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Pancreatic cancer imaging

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https://www.readbyqxmd.com/read/28736188/asparaginase-associated-pancreatitis-in-childhood-acute-lymphoblastic-leukaemia-an-observational-ponte-di-legno-toxicity-working-group-study
#1
Benjamin O Wolthers, Thomas L Frandsen, André Baruchel, Andishe Attarbaschi, Shlomit Barzilai, Antonella Colombini, Gabriele Escherich, Kathrine Grell, Hiroto Inaba, Gábor Kovacs, Der-Cherng Liang, Marion Mateos, Veerle Mondelaers, Anja Möricke, Tomasz Ociepa, Sujith Samarasinghe, Lewis B Silverman, Inge M van der Sluis, Martin Stanulla, Lynda M Vrooman, Michihiro Yano, Ester Zapotocka, Kjeld Schmiegelow
BACKGROUND: Survival for childhood acute lymphoblastic leukaemia surpasses 90% with contemporary therapy; however, patients remain burdened by the severe toxic effects of treatment, including asparaginase-associated pancreatitis. To investigate the risk of complications and risk of re-exposing patients with asparaginase-associated pancreatitis to asparaginase, 18 acute lymphoblastic leukaemia trial groups merged data for this observational study. METHODS: Patient files from 26 trials run by 18 trial groups were reviewed on children (aged 1·0-17·9 years) diagnosed with t(9;22)-negative acute lymphoblastic leukaemia between June 1, 1996, and Jan 1, 2016, who within 50 days of asparaginase exposure developed asparaginase-associated pancreatitis...
July 20, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28732002/-gastrointestinal-stromal-tumor-in-young-pregnant-woman-case-report
#2
Walker Del Cid Jove Oblitas, Miguel Joseph Abril Barreda
Female patient, 28 years old, with a gestation of 14 weeks, natural and from Ilo-Moquegua. Came with a time of disease 4 days with hematemesis, melena, epigastric pain and syncope. Background of colonic resection for peritonitis due to trauma 20 years ago; upper gastrointestinal bleeding three years ago; paternal grandparents died of gastric cancer; chronic gastritis diagnosed from 19 year old. In laboratory studies hemoglobin of 9.2. In the upper gastrointestinal endoscopy was found absence of active upper gastrointestinal bleeding, a large tumor in proximal body toward greater curvature and posterior wall, 8 cm in diameter approximately, lobed appearance, with most of the mucosal surface unscathed is evidence, areas of ulceration of 2-3 mm covered with fibrin (biopsies taken), hard consistency, tent sign (positive) and cushionsign (negative)...
April 2017: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/28729400/vessel-targeted-chemophototherapy-with-cationic-porphyrin-phospholipid-liposomes
#3
Dandan Luo, Jumin Geng, Nasi Li, Kevin A Carter, Shuai Shao, G Ekin Atilla-Gokcumen, Jonathan F Lovell
Cationic liposomes have been used for targeted drug delivery to tumor blood vessels, via mechanisms that are not fully elucidated. Doxorubicin (Dox)-loaded liposomes were prepared that incorporate a cationic lipid; 1,2-dioleoyl-3-trimethylammonium-propane (DOTAP), along with a small amount of porphyrin-phospholipid (PoP). Near infrared (NIR) light induced release of entrapped Dox via PoP-mediated DOTAP photo-oxidation. The formulation was optimized to enable extremely rapid NIR light-triggered Dox release (i...
July 20, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28723805/acute-pancreatitis-induced-by-etoposide-lobaplatin-combination-chemotherapy-used-for-the-treatment-of-lung-cancer-a-case-report-and-literature-review
#4
Cheng-Liang Cao, Peng-Yu Duan, Wang-Jun Zhang, Le Li, Feng-Zhi Qu, Bei Sun, Gang Wang
RATIONALE: Drug-induced pancreatitis (DIP) is a rare type of pancreatitis that is not usually observed in the clinical practice. It is generally difficult to distinguish from acute pancreatitis (AP) induced by other causes. PATIENT CONCERNS: Here, we report a 62-year-old Chinese female patient with "small cell lung cancer" as the initial presentation. Because the patient could not bear the surgical treatment, the chemotherapy composed of lobaplatin and etoposide was performed...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28721905/inter-and-intrafractional-variation-in-the-3-dimensional-positions-of-pancreatic-tumors-due-to-respiration-under-real-time-monitoring
#5
Mami Akimoto, Mitsuhiro Nakamura, Akira Nakamura, Nobutaka Mukumoto, Takashi Kishi, Yoko Goto, Takashi Mizowaki, Masahiro Hiraoka
PURPOSE: To quantify the 3-dimensional pancreatic tumor motion during the overall treatment course using real-time orthogonal kilovoltage X-ray imaging. METHODS AND MATERIALS: This study included 10 patients with pancreatic cancer who underwent 6-port static intensity modulated radiation therapy with real-time tumor tracking in 15 fractions, except for 1 patient (5 fractions). The tumor and abdominal wall positions were acquired simultaneously during the overall treatment course...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28719864/in-vivo-magnetic-resonance-imaging-of-pancreatic-tumors-using-iron-oxide-nanoworms-targeted-with-ptr86-peptide
#6
Yasaman Ahmadi, Genady Kostenich, Mor Oron-Herman, Wolfgang Wadsak, Markus Mitterhauser, Arie Orenstein, Siroos Mirzaei, Peter Knoll
To cut the high mortality rate of malignant disease such as pancreatic cancer, development of newly diagnostic probes for early stage detection of tumor lesions is required. Multimodal imaging nanoprobes allowing targeted and real time functional/anatomical imaging of tumors meet the demands. For this purpose, a MRI/optical dual-modality probe based on biodegradable magnetic iron oxide nanoworms has been developed. The cross-linked surface of nanoworms were anchored to fluorescent dyes and to FITC.PTR86; a novel synthetic peptide with high affinity towards somatostatin receptors...
July 6, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28719451/pancreatic-ductal-adenocarcinoma-with-high-radiotracer-uptake-in-68ga-prostate-specific-membrane-antigen-pet-ct
#7
Samine Sahbai, Petra Rieping, Christina Pfannenberg, Christian la Fougère, Matthias Reimold
Prostate-specific membrane antigen imaging with PET/CT is increasingly used in prostate cancer and was shown to have a high diagnostic performance. We report a clinical case of a 67-year-old man with previous history of operated prostate cancer and increasing prostate-specific antigen blood level. Ga-HBED-CC prostate-specific membrane antigen PET/CT imaging was indicated for the assessment of local recurrence and lymph node metastases of prostate cancer. In addition, a soft tissue mass in the body of the pancreas with high radiotracer uptake was detected...
July 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28719449/68ga-dotatate-uptake-in-solitary-pancreatic-metastasis-from-clear-cell-renal-cancer
#8
Shankar Vamadevan, Ken Le, Lily Shen, Han Loh, Robert Mansberg
A 64-year-old man with a lesion of the pancreatic tail was referred for Ga-DOTATATE PET/CT imaging. His medical history included previous metastatic clear cell renal cell cancer. Ga-DOTATATE PET/CT demonstrated increased DOTATATE uptake (SUVmax 10.5) in a pancreatic tail lesion. Histopathology of the resected lesion confirmed clear renal cell cancer metastasis. This case illustrates that clear cell renal cancer metastasis can demonstrate Ga-DOTATATE accumulation.
July 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28715634/a-novel-strategy-utilizing-extracellular-cysteine-rich-domain-of-membrane-receptor-for-constructing-d-peptide-mediated-targeted-drug-delivery-systems-a-case-study-on-fn14
#9
Zhuoxuan Li, Jing Xie, Shan Peng, Sha Liu, Ying Wang, Weiyue Lu, Jie Shen, Chong Li
The development of proteolysis-resistant D-peptide ligands for targeted drug/gene delivery has been greatly limited, due to the challenge lies in the chemical synthesis of membrane receptors without altering their structures. In the present research, a novel strategy utilizing self-stabilized extracellular cysteine-rich domain (CRD) of membrane receptor was developed to construct D-peptide ligands and their mediated targeted drug delivery systems. Fibroblast growth factor-inducible 14 (Fn14), a cell surface receptor overexpressed in many cancers including pancreatic and triple-negative breast cancers, was selected as the model receptor...
July 17, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28707545/diagnostic-evaluation-of-simulation-ct-images-for-adjuvant-radiotherapy-in-pancreatic-adenocarcinoma
#10
Bohyun Kim, Young Chul Kim, O Kyu Noh, Jaesung Heo, Hyun Woo Lee, Ji Hoon Kim, Jei Hee Lee, Jai Keun Kim, Oyeon Cho, Young-Taek Oh, Mison Chun
OBJECTIVE: The purpose of this study is to review simulation CT scans and evaluate their diagnostic value in patients treated with adjuvant radiation therapy for pancreatic adenocarcinoma. MATERIALS AND METHODS: Seventy-three patients who had undergone simulation CT scans for adjuvant radiation therapy in pancreatic adenocarcinoma were reviewed. All simulation CT scans were reviewed by professional abdominal radiologists, who compared the images with corresponding prior CT scans to identify new lesions...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28704462/a-longitudinal-mri-study-on-lymph-nodes-histiocytosis-of-a-xenograft-cancer-model
#11
María Jiménez-González, Sandra Plaza-García, Janire Arizeta, Silvia Bianchessi, César Trigueros, Torsten Reese
BACKGROUND: Efforts are continuously made to detect and investigate the pivotal processes and interplay between the response of sentinel lymph node and malignant cells from a primary tumor. Conversely, some frequently used tumor animal models, such as human cancer xenografts, rarely feature metastasis. Therefore, lymph node alterations are seldom assessed. We consider that studying lymph node response could contribute to the understanding of host reaction to cancer. In the present study, we explored the presence of regional lymph node alterations in parallel with tumor growth using a pancreatic tumor xenograft model which does not develop metastasis...
2017: PloS One
https://www.readbyqxmd.com/read/28702661/clinically-approved-pegylated-nanoparticles-are-covered-by-a-protein-corona-that-boosts-the-uptake-by-cancer-cells
#12
M Papi, D Caputo, V Palmieri, R Coppola, S Palchetti, F Bugli, C Martini, L Digiacomo, D Pozzi, G Caracciolo
Today, liposomes are an advanced technology of drug carriers with a dozen drugs in clinical practice and many more in clinical trials. A bottleneck associated with the clinical translation of liposomes has long been 'opsonization', i.e. the adsorption of plasma proteins at the liposome surface resulting in their rapid clearance from circulation. For decades, the most popular way to avoid opsonization has been grafting polyethylene glycol (PEG) onto the liposome surface. Recent studies have clarified that grafting PEG onto the liposome surface reduces, but does not completely prevent protein binding...
July 12, 2017: Nanoscale
https://www.readbyqxmd.com/read/28702373/murine-pancreatic-acinar-cell-carcinoma-growth-kinetics-are-independent-of-dietary-vitamin-d-deficiency-or-supplementation
#13
James Dooley, Vasiliki Lagou, Nathalie Heirman, Tom Dresselaers, Uwe Himmelreich, Adrian Liston
Vitamin D has been proposed as a therapeutic strategy in pancreatic cancer, yet evidence for an effect of dietary vitamin D on pancreatic cancer is ambiguous, with conflicting data from human epidemiological and intervention studies. Here, we tested the role of dietary vitamin D in the in vivo context of the well-characterized Ela1-TAg transgenic mouse model of pancreatic acinar cell carcinoma. Through longitudinal magnetic resonance imaging of mice under conditions of either dietary vitamin D deficiency (<5 IU/kg vitamin D) or excess (76,500 IU/kg vitamin D), compared to control diet (1,500 IU/kg vitamin D), we measured the effect of variation of dietary vitamin D on tumor kinetics...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28693975/reply-to-the-letter-to-the-editor-regarding-the-diagnostic-advantage-of-eob-mr-imaging-over-ct-in-the-detection-of-liver-metastasis-in-patients-with-potentially-resectable-pancreatic-cancer-methodological-issues
#14
EDITORIAL
Takaaki Ito, Toru Imai, Katsuhiro Omae, Teiichi Sugiura, Katsuhiko Uesaka
No abstract text is available yet for this article.
July 4, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28691687/pancreaticobiliary-maljunction-and-congenital-biliary-dilatation
#15
REVIEW
Terumi Kamisawa, Kenitiro Kaneko, Takao Itoi, Hisami Ando
Pancreaticobiliary maljunction is a congenital malformation in which the pancreatic and bile ducts join outside the duodenal wall, usually forming a long common channel. Because the action of the sphincter of Oddi does not regulate the function of the pancreaticobiliary junction in patients with pancreaticobiliary maljunction, two-way regurgitation occurs. Reflux of pancreatic juice into the biliary tract is associated with a high incidence of biliary cancer. Biliary carcinogenesis in patients with pancreaticobiliary maljunction is thought to follow the hyperplasia, dysplasia, then carcinoma sequence due to chronic inflammation caused by pancreatobiliary reflux...
August 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28689744/the-diagnostic-advantage-of-eob-mr-imaging-over-ct-in-the-detection-of-liver-metastasis-in-patients-with-potentially-resectable-pancreatic-cancer-methodological-issues
#16
EDITORIAL
Saeid Safiri, Erfan Ayubi
No abstract text is available yet for this article.
July 1, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28685746/significance-of-normal-appearance-on-endoscopic-ultrasonography-in-the-diagnosis-of-early-chronic-pancreatitis
#17
Ai Sato, Atsushi Irisawa, Manoop S Bhutani, Goro Shibukawa, Akane Yamabe, Mariko Fujisawa, Ryo Igarashi, Noriyuki Arakawa, Yoshitsugu Yoshida, Yoko Abe, Takumi Maki, Koki Hoshi, Hiromasa Ohira
BACKGROUND AND OBJECTIVES: The Rosemont classification (RC) was developed as a consensus-based standard for the diagnosis of chronic pancreatitis (CP) by endoscopic ultrasonography (EUS), however, it is more complicated than the conventional scoring system. We have noticed that in the early stages of CP, it is not unusual to observe pancreas with abnormal appearance coexisting with the areas of normal parenchyma. The aim of this study was to investigate the validity of a "normal" pancreas appearance and to evaluate the usefulness of modified diagnostic criteria in comparison to the traditional EUS criteria and the RC...
July 6, 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28675414/nanotekniken-kan-revolutionera-behandlingen-av-cancer-ger-nya-m%C3%A3-jligheter-att-m%C3%A3-lstyra-l%C3%A3-kemedel-men-flera-stora-utmaningar-%C3%A3-terst%C3%A3-r-att-tackla
#18
Matthias Löhr, Wouter van der Wijngaart, Björn Fagerberg
Nanoparticles for cancer therapy Nanoparticles carry a big promise in oncology, for diagnosis/imaging, therapy, or both (theragnostics). As common in medical history, there is a huge gap between the exciting experimental possibilities and data and clinical studies making use of it. Of the cell-containing nanoparticles, only one formulation using gene-directed enzyme prodrug therapy (GDEPT) with CYP2B1 and ifosfamide was used in early clinical studies. Of the cell-free nanoparticles, some drug-releasing (doxorubicin) ones are in clinical use for trans-arterial chemo-embolization (TACE) in liver tumors and metastasis...
July 3, 2017: Läkartidningen
https://www.readbyqxmd.com/read/28674913/primary-care-versus-oncology-based-surveillance-following-adjuvant-chemotherapy-in-resected-pancreatic-cancer
#19
Haider H Samawi, Yaling Yin, Howard J Lim, Winson Y Cheung
INTRODUCTION: High level evidence to guide surveillance following curative intent treatment for pancreatic cancer is lacking and this has likely resulted in wide variations in practice. We aim to describe patterns of surveillance and evaluate their impact on outcomes. METHODS: A total of 147 adult patients who received at least one cycle of adjuvant gemcitabine or 5-fluorouracil-based chemotherapy at any one of five British Columbia Cancer Agency centers between 2001 and 2015 were included...
July 4, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/28673056/resveratrol-loaded-albumin-nanoparticles-with-prolonged-blood-circulation-and-improved-biocompatibility-for-highly-effective-targeted-pancreatic-tumor-therapy
#20
Tao Geng, Xia Zhao, Meng Ma, Gang Zhu, Ling Yin
Human serum albumin (HSA) is an intrinsic protein and important carrier that transports endogenous as well as exogenous substances across cell membranes. Herein, we have designed and prepared resveratrol (RV)-loaded HSA nanoparticles conjugating RGD (arginine-glycine-aspartate) via a polyethylene glycol (PEG) "bridge" (HRP-RGD NPs) for highly effective targeted pancreatic tumor therapy. HRP-RGD NPs possess an average size of 120 ± 2.6 nm with a narrow distribution, a homodisperse spherical shape, a RV encapsulation efficiency of 62...
December 2017: Nanoscale Research Letters
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