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https://www.readbyqxmd.com/read/28087967/periampullary-carcinoma-with-penile-metastasis
#1
W C Pui, N A Nik Azim
Periampullary carcinoma metastases are usually located at regional nodes, adjacent organs, liver or lung. On the other hand, metastatic penile cancer is uncommon. Penile metastasis usually originates from pelvic region with prostate and bladder being the most frequent primary location. We present a very rare case of periampullary carcinoma with penile metastasis in a 49-year-old man. He initially presented with early ampullary type periampullary carcinoma and had pyloric preserving pancreatoduodenectomy and adjuvant chemotherapy...
December 2016: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28077929/hnrnpa2b1-regulates-the-epithelial-mesenchymal-transition-in-pancreatic-cancer-cells-through-the-erk-snail-signalling-pathway
#2
Shengjie Dai, Jie Zhang, Shihao Huang, Bin Lou, Binbo Fang, Tingting Ye, Xince Huang, Bicheng Chen, Mengtao Zhou
BACKGROUND: Heterogeneous nuclear ribonucleoprotein A2B1 (HNRNPA2B1) is closely related to tumour occurrence and development, oncogene expression, apoptosis inhibition and invasion and metastasis capacities. However, its function in the epithelial-mesenchymal transition (EMT) of pancreatic cancer is not fully understood. METHODS: By comparing various wild-type pancreatic cancer cell lines, we determined which have a higher expression level of HNRNPA2B1 accompanied by the higher expression of N-cadherin and vimentin and lower expression of E-cadherin...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28077438/fibroblast-drug-scavenging-increases-intratumoural-gemcitabine-accumulation-in-murine-pancreas-cancer
#3
E Hessmann, M S Patzak, L Klein, N Chen, V Kari, I Ramu, T E Bapiro, K K Frese, A Gopinathan, F M Richards, D I Jodrell, C Verbeke, X Li, R Heuchel, J M Löhr, S A Johnsen, T M Gress, V Ellenrieder, A Neesse
OBJECTIVE: Desmoplasia and hypovascularity are thought to impede drug delivery in pancreatic ductal adenocarcinoma (PDAC). However, stromal depletion approaches have failed to show clinical responses in patients. Here, we aimed to revisit the role of the tumour microenvironment as a physical barrier for gemcitabine delivery. DESIGN: Gemcitabine metabolites were analysed in LSL-Kras(G12D/+); LSL-Trp53(R172H/+); Pdx-1-Cre (KPC) murine tumours and matched liver metastases, primary tumour cell lines, cancer-associated fibroblasts (CAFs) and pancreatic stellate cells (PSCs) by liquid chromatography-mass spectrometry/mass spectrometry...
January 10, 2017: Gut
https://www.readbyqxmd.com/read/28073890/pancreatic-cancer-cell-lines-as-patient-derived-avatars-genetic-characterisation-and-functional-utility
#4
Erik S Knudsen, Uthra Balaji, Brian Mannakee, Paris Vail, Cody Eslinger, Christopher Moxom, John Mansour, Agnieszka K Witkiewicz
OBJECTIVE: Pancreatic ductal adenocarcinoma (PDAC) is a therapy recalcitrant disease with the worst survival rate of common solid tumours. Preclinical models that accurately reflect the genetic and biological diversity of PDAC will be important for delineating features of tumour biology and therapeutic vulnerabilities. DESIGN: 27 primary PDAC tumours were employed for genetic analysis and development of tumour models. Tumour tissue was used for derivation of xenografts and cell lines...
January 10, 2017: Gut
https://www.readbyqxmd.com/read/28062742/emphysematous-cholecystitis-in-a-patient-with-metastatic-pancreatic-neuroendocrine-tumour
#5
M Khan, M Little, G Campbell, H-U Laasch, T Cooksley
No abstract text is available yet for this article.
January 5, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28031857/giant-mature-teratoma-in-the-mediastinum-presenting-with-rapid-growth
#6
Kohei Fujita, Kazuki Hayashi, Makoto Motoishi, Satoru Sawai, Tsuyoshi Terashima, Tadashi Mio
Teratomas are primary germ-cell tumours in the mediastinum. Although they are generally slow-growing and asymptomatic, rapid growth causing life-threatening complications can occur. Sebaceous secretion, insulin production, chorionic gonadotropin secretion and pancreatic enzyme secretion are the presumptive causes of tumour progression. Only few cases of rapidly growing teratomas have been reported previously. Here, we present a case of a giant mature teratoma in the mediastinum that presented with rapid growth and compare the characteristics of this case with those of previous cases...
December 2016: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28028304/zollinger-ellison-syndrome-an-unusual-case-of-chronic-diarrhoea-in-a-child
#7
R Goyal, U Debi, P Dey, K K Prasad, B R Thapa
Most cases of Zollinger-Ellison syndrome (ZES) are described in adults. It is a rare disorder in childhood. Most cases present with abdominal pain due to peptic ulceration and chronic diarrhoea not responding to general measures. The symptom complex is initially confused with other more common diseases, which lead to a delay in diagnosis. We present a rare case of a-12-year boy who initially presented with abdominal pain, diarrhoea, vomiting and progressive weight loss for over a two-year period before he was finally diagnosed as a case of ZES with the primary tumour in the pancreatic head and with multiple metastasis in both the liver and lymph nodes...
December 2016: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/28028124/characterising-gemcitabine-effects-administered-as-single-agent-or-combined-with-carboplatin-in-mice-pancreatic-and-ovarian-cancer-xenografts-a-semi-mechanistic-pharmacokinetic-pharmacodynamics-tumour-growth-response-model
#8
Maria Garcia-Cremades, Celine Pitou, Philip W Iversen, Inaki F Troconiz
In this work, a semi-mechanistic tumour growth response model for gemcitabine in pancreatic (administered as single agent) and ovarian (given as single agent and in combination with carboplatin) cancer in mice was developed. Tumour profiles were obtained from nude mice, previously inoculated with KP4, ASPC1, MIA PACA2, PANC1 (pancreas), A2780 or SKOV3xluc (ovarian) cell lines, and then treated with different dosing schedules of gemcitabine and/or carboplatin. Data were fitted using the population approach with NONMEM 7...
December 27, 2016: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28027897/relevance-of-dihydropyrimidine-dehydrogenase-and-thymidylate-synthase-in-patients-with-pancreatic-neuroendocrine-neoplasms-treated-with-5-fu-based-chemotherapy
#9
S Krug, M Boch, W Nimphius, T M Gress, P Michl, A Rinke
BACKGROUND: Chemotherapy with 5-FU and Streptozotocin (STZ) is recommended as first-line treatment in patients with metastatic pancreatic neuroendocrine neoplasms (PNEN). However, data about biomarkers involved in the 5-FU metabolism to predict response are still limited. OBJECTIVES: Evaluation of clinicopathological features and potential predictive and prognostic markers of patients with PNEN treated with 5-FU based regimens. PATIENTS AND METHODS: We retrospectively analyzed 41 patients with PNEN who were treated at the University Hospital Marburg between 2000 and 2013...
December 22, 2016: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28024266/the-risk-of-being-depressed-is-significantly-higher-in-cancer-patients-than-in-the-general-population-prevalence-and-severity-of-depressive-symptoms-across-major-cancer-types
#10
T J Hartung, E Brähler, H Faller, M Härter, A Hinz, C Johansen, M Keller, U Koch, H Schulz, J Weis, A Mehnert
BACKGROUND: Depression is a common co-morbidity of cancer that has a detrimental effect on quality of life, treatment adherence and potentially survival. We conducted an epidemiological multi-center study including a population-based random comparison sample and estimated the prevalence of depressive symptoms by cancer site, thereby identifying cancer patients with the highest prevalence of depression. PATIENTS AND METHODS: We included 4020 adult cancer inpatients and outpatients from five distinct regions across Germany in a proportional stratified random sample based on the nationwide cancer incidence and a comparison group consisting of 5018 participants...
December 23, 2016: European Journal of Cancer
https://www.readbyqxmd.com/read/28013349/pharmacology-and-toxicology-of-the-novel-investigational-agent-cantrixil-trx-e-002-1
#11
REVIEW
Muhammad Wasif Saif, Andrew Heaton, Kimberley Lilischkis, James Garner, David M Brown
PURPOSE: Recurrent, chemo-resistant ovarian cancer is thought to be due to a subgroup of slow-growing, drug-resistant cancer cells with stem-like properties and a high capacity for tumour repair. Cantrixil targets this sub-population of cells and is being developed as an intraperitoneal therapy to be used as first-line therapy in combination with carboplatin for epithelial ovarian cancer. The studies presented here justify further development. METHODS: A GLP dog CV study using a 4 × 4 Latin Square Crossover study was conducted using telemetric ECG recordings from dogs post IP administration to assess for cardiac abnormalities...
December 24, 2016: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28008773/radiotherapy-response-evaluation-using-fdg-pet-ct-established-and-emerging-applications
#12
Helen Cliffe, Chirag Patel, Robin Prestwich, Andrew Scarsbrook
Radiation therapy is a common component of curative cancer treatment. However, there is a significant incidence of treatment failure. In these cases salvage surgical options are sometimes appropriate. Accurate assessment of response and early recognition of treatment success or failure is therefore critical to guide treatment decisions and impacts on survival and the morbidity of treatment. Traditionally, treatment response has depended upon anatomical measurement of disease. However, this may not correlate well with the presence of disease, especially after radiotherapy...
December 23, 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/27999198/tumour-derived-exosomes-as-a-signature-of-pancreatic-cancer-liquid-biopsies-as-indicators-of-tumour-progression
#13
REVIEW
Zarin Nuzhat, Vyjayanthi Kinhal, Shayna Sharma, Gregory E Rice, Virendra Joshi, Carlos Salomon
Pancreatic cancer is the fourth most common cause of death due to cancer in the world. It is known to have a poor prognosis, mostly because early stages of the disease are generally asymptomatic. Progress in pancreatic cancer research has been slow, leaving several fundamental questions pertaining to diagnosis and treatment unanswered. Recent studies highlight the putative utility of tissue-specific vesicles (i.e. extracellular vesicles) in the diagnosis of disease onset and treatment monitoring in pancreatic cancer...
December 16, 2016: Oncotarget
https://www.readbyqxmd.com/read/27993569/a-genome-based-model-for-adjusting-radiotherapy-dose-gard-a-retrospective-cohort-based-study
#14
Jacob G Scott, Anders Berglund, Michael J Schell, Ivaylo Mihaylov, William J Fulp, Binglin Yue, Eric Welsh, Jimmy J Caudell, Kamran Ahmed, Tobin S Strom, Eric Mellon, Puja Venkat, Peter Johnstone, John Foekens, Jae Lee, Eduardo Moros, William S Dalton, Steven A Eschrich, Howard McLeod, Louis B Harrison, Javier F Torres-Roca
BACKGROUND: Despite its common use in cancer treatment, radiotherapy has not yet entered the era of precision medicine, and there have been no approaches to adjust dose based on biological differences between or within tumours. We aimed to assess whether a patient-specific molecular signature of radiation sensitivity could be used to identify the optimum radiotherapy dose. METHODS: We used the gene-expression-based radiation-sensitivity index and the linear quadratic model to derive the genomic-adjusted radiation dose (GARD)...
December 18, 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27980052/clinicopathological-significance-of-necl-4-expression-in-pancreatic-ductal-adenocarcinoma
#15
Aya Kawanishi, Kenichi Hirabayashi, Misuzu Yamada, Yumi Takanashi, Atsuko Hadano, Yoshiaki Kawaguchi, Toshio Nakagohri, Naoya Nakamura, Tetsuya Mine
AIMS: The loss, or decreased expression, of nectin-like molecule 4 (Necl-4; an immunoglobulin-like cell adhesion molecule) is reported to be associated with the development and progression of certain types of cancer. We investigated the clinicopathological significance of Necl-4 expression in patients with pancreatic ductal adenocarcinoma (PDAC). METHODS: Immunohistochemical analyses of Necl-4 (n=258) and E-cadherin (n=256) expression were performed using tissue microarray blocks of PDAC samples...
December 15, 2016: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/27978850/ct-perfusion-measurements-in-pancreatic-carcinoma-with-different-kinetic-models-is-there-a-chance-for-tumour-grading-based-on-functional-parameters
#16
Sven Schneeweiß, Marius Horger, Anja Grözinger, Konstantin Nikolaou, Dominik Ketelsen, Roland Syha, Gerd Grözinger
BACKGROUND: To evaluate the interchangeability of perfusion parameters obtained with help of models used for post-processing of perfusion-CT images in pancreatic adenocarcinoma and to determine the mean values and ranges of perfusion in different tumour gradings. METHODS: Perfusion-CT imaging was performed prospectively in 48 consecutive patients with pancreatic adenocarcinoma. In 42 patients biopsy-proven tumor grading was available (4 × G1/24 × G2/14 × G3/6× unknown)...
December 15, 2016: Cancer Imaging: the Official Publication of the International Cancer Imaging Society
https://www.readbyqxmd.com/read/27974798/mechanism-of-early-dissemination-and-metastasis-in-her2-mammary-cancer
#17
Kathryn L Harper, Maria Soledad Sosa, David Entenberg, Hedayatollah Hosseini, Julie F Cheung, Rita Nobre, Alvaro Avivar-Valderas, Chandandaneep Nagi, Nomeda Girnius, Roger J Davis, Eduardo F Farias, John Condeelis, Christoph A Klein, Julio A Aguirre-Ghiso
Metastasis is the leading cause of cancer-related deaths; metastatic lesions develop from disseminated cancer cells (DCCs) that can remain dormant. Metastasis-initiating cells are thought to originate from a subpopulation present in progressed, invasive tumours. However, DCCs detected in patients before the manifestation of breast-cancer metastasis contain fewer genetic abnormalities than primary tumours or than DCCs from patients with metastases. These findings, and those in pancreatic cancer and melanoma models, indicate that dissemination might occur during the early stages of tumour evolution...
December 14, 2016: Nature
https://www.readbyqxmd.com/read/27959889/childhood-neuroendocrine-tumours-a-descriptive-study-revealing-clues-for-genetic-predisposition
#18
I J Diets, I D Nagtegaal, J Loeffen, I de Blaauw, E Waanders, N Hoogerbrugge, M C J Jongmans
BACKGROUND: Neuroendocrine tumours (NETs) are rare in children and limited data are available. We aimed to specify tumour and patient characteristics and to investigate the role of genetic predisposition in the aetiology of paediatric NETs. METHODS: Using the Dutch Pathology Registry PALGA, we collected patient- and tumour data of paediatric NETs in the Netherlands between 1991 and 2013 (N=483). RESULTS: The incidence of paediatric NETs in the Netherlands is 5...
December 13, 2016: British Journal of Cancer
https://www.readbyqxmd.com/read/27957518/diffusion-weighted-mr-imaging-of-pancreatic-cancer-a-comparison-of-mono-exponential-bi-exponential-and-non-gaussian-kurtosis-models
#19
REVIEW
Nikolaos Kartalis, Georgios C Manikis, Louiza Loizou, Nils Albiin, Frank G Zöllner, Marco Del Chiaro, Kostas Marias, Nikolaos Papanikolaou
OBJECTIVES: To compare two Gaussian diffusion-weighted MRI (DWI) models including mono-exponential and bi-exponential, with the non-Gaussian kurtosis model in patients with pancreatic ductal adenocarcinoma. MATERIALS AND METHODS: After written informed consent, 15 consecutive patients with pancreatic ductal adenocarcinoma underwent free-breathing DWI (1.5T, b-values: 0, 50, 150, 200, 300, 600 and 1000 s/mm(2)). Mean values of DWI-derived metrics ADC, D, D*, f, K and DK were calculated from multiple regions of interest in all tumours and non-tumorous parenchyma and compared...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27956320/primary-tumour-resection-may-improve-survival-in-functional-well-differentiated-neuroendocrine-tumours-metastatic-to-the-liver
#20
D Citterio, S Pusceddu, A Facciorusso, J Coppa, M Milione, R Buzzoni, M Bongini, F deBraud, V Mazzaferro
BACKGROUND: Functional well-differentiated neuroendocrine tumours (NET) with liver metastases represent a therapeutic challenge with few alternative options in guidelines. In these patients, the role of surgical resection of the primary tumour is controversial. PATIENTS AND METHODS: From a regional registry collecting somatostatin analogue (SSA)-treated tumours from 1979 to 2005, a series of 139 patients presenting with symptomatic, liver-metastatic, well-differentiated NET (G1-G2, mitoses: ≤20, Ki-67: ≤20%) was prospectively collected and retrospectively analysed...
November 24, 2016: European Journal of Surgical Oncology
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