic pancreatitis (CP). METHODS: Human tissue of healthy pancreas, CP, and PDAC was screened for defensins by immunohistochemistry. Defensin α 1 (human neutrophil peptide 1 [HNP-1]) expression was validated using mass spectrometry and microarray analysis...
April 19, 2018: Pancreas
https://www.readbyqxmd.com/read/29683969/diagnostic-accuracy-of-preoperative-imaging-for-differentiation-of-branch-duct-versus-mixed-duct-intraductal-papillary-mucinous-neoplasms
#11
Emmanuel E Ugbarugba, Carmen Grieco, Phil A Hart, Feng Li, Brett Sklaw, Kevin Cronley, Veeral M Oza, Benjamin J Swanson, Jon P Walker, Samer El-Dika, Darwin L Conwell, Somashekar G Krishna
OBJECTIVE: The aim of this study is to determine the diagnostic accuracy of preoperative evaluation to detect main pancreatic duct involvement in pancreatic cystic lesions thus differentiating mixed intraductal papillary mucinous neoplasm (IPMN) from branch duct (BD)-IPMN. METHODS: The pathology database of pancreatic resections from 2000 to 2014 was reviewed. Main pancreatic duct-IPMNs and IPMNs with intracystic mass/nodules were excluded. The preoperative test characteristics were analyzed using surgical histopathology as the "gold standard...
April 19, 2018: Pancreas
https://www.readbyqxmd.com/read/29683142/diagnostic-intervals-and-pancreatic-ductal-adenocarcinoma-pdac-resectability-a-single-center-retrospective-analysis
#12
Amar B Deshwar, Elizabeth Sugar, Deirdre Torto, Ana De Jesus-Acosta, Matthew J Weiss, Christopher L Wolfgang, Dung Le, Jin He, Richard Burkhart, Lei Zheng, Daniel Laheru, Mark Yarchoan
Background: Pancreatic ductal adenocarcinoma (PDAC) often presents with nonspecific symptoms and the workup is not standardized. To study the impact of delays in diagnosis and in the initiation of treatment, we investigated the relationship between length of diagnostic intervals and surgical resectability. Methods: We performed a retrospective chart review of patients evaluated for PDAC at Johns Hopkins in 2014. Data were collected on the patient (date of first symptoms-first medical appointment), diagnostic (first medical appointment-diagnosis of PDAC), and treatment (diagnosis of PDAC-1st day of treatment) time intervals, and the upfront treatment received...
2018: Annals of pancreatic cancer
https://www.readbyqxmd.com/read/29682474/pancreaticoduodenectomy-minimizing-the-learning-curve
#13
Levan Tsamalaidze, John A Stauffer
Background: Pancreaticoduodenectomy outcomes improve as surgeon experience increases. We analyzed the outcomes of pancreaticoduodenectomy for any improvements over time to assess the learning curve. Methods: A retrospective study of patients undergoing consecutive pancreaticoduodenectomy by a single surgeon at the beginning of practice was performed. Operative factors and 90-day outcomes were examined and trends over the course of the 4-year time period were analyzed...
2018: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29682330/yes-associated-protein-yap-in-pancreatic-cancer-at-the-epicenter-of-a-targetable-signaling-network-associated-with-patient-survival
#14
Enrique Rozengurt, James Sinnett-Smith, Guido Eibl
Pancreatic ductal adenocarcinoma (PDAC) is generally a fatal disease with no efficacious treatment modalities. Elucidation of signaling mechanisms that will lead to the identification of novel targets for therapy and chemoprevention is urgently needed. Here, we review the role of Yes-associated protein (YAP) and WW-domain-containing Transcriptional co-Activator with a PDZ-binding motif (TAZ) in the development of PDAC. These oncogenic proteins are at the center of a signaling network that involves multiple upstream signals and downstream YAP-regulated genes...
2018: Signal Transduction and Targeted Therapy
https://www.readbyqxmd.com/read/29681791/a-rare-multifocal-pattern-of-type-2-autoimmune-pancreatitis-with-negative-igg4-a-potential-diagnostic-pitfall-that-may-mimic-multifocal-pancreatic-adenocarcinoma
#15
Partha Hota, Tejas Patel, Xiaofeng Zhao, Nirag Jhala, Omar Agosto
Autoimmune pancreatitis (AIP) is an increasingly recognized form of acute pancreatitis characterized by obstructive jaundice with a rapid and dramatic treatment response to steroid therapy. Recently, AIP has been divided into two distinct phenotypes: lymphoplasmocytic sclerosing pancreatitis AIP (type 1) and idiopathic duct-centric pancreatitis AIP (type 2); each of which have their own distinct demographics, diagnostic criteria, and histopathological features. We report, to the best of our knowledge, the first case of a multifocal pattern of type 2 AIP characterized with both CT and MR imaging...
January 2018: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29680448/the-role-of-intraoperative-radiotherapy-iort-in-the-management-of-patients-with-pancreatic-and-periampullary-cancer-a-single-center-experience
#16
Ayman Zaki Azzam, Ahmed Alqarni, Tarek Mahmoud Amin
BACKGROUND: In spite of the advances in modern surgery, the outcome for patients suffering from pancreatic adenocarcinoma or periampullary adenocarcinoma is still bad. Recently, introperative radiotherapy (IORT) was introduced into the multimodality management approach to improve both tumor control and patient' survival. AIM OF WORK: To evaluate our initial experience in combined surgical resection and IORT, and to evaluate the feasibility of the application of IORT and its effect on morbidity, mortality and local recurrence...
April 18, 2018: Journal of the Egyptian National Cancer Institute
https://www.readbyqxmd.com/read/29679211/surgery-after-folfirinox-treatment-for-locally-advanced-and-borderline-resectable-pancreatic-cancer-increase-in-tumour-attenuation-on-ct-correlates-with-r0-resection
#17
Giovanni Marchegiani, Valentina Todaro, Enrico Boninsegna, Riccardo Negrelli, Binit Sureka, Debora Bonamini, Roberto Salvia, Riccardo Manfredi, Roberto Pozzi Mucelli, Claudio Bassi
OBJECTIVES: To assess factors associated with radical resection (R0) of pancreatic ductal adenocarcinoma (PDAC) after induction treatment with FOLFIRINOX. METHODS: Patients with either locally advanced (LA) and borderline resectable (BR) PDAC undergoing surgical exploration after FOLFIRINOX were retrospectively enrolled. Two pancreatic radiologists reviewed the CT blinded to the final outcome and assessed chemotherapy response and resectability. Patients were then divided into R0 resected (group A) and not resected/R1 resected (group B), which were compared...
April 20, 2018: European Radiology
https://www.readbyqxmd.com/read/29676354/diagnostic-and-prognostic-impact-of-mucin-1-6-expression-in-non-small-cell-lung-cancer
#18
William Sterlacci, Michael Fiegl, Lothar Veits, Alexandar Tzankov
Background: The prognostic significance and clinico-pathological characterization of mucin (MUC) expression in non-small cell lung cancer (NSCLC) is controversial and little studied. Aims: This study aims at elucidating this issue on the largest and most detailed cohort so far. Settings and Design: We examined the expression of MUC 1, 2, 4, 5AC and 6 on 371, well documented, surgically resected NSCLC cases. Materials and Methods: Immunohistochemical results were correlated with several of our previously studied, relevant parameters on this cohort including a follow-up period of up to 20 years...
April 2018: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29675938/value-of-additional-endoscopic-ultrasonography-for-surveillance-after-surgical-removal-of-intraductal-papillary-mucinous-neoplasms
#19
Ken Kamata, Mamoru Takenaka, Kosuke Minaga, Shunsuke Omoto, Takeshi Miyata, Kentaro Yamao, Hajime Imai, Atsushi Nakai, Hidekazu Tanaka, Yasutaka Chiba, Tomohiro Watanabe, Toshiharu Sakurai, Naoshi Nishida, Takaaki Chikugo, Ippei Matsumoto, Yoshifumi Takeyama, Masayuki Kitano, Masatoshi Kudo
BACKGROUND AND AIMS: This study evaluated the utility of endoscopic ultrasonography (EUS), combined with contrast-enhanced harmonic EUS (CH-EUS), for surveillance of the remnant pancreas after surgery for intraductal papillary mucinous neoplasm (IPMN). METHODS: This was a single-center, retrospective, descriptive study. A total of 134 consecutive patients who underwent surgical resection for IPMN between April 2009 and March 2015 were evaluated. The rates of recurrence and development of IPMN-concomitant pancreatic ductal adenocarcinoma (PDAC) during follow-up were assessed...
April 19, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29675761/vitamin-d-supplementation-is-a-promising-therapy-for-pancreatic-ductal-adenocarcinoma-in-conjunction-with-current-chemoradiation-therapy
#20
Yosuke Mukai, Daisaku Yamada, Hidetoshi Eguchi, Yoshifumi Iwagami, Tadafumi Asaoka, Takehiro Noda, Koichi Kawamoto, Kunihito Gotoh, Shogo Kobayashi, Yutaka Takeda, Masahiro Tanemura, Masaki Mori, Yuichiro Doki
BACKGROUND: The cancer-associated fibroblasts (CAFs) in pancreatic ductal adenocarcinoma (PDAC) are well known to play a dominant role in distant metastasis. Nevertheless, the effect on CAFs with current chemoradiation therapies remains uncertain. OBJECTIVE: This study aimed to reveal the role of CAFs under current chemoradiation therapy (CRT) and investigate the factors regulating CAFs. METHODS: α-SMA-positive cells in 86 resected PDAC specimens with/without preoperative CRT were evaluated by immunohistochemistry...
April 19, 2018: Annals of Surgical Oncology
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