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Pancreatic cancer imaging

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https://www.readbyqxmd.com/read/29332510/localized-autoimmune-pancreatitis-mimicking-pancreatic-cancer-case-report-and-literature-review
#1
Wen-Ling Hsu, Shu-Min Chang, Pei-Yin Wu, Chin-Chuan Chang
Autoimmune pancreatitis (AP) is a rare autoimmune pancreatic manifestation of systemic immunoglobulin G4 (IgG4)-related sclerosing disease. Distinguishing between AP and pancreatic cancer is crucial because the clinical courses, treatments, and prognoses of these two disease entities are quite different. We herein report a case involving a 52-year-old man with subacute epigastralgia who visited our hospital for evaluation of a suspicious pancreatic mass found during esophagogastroduodenoscopy. Enhanced computed tomography (CT) revealed an enlarged lesion in the pancreatic head with encasement of hepatic vessels...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29331883/curative-distal-pancreatectomy-in-patients-with-acinar-cell-carcinoma-of-pancreas-diagnosed-by-endoscopic-aspiration-via-esophago-jejunostomy-a-successful-case-report
#2
Takeomi Hamada, Atsushi Nanashima, Masahide Hiyoshi, Makoto Ikenoue, Naoya Imamura, Koichi Yano, Yoshiro Fujii, Yoshimasa Kubota, Tesshin Ban, Hiroshi Kawakami, Yuichiro Sato
INTRODUCTION: This is a case report on the advances in preoperative endoscopic-guided fine-needle-aspiration (FNA) diagnosis for pancreatic carcinoma to achieve a curative operation even in patients who have a history of total gastrectomy. CASE PRESENTATION: A 65-year-old man, who underwent total gastrectomy for gastric cancer 13 years ago, had discomfort in the left lateral abdomen. A 3-cm hypovascular mass accompanying a large distal pseudocyst in the pancreatic tail was observed on computed tomography...
January 8, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29331400/locally-advanced-pancreas-cancer-staging-and-goals-of-therapy
#3
Nikolaos A Chatzizacharias, Susan Tsai, Michael Griffin, Parag Tolat, Paul Ritch, Ben George, Chad Barnes, Mohammed Aldakkak, Abdul H Khan, William Hall, Beth Erickson, Douglas B Evans, Kathleen K Christians
BACKGROUND: Patients with locally advanced pancreatic cancer have historically been considered inoperable. The purpose of this report was to determine resectability rates for patients with locally advanced pancreatic cancer based on our recently described definitions of type A and type B locally advanced pancreatic cancer. METHODS: An institutional prospective pancreas cancer database was queried for consecutive patients with locally advanced pancreatic cancer treated between January 2009 and June 2017...
January 10, 2018: Surgery
https://www.readbyqxmd.com/read/29330794/hypoxia-mediated-in-vivo-tumor-glucose-uptake-measurement-and-analysis
#4
Surendra K Shukla, Scott E Mulder, Pankaj K Singh
Most solid tumors are hypoxic in nature due to the limited supply of oxygen to internal tissues. Hypoxia plays an important role in metabolic adaptations of tumors that contribute significantly to cancer pathogenesis. Among the several metabolic alterations induced by hypoxia, hypoxia-mediated increased glucose uptake serves as the hallmark of metabolic reprogramming. Hypoxia-mediated stabilization of hypoxia-inducible factor-1 alpha (HIF-1α) transcription factor leads to altered expression of several glycolytic genes and glucose transporters, which results in increased glucose uptake by tumor cells...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29325740/indocyanine-green-loaded-hyaluronan-derived-nanoparticles-for-fluorescence-enhanced-surgical-imaging-of-pancreatic-cancer
#5
Bowen Qi, Ayrianne J Crawford, Nicholas E Wojtynek, Megan B Holmes, Joshua J Souchek, Graca Almeida-Porada, Quan P Ly, Samuel M Cohen, Michael A Hollingsworth, Aaron M Mohs
Pancreatic ductal adenocarcinoma is highly lethal and surgical resection is the only potential curative treatment for the disease. In this study, hyaluronic acid derived nanoparticles with physico-chemically entrapped indocyanine green, termed NanoICG, were utilized for intraoperative near infrared fluorescence detection of pancreatic cancer. NanoICG was not cytotoxic to healthy pancreatic epithelial cells and did not induce chemotaxis or phagocytosis, it accumulated significantly within the pancreas in an orthotopic pancreatic ductal adenocarcinoma model, and demonstrated contrast-enhancement for pancreatic lesions relative to non-diseased portions of the pancreas...
January 8, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29320323/multimodality-imaging-including-dual-energy-ct-in-the-evaluation-of-gallbladder-disease
#6
Lisa Ratanaprasatporn, Jennifer W Uyeda, Jeremy R Wortman, Ian Richardson, Aaron D Sodickson
Imaging of the gallbladder has a key role in the examination of patients with abdominal pain-especially pain localized to the right upper quadrant. Pathologic conditions that affect the gallbladder include cholelithiasis and associated complications such as acute and chronic cholecystitis, choledocholithiasis, gallstone pancreatitis, and cancer. Modalities used to image the gallbladder include ultrasonography (US), computed tomography (CT), magnetic resonance (MR) imaging, and nuclear scintigraphy. US is the primary imaging modality used to evaluate entities suspected of being gallbladder disease, as it is both sensitive and specific for demonstrating gallstones, biliary duct dilatation, and inflammatory features...
January 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29319916/1-0t-mr-guided-percutaneous-coaxial-cutting-needle-biopsy-in-pancreatic-lesion-diagnosis
#7
Chao Liu, Ligang Wang, Xiangmeng He, Yujun Xu, Dong Lu, Peipei Li, Rongbin Lv, Yong Feng, Ming Liu, Chengli Li
BACKGROUND: Pancreatic carcinoma is a common cause of cancer deaths worldwide. Biopsy is often required for the initial diagnosis of pancreatic masses. Biopsy can be performed endoscopically or percutaneously with computed tomography (CT) and ultrasound (US) guidance. MRI offers many inherent advantages over CT and US. PURPOSE/HYPOTHESIS: To prospectively evaluate the feasibility, accuracy, and safety of MRI-guided percutaneous coaxial cutting needle biopsy of pancreatic lesions using an open 1...
January 10, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29314858/panitumumab-modified-with-metal-chelating-polymers-mcp-complexed-to-111in-and-177lu-an-egfr-targeted-theranostic-for-pancreatic-cancer
#8
Sadaf Aghevlian, Yijie Lu, Mitchell A Winnik, David W Hedley, Raymond M Reilly
A metal-chelating polymer (MCP) with a polyglutamide (PGlu) backbone presenting on average 13 DOTA (tetraazacyclododecane-1,4,7,10-tetraacetic acid) chelators for complexing 111In or 177Lu and 10 polyethylene glycol (PEG) chains to minimize liver and spleen uptake was conjugated to anti-epidermal growth factor receptor (EGFR) monoclonal antibody (mAb), panitumumab. Since panitumumab-MCP may be dual-labeled with 111In and 177Lu for SPECT, or radioimmunotherapy (RIT) exploiting the Auger electrons or β-particle emissions, respectively, we propose that panitumumab-MCP could be a useful theranostic agent EGFR-positive PnCa...
January 9, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29301828/pancreatic-juice-mutation-concentrations-can-help-predict-the-grade-of-dysplasia-in-patients-undergoing-pancreatic-surveillance
#9
Masaya Suenaga, Jun Yu, Koji Shindo, Koji Tamura, Jose Alejandro N Almario, Christopher M Zaykoski, P Dane Witmer, Shah Fesharakizadeh, Michael Borges, Anne Marie Lennon, Eun J Shin, Marcia I Canto, Michael G Goggins
Purpose: The measurement of mutations in pancreatic juice samples collected from the duodenum during endoscopic ultrasound (EUS) may improve the diagnostic evaluation of patients undergoing pancreatic surveillance. Our aim was to evaluate the accuracy of using pancreatic juice mutation concentrations to predict the presence and histologic grade of neoplasia in the pancreas.Experimental Design: Digital next-generation sequencing (NGS) of pancreatic juice DNA using a targeted 12-gene panel was performed on 67 patients undergoing pancreatic evaluation during EUS including patients with pancreatic ductal adenocarcinoma, patients who subsequently underwent pancreatic resection for precursor lesions, patients undergoing surveillance for their familial/inherited susceptibility to pancreatic cancer, and normal pancreas disease controls...
January 4, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29298796/development-and-preclinical-validation-of-a-cysteine-knottin-peptide-targeting-integrin-%C3%AE-v%C3%AE-6-for-near-infrared-fluorescent-guided-surgery-in-pancreatic-cancer
#10
Willemieke Sfj Tummers, Richard H Kimura, Lotfi Abou-Elkacem, Alexander L Vahrmeijer, Rutger-Jan Swijnenburg, Juergen K Willmann, Sanjiv S Gambhir
PURPOSE: Intraoperative near-infrared fluorescence (NIRF) imaging could help stratification for the proper primary treatment for patients with pancreatic ductal adenocarcinoma (PDAC), and achieve complete resection since it allows visualization of cancer in real time. Integrin αvβ6, a target specific for PDAC, is present in >90% of patients, and is able to differentiate between pancreatitis and PDAC. A clinically translatable αvβ6-targeting NIRF agent was developed, based on a previously developed cysteine knottin peptide for PET imaging, R01-MG, and validated in preclinical mouse models...
January 3, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29290790/changes-in-the-microarchitecture-of-the-pancreatic-cancer-stroma-are-linked-to-neutrophil-dependent-reprogramming-of-stellate-cells-and-reflected-by-diffusion-weighted-magnetic-resonance-imaging
#11
Philipp Mayer, Christine Dinkic, Ralf Jesenofsky, Miriam Klauss, Peter Schirmacher, Ulrike Dapunt, Thilo Hackert, Florian Uhle, G Maria Hänsch, Matthias M Gaida
In pancreatic cancer (PDAC) intratumor infiltration of polymorphonuclear neutrophils (PMN) is associated with histologically apparent alterations of the tumor growth pattern. The aim of this study was to examine possible associations between PMN infiltration, tumor microarchitecture, and water diffusivity in diffusion-weighted magnetic resonance imaging (DW-MRI), and to further asses the underlying mechanisms. Methods: DW-MRI was performed in 33 PDAC patients prior to surgery. In parallel, tissue specimen were examined histologically for growth pattern, azurocidin-positive PMN infiltrates, and the presence of alpha-smooth muscle actin (α-SMA) and metalloproteinase 9 (MMP9)-positive myofibroblastic cells...
2018: Theranostics
https://www.readbyqxmd.com/read/29288237/genomics-driven-precision-medicine-for-advanced-pancreatic-cancer-early-results-from-the-compass-trial
#12
Kyaw Lwin Aung, Sandra E Fischer, Robert E Denroche, Gun-Ho Jang, Anna Dodd, Sean Creighton, Bernadette Southwood, Sheng-Ben Liang, Dianne Chadwick, Amy Zhang, Grainne M O'Kane, Hamzeh Adel Amin Albaba, Shari Moura, Robert C Grant, Jessica K Miller, Faridah Mbabaali, Danielle Pasternack, Ilinca M Lungu, John M S Bartlett, Sangeet Ghai, Mathieu Lemire, Spring Holter, Ashton A Connor, Richard A Moffitt, Jen Jen Yeh, Lee Timms, Paul M Krzyzanowski, Neesha C Dhani, David W Hedley, Faiyaz Notta, Julie M Wilson, Malcolm J Moore, Steven Gallinger, Jennifer J Knox
PURPOSE: To perform real time whole genome sequencing (WGS) and RNA sequencing (RNASeq) of advanced pancreatic ductal adenocarcinoma (PDAC) to identify predictive mutational and transcriptional features for better treatment selection.  Experimental Design: Patients with advanced PDAC were prospectively recruited prior to first-line combination chemotherapy. Fresh tumor tissue was acquired by image guided percutaneous core biopsy for WGS and RNASeq. Laser capture microdissection was performed for all cases...
December 29, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29285600/medical-oncology-and-pancreatic-cancer-what-the-radiologist-needs-to-know
#13
David R Fogelman, Gauri Varadhachary
The majority of PCs present as advanced disease, and treatment goals are for prolongation of life and palliation of the symptoms. Oncologists rely on our radiology colleagues to provide information on the extent of disease and the effectiveness of our treatment. The stakes rise in those patients where the disease has seemingly not spread and who might be treated with a goal of cure. For this subset of patients, medical oncologists and surgeons require as precise a radiologic description as possible in order to most accurately characterize the extent of the disease, in turn informing us as to the likelihood of a successful surgery and potential cure...
December 28, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29282391/multifocal-mass-lesions-in-autoimmune-pancreatitis
#14
Kazuhiro Suzumura, Etsuro Hatano, Naoki Uyama, Toshihiro Okada, Yasukane Asano, Seikan Hai, Keiji Nakasho, Jiro Fujimoto
A 59-year-old male patient with jaundice was referred to our hospital because of mass lesions in the pancreatic head and tail. An immunological examination revealed an elevated serum IgG4 level. Computed tomography showed two clear boundary mass lesions in the pancreatic head and tail. Magnetic resonance imaging showed that the mass lesions exhibited low intensity on T1-weighted images and iso-intensity on T2-weighted images. Magnetic resonance cholangiopancreatography showed an obstruction of the main pancreatic duct in the pancreatic head and tail...
September 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29282381/a-silent-asymptomatic-solid-pancreas-tumor-in-a-nonsmoking-athletic-female-pancreatic-ductal-adenocarcinoma
#15
Kyawzaw Lin, Aung Naing Lin, Sithu Lin, Thinzar Lin, Ying Xian Liu, Madhavi Reddy
A silent solid endocrine tumor of pancreas, intraductal adenocarcinoma of pancreas, is the fourth leading cancer-related death in the US. However, it is expected to become the third leading cause by 2030 owing to delayed diagnosis and slow progress in management. Chronic pancreatitis is at risk for pancreatic ductal adenocarcinoma (PDAC). PDAC is diagnostic with transabdominal sonogram, blood test such as carbohydrate antigen 19-9 (CA 19-9), and imaging. PDAC has a dismal prognosis. The survival rate in 5 years is barely 6%, while late detection rate is 80-85% with unresectable stage upon diagnosis...
September 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29278340/microwave-ablation-of-pancreatic-tumors
#16
Thomas J Vogl, Bita Panahi, Moritz H Albrecht, Nagy Naguib Naeem Naguib, Nour-Eldin A Nour-Eldin, Tatjana Gruber-Rouh, Zachary M Thompson, Lajos M Basten
OBJECTIVES: To evaluate the clinical performance of percutaneous microwave ablation (MWA) for treatment of locally-advanced-pancreatic-cancer (LAPC). MATERIAL AND METHODS: Twenty-two MWA sessions (August 2015-March 2017) in 20 patients with primary pancreatic cancer (13 men, 7 women, mean-age: 59.9 ± 8.6 years, range: 46-73 years), who had given informed consent, were retrospectively evaluated. All procedures were performed percutaneously under CT-guidance using the same high-frequency (2...
December 26, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/29277891/fluorescence-and-multispectral-optoacoustic-imaging-for-an-optimised-detection-of-deeply-located-tumours-in-an-orthotopic-mouse-model-of-pancreatic-carcinoma
#17
Joanna Napp, Marieke A Stammes, Jing Claussen, Hendrica A J M Prevoo, Cornelis F M Sier, Freek J M Hoeben, Marc S Robillard, Alexander L Vahrmeijer, Tim Devling, Alan B Chan, Lioe-Fee de Geus-Oei, Frauke Alves
A crucial point for the management of pancreatic ductal adenocarcinoma (PDAC) is the decrease of R1 resections. Our aim was to evaluate the combination of multispectral optoacoustic tomography (MSOT) with fluorescence guided surgery (FGS) for diagnosis and perioperative detection of tumour nodules and resection margins in a xenotransplant mouse model of human pancreatic cancer. The peptide cRGD, conjugated with the near infrared fluorescent (NIRF) dye IRDye800CW and with a trans-cyclooctene (TCO) tag for future click chemistry (cRGD-800CW-TCO), was applied to PDAC bearing immunodeficient nude mice...
December 26, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29274720/clinical-significance-of-defining-borderline-resectable-pancreatic-cancer
#18
REVIEW
Mee Joo Kang, Jin-Young Jang, Wooil Kwon, Sun-Whe Kim
Since the introduction of the concept of borderline resectable pancreatic cancer (BRPC), various definitions of this disease entity have been suggested. However, there are several obstacles in defining this disease category. The current diagnostic criteria of BRPC mainly focuses on its expanded 'technical resectability'; however, they are difficult to interpret because of their ambiguity using potential subjective or arbitrary terminology, In addition, limitations in current imaging technology and a lack of evidence in radiological-pathological-clinical correlation make it difficult to refine the criteria...
December 9, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/29258264/convenient-preparation-of-18f-labeled-peptide-probes-for-potential-claudin-4-pet-imaging
#19
Lucia Feni, M Aymen Omrane, Moritz Fischer, Boris D Zlatopolskiy, Bernd Neumaier, Ines Neundorf
Since pancreatic cancer is often diagnosed in a late state of cancer development, diagnostic opportunities allowing early disease detection are highly sought after. As such, cancer expression of claudin proteins is markedly dysregulated, making it an attractive target for molecular imaging like positron emission tomography (PET). Claudins are a family of transmembrane proteins that have a pivotal role as members of the tight junctions. In particular, claudin-3 and claudin-4 are frequently overexpressed in pancreatic cancer...
December 18, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/29249862/celiac-plexus-block-and-neurolysis-in-the-management-of-chronic-upper-abdominal-pain
#20
REVIEW
Joshua Cornman-Homonoff, Daniel J Holzwanger, Kyungmouk S Lee, David C Madoff, David Li
Chronic upper abdominal pain occurs as a complication of various malignant and benign diseases including pancreatic cancer and chronic pancreatitis, and when present may contribute to lower quality of life and higher mortality. Though various pain management strategies are available as part of a multimodal approach, they are often incompletely effective and accompanied by side effects. Pain originating in upper abdominal viscera is transmitted through the celiac plexus, which is an autonomic plexus located in the retroperitoneum at the root of the celiac trunk...
December 2017: Seminars in Interventional Radiology
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