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pancreas cancer metastatic

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https://www.readbyqxmd.com/read/28098572/metastatic-organotropism-an-intrinsic-property-of-breast-cancer-molecular-subtypes
#1
Shi Wei, Gene P Siegal
It has long been known that some cancers have the propensity to metastasize to certain organs thus creating a nonrandom distribution of sites for distant relapse, a phenomenon known as "metastatic organotropism." Some of these examples include ovary primary to abdominal cavity, prostate primary to bone, and pancreas primary to liver. In contrast, other tumor types, such as mammary and renal cell carcinoma, can relapse in multiple organs although approximately half of advanced breast cancers metastasize to bone...
January 16, 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28078110/radioembolization-with-90-y-glass-microspheres-for-the-treatment-of-unresectable-metastatic-liver-disease-from-chemotherapy-refractory-gastrointestinal-cancers-final-report-of-a-prospective-pilot-study
#2
Nicholas Fidelman, Robert K Kerlan, Randall A Hawkins, Miguel Pampaloni, Andrew G Taylor, Maureen P Kohi, K Pallav Kolli, Chloe E Atreya, Emily K Bergsland, R Kate Kelley, Andrew H Ko, W Michael Korn, Katherine Van Loon, Ryan M McWhirter, Jennifer Luan, Curt Johanson, Alan P Venook
BACKGROUND: This prospective pilot single-institution study was undertaken to document the feasibility, safety, and efficacy of radioembolization of liver-dominant metastatic gastrointestinal cancer using (90)Y glass microspheres. METHODS: Between June 2010 and October 2013, 42 adult patients (26 men, 16 women; median age 60 years) with metastatic chemotherapy-refractory unresectable colorectal (n=21), neuroendocrine (n=11), intrahepatic bile duct (n=7), pancreas (n=2), and esophageal (n=1) carcinomas underwent 60 lobar or segmental administrations of (90)Y glass microspheres...
December 2016: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28068959/pancreatic-neuroendocrine-tumor-with-metastasis-to-the-spleen-a-case-report
#3
Yasunaru Sakuma, Yoshikazu Yasuda, Naohiro Sata, Yoshinori Hosoya, Atsushi Shimizu, Hirofumi Fujii, Daisuke Matsubara, Noriyuki Fukushima, Atsushi Miki, Misato Maeno, Alan Kawarai Lefor
BACKGROUND: Long-term term survival in patients with pancreatic neuroendocrine tumors has been reported, even in patients with metastatic disease. Metastases to the spleen are extremely rare, but have been reported from a number of primary malignancies, such as breast cancer, lung cancer, melanoma and ovarian cancer. This is the first report of a splenic metastasis from a primary pancreatic neuroendocrine tumor. CASE PRESENTATION: The patient presented as a 53 years old white male with anemia and fatigue...
January 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28054945/somatic-genetic-variation-in-solid-pseudopapillary-tumor-of-the-pancreas-by-whole-exome-sequencing
#4
Meng Guo, Guopei Luo, Kaizhou Jin, Jiang Long, He Cheng, Yu Lu, Zhengshi Wang, Chao Yang, Jin Xu, Quanxing Ni, Xianjun Yu, Chen Liu
Solid pseudopapillary tumor of the pancreas (SPT) is a rare pancreatic disease with a unique clinical manifestation. Although CTNNB1 gene mutations had been universally reported, genetic variation profiles of SPT are largely unidentified. We conducted whole exome sequencing in nine SPT patients to probe the SPT-specific insertions and deletions (indels) and single nucleotide polymorphisms (SNPs). In total, 54 SNPs and 41 indels of prominent variations were demonstrated through parallel exome sequencing. We detected that CTNNB1 mutations presented throughout all patients studied (100%), and a higher count of SNPs was particularly detected in patients with older age, larger tumor, and metastatic disease...
January 3, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28044263/five-fraction-stereotactic-body-radiation-therapy-sbrt-and-chemotherapy-for-the-local-management-of-metastatic-pancreatic-cancer
#5
Jonathan W Lischalk, Aidan Burke, Jessica Chew, Christen Elledge, Marie Gurka, John Marshall, Michael Pishvaian, Sean Collins, Keith Unger
BACKGROUND: The majority of patients with pancreatic cancer are diagnosed with metastatic disease at presentation. Nevertheless, local progression is responsible for up to 30% of deaths and can lead to significant morbidity. As a consequence, further exploration of effective methods of local control and palliation is essential. Stereotactic body radiation therapy (SBRT) is a widely utilized technique for the treatment of localized pancreatic cancer. Here, we report our experience with SBRT and chemotherapy for the local treatment of the metastatic patient population...
January 3, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/28032597/elevation-of-%C3%AE-galactoside-%C3%AE-2-6-sialyltransferase-1-in-a-fructoseresponsive-manner-promotes-pancreatic-cancer-metastasis
#6
Chi-Che Hsieh, Yi-Ming Shyr, Wen-Ying Liao, Tien-Hua Chen, Shin-E Wang, Peir-Chuen Lu, Pei-Yu Lin, Yan-Bo Chen, Wan-Yu Mao, Hsin-Ying Han, Michael Hsiao, Wen-Bin Yang, Wen-Shan Li, Yuh-Pyng Sher, Chia-Ning Shen
Pancreatic ductal adenocarcinoma (PDAC) is an aggressive type of pancreatic cancer with clinical characteristics of local invasion and early metastasis. Recent cohort studies indicate high fructose intake is associated with an increase in pancreatic cancer risk. However, the mechanisms by which fructose promotes pancreatic tumorigenesis remain unclear. Herein, Kras+/LSLG12D mice were crossed with Elas-CreER transgenic mice to determine whether fructose intake directly contributes to tumor formation. Orthotopic tumor-xenograft experiments were performed to determine whether fructose substitution enhances the metastatic potential of PDAC cells...
December 9, 2016: Oncotarget
https://www.readbyqxmd.com/read/28008139/identifying-the-clonal-origin-of-synchronous-multifocal-tumors-in-the-hepatobiliary-and-pancreatic-system-using-multi-omic-platforms
#7
Weiqin Jiang, Yongfeng Ding, Yifei Shen, Longjiang Fan, Linfu Zhou, Zhi Li, Yi Zheng, Peng Zhao, Lulu Liu, Zhou Tong, Weijia Fang, Weilin Wang
Synchronous multifocal tumors often pose a diagnostic challenge for oncologists. The purpose of this study was to determine the clonal origin and metastatic relationship of synchronous multifocal tumors in the hepatobiliary and pancreatic system using multi-omic platforms. DNA samples were extracted from three masses harvested from a 50-year-old Han Chinese male patient who suffered from synchronous multifocal tumors in the pancreatic tail, upper biliary duct, and omentum at the time of diagnosis. The clonal origin of these samples was tested using two platforms: next-generation sequencing (NGS) of 390 key genes harboring cancer-relevant actionable mutations and whole-genome copy number variation (CNV) chip analysis...
December 19, 2016: Oncotarget
https://www.readbyqxmd.com/read/27919186/economic-evaluation-for-the-us-of-nab-paclitaxel-plus-gemcitabine-versus-folfirinox-versus-gemcitabine-in-the-treatment-of-metastatic-pancreas-cancer
#8
Mahdi Gharaibeh, Ali McBride, J Lyle Bootman, Hitendra Patel, Ivo Abraham
BACKGROUND: Nab-paclitaxel plus gemcitabine (NAB-P + GEM) and FOLFIRINOX have shown superior efficacy over gemcitabine (GEM) in the treatment of metastatic pancreatic ductal adenocarcinoma (mPDA). Although the incremental clinical benefits are modest, both treatments represent significant advances in the treatment of a high-mortality cancer. In this independent economic evaluation for the US, the aim was to estimate the comparative cost-utility and cost-effectiveness of these three regimens from the payer perspective...
December 21, 2016: Journal of Medical Economics
https://www.readbyqxmd.com/read/27906105/pancreatic-metastases-from-ocular-malignant-melanoma-the-use-of-endoscopic-ultrasound-guided-fine-needle-aspiration-to-establish-a-definitive-cytologic-diagnosis-a-case-report
#9
Diogo Turiani Hourneaux De Moura, Danielle Azevedo Chacon, Ryan Tanigawa, Martin Coronel, Spencer Cheng, Éverson L A Artifon, José Jukemura, Eduardo Guimarães Hourneaux De Moura
BACKGROUND: When encountering solid pancreatic lesions, nonpancreatic primary metastases are rare and differentiating a metastasis from a primary neoplastic lesion is challenging. The clinical presentation and radiologic features can be similar and the possibility of a pancreatic metastasis should be considered when the patient refers to a history of a different primary cancer. Endoscopic ultrasound offers a key anatomical advantage in accessing the pancreas and endoscopic ultrasound-guided fine-needle aspiration has become the gold standard method for diagnosing pancreatic lesions...
December 1, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27895409/two-cases-of-pancreatic-ductal-adenocarcinoma-with-intrapancreatic-metastasis
#10
Yusuke Fujita, Minoru Kitago, Yohei Masugi, Osamu Itano, Masahiro Shinoda, Yuta Abe, Taizo Hibi, Hiroshi Yagi, Yoko Fujii-Nishimura, Michiie Sakamoto, Yuko Kitagawa
There are no standardized diagnostic criteria for intrapancreatic metastasis of pancreatic ductal adenocarcinoma (PDAC). Here, we report two cases of patients with PDAC who were pathologically diagnosed as harboring intrapancreatic metastasis. In both cases, the main lesions were located in the pancreatic body, and no other lesion was detected preoperatively. The patients were diagnosed with pancreatic body cancers and distal pancreatectomy was performed. Pathological findings revealed microscopic cancer nests, which had connections to neither the main lesion nor the premalignant lesion in the pancreatic tail parenchyma...
November 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27857025/efficacy-of-chemotherapy-in-patients-with-unresectable-or-metastatic-pancreatic-acinar-cell-carcinoma-potentially-improved-efficacy-with-oxaliplatin-containing-regimen
#11
Changhoon Yoo, Bum Jun Kim, Kyu-Pyo Kim, Jae-Lyun Lee, Tae Won Kim, Baek-Yeol Ryoo, Heung-Moon Chang
Purpose: Pancreatic acinar cell carcinoma (ACC) is a rare cancer of the exocrine pancreas. Because of its rare incidence, the efficacy of chemotherapy in this patient population has been largely unknown. Therefore, we retrospectively analyzed the outcomes of patients with advanced pancreatic ACC who received chemotherapy. Materials and Methods: Between January 1997 and March 2015, 15 patients with unresectable or metastatic pancreatic ACC who received systemic chemotherapy were identified in Asan Medical Center, Korea...
November 9, 2016: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/27853997/a-phase-i-trial-investigating-pulsatile-erlotinib-in-combination-with-gemcitabine-and-oxaliplatin-in-advanced-biliary-tract-cancers
#12
Laura W Goff, Dana B Cardin, Jennifer G Whisenant, Liping Du, Tatsuki Koyama, Kimberly B Dahlman, Safia N Salaria, Ruth T Young, Kristen K Ciombor, Jill Gilbert, Stephen James Smith, Emily Chan, Jordan Berlin
Advanced biliary tract cancers (ABTC) are among the deadliest malignancies with limited treatment options after progression on standard-of-care chemotherapy, which includes gemcitabine (GEM) and oxaliplatin (OX). The epidermal growth factor receptor inhibitor erlotinib has been explored in ABTC with modest efficacy. Erlotinib given continuously may antagonize the action of chemotherapy against cycling tumor cells, but pulsatile dosing of erlotinib with chemotherapy may improve efficacy. The purpose of this study was to assess the safety of pulsatile erlotinib with GEMOX...
November 16, 2016: Investigational New Drugs
https://www.readbyqxmd.com/read/27831507/surgical-management-of-complex-residual-masses-following-systemic-chemotherapy-for-metastatic-testicular-germ-cell-tumours
#13
A Heidenreich, F Haidl, P Paffenholz, Ch Pape, U Neumann, D Pfister
BACKGROUND: Post-chemotherapy retroperitoneal lymphadenectomy (PC-RPLND) represents the treatment of choice in patients with residual masses following chemotherapy for metastatic germ cell tumours. Involvement of major retroperitoneal vessels or thoracic/lumbar spine is rare and challenging but needs complete resection for curative intent. We report on our experience in the management of such complex cases. PATIENTS AND METHODS: A total of 185 patients underwent PC-RPLND and we identified 25 (13...
November 9, 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/27820870/inoculated-cell-density-as-a-determinant-factor-of-the-growth-dynamics-and-metastatic-efficiency-of-a-breast-cancer-murine-model
#14
Ana C Gregório, Nuno A Fonseca, Vera Moura, Manuela Lacerda, Paulo Figueiredo, Sérgio Simões, Sérgio Dias, João Nuno Moreira
4T1 metastatic breast cancer model have been widely used to study stage IV human breast cancer. However, the frequent inoculation of a large number of cells, gives rise to fast growing tumors, as well as to a surprisingly low metastatic take rate. The present work aimed at establishing the conditions enabling high metastatic take rate of the triple-negative murine 4T1 syngeneic breast cancer model. An 87% 4T1 tumor incidence was observed when as few as 500 cancer cells were implanted. 4T1 cancer cells colonized primarily the lungs with 100% efficiency, and distant lesions were also commonly identified in the mesentery and pancreas...
2016: PloS One
https://www.readbyqxmd.com/read/27780664/vascular-enhancement-pattern-of-mass-in-computed-tomography-may-predict-chemo-responsiveness-in-advanced-pancreatic-cancer
#15
Shin Il Kim, Jun Young Shin, Jin-Seok Park, Seok Jeong, Yong Sun Jeon, Moon Han Choi, Hyun Jong Choi, Jong Ho Moon, Jae Chul Hwang, Min Jae Yang, Byoung Moo Yoo, Jin Hong Kim, Hyun Woo Lee, Chang-Il Kwon, Don Haeng Lee
INTRODUCTION: Chemo-responsiveness in pancreatic cancer is known to be dependent on fibrosis and vascularity. The purpose of this study was to assess vascular enhancement in advanced pancreatic adenocarcinoma with or without liver metastasis in computed tomography (CT) and to analyze the correlation between enhancement patterns and chemo-responsiveness. METHODS: Patients were assigned to either a responder group (partial response or stable disease) or a non-responder group (progressive disease) according to chemo-responsiveness assessed by CT before and after gemcitabine-based chemotherapy...
October 19, 2016: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/27770346/long-term-outcomes-of-98-surgically-resected-metastatic-tumors-in-the-pancreas
#16
Shin-Rong Lee, Georgios Gemenetzis, Michol Cooper, Ammar A Javed, John L Cameron, Christopher L Wolfgang, Frederick E Eckhauser, Jin He, Matthew J Weiss
PURPOSE: The goal of this study was to assess the outcomes and characteristics of patients who underwent pancreatectomy for metastatic disease to the pancreas. METHODS: Patients who underwent surgical resection of metastatic disease to the pancreas from 1988 to 2016 were identified using a prospectively maintained database. Data on clinicopathological features and outcomes of these patients were analyzed. Cox proportional hazard models were employed to identify patient-specific risk factors that influence survival...
October 21, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27765857/assessment-of-tryptophan-uptake-and-kinetics-using-1-2-18f-fluoroethyl-l-tryptophan-and-%C3%AE-11c-methyl-l-tryptophan-pet-imaging-in-mice-implanted-with-patient-derived-brain-tumor-xenografts
#17
Sharon K Michelhaugh, Otto Muzik, Anthony R Guastella, Neil V Klinger, Lisa A Polin, Hancheng Cai, Yanchun Xin, Thomas J Mangner, Shaohui Zhang, Csaba Juhasz, Sandeep Mittal
: Abnormal tryptophan metabolism via the kynurenine pathway (KP) is involved in the pathophysiology of a variety of human diseases including cancers. α-[(11)C]-methyl-L-tryptophan ((11)C-AMT) positron emission tomography (PET) imaging demonstrated increased tryptophan uptake and trapping in epileptic foci and brain tumors, but the short half-life of (11)C limits its widespread clinical application. Recent in vitro studies suggested that the novel radiotracer 1-(2-[(18)F]fluoroethyl)-L-tryptophan ((18)F-FETrp) may be useful to assess tryptophan metabolism via the KP...
October 20, 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/27708512/genetic-factors-affecting-patient-responses-to-pancreatic-cancer-treatment
#18
REVIEW
George Fotopoulos, Konstantinos Syrigos, Muhammad Wasif Saif
Cancer of the exocrine pancreas is a malignancy with a high lethal rate. Surgical resection is the only possible curative mode of treatment. Metastatic pancreatic cancer is incurable with modest results from the current treatment options. New genomic information could prove treatment efficacy. An independent review of PubMed and ScienceDirect databases was performed up to March 2016, using combinations of terms such pancreatic exocrine cancer, chemotherapy, genomic profile, pancreatic cancer pharmacogenomics, genomics, molecular pancreatic pathogenesis, and targeted therapy...
October 2016: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/27685334/fluorescent-orthotopic-mouse-model-of-pancreatic-cancer
#19
Jonathan A Moreno, Antonio Sanchez, Robert M Hoffman, Saima Nur, Maria P Lambros
Pancreatic cancer remains one of the cancers for which survival has not improved substantially in the last few decades. Only 7% of diagnosed patients will survive longer than five years. In order to understand and mimic the microenvironment of pancreatic tumors, we utilized a murine orthotopic model of pancreatic cancer that allows non-invasive imaging of tumor progression in real time. Pancreatic cancer cells expressing green fluorescent protein (PANC-1 GFP) were suspended in basement membrane matrix, high concentration, (e...
2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27661665/pancreatic-resection-for-renal-cell-carcinoma-metastasis-an-exceptionally-rare-coexistence
#20
Stergios Boussios, Ioannis Zerdes, Ourania Batsi, Vasilios P Papakostas, Esmeralda Seraj, George Pentheroudakis, George K Glantzounis
INTRODUCTION: Pancreatic metastases are uncommon and only found in a minority of patients with widespread metastatic disease at autopsy. The most common primary cancer site resulting in pancreatic metastases is the kidney, followed by colorectal cancer, melanoma, breast cancer, lung carcinoma and sarcoma. PRESENTATION OF CASE: Herein, we report a 63-year-old male patient who presented -3.5 years after radical nephrectomy performed for renal cell carcinoma (RCC)-with a well-defined lobular, round mass at the body of the pancreas demonstrated by abdominal Magnetic Resonance Imaging (MRI)...
2016: International Journal of Surgery Case Reports
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