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https://www.readbyqxmd.com/read/28439650/gadoxetic-acid-disodium-enhanced-mr-imaging-of-cholangiolocellular-carcinoma-of-the-liver-imaging-characteristics-and-histopathological-correlations
#1
Hiroki Haradome, Toshiyuki Unno, Hiroyuki Morisaka, Yusuke Toda, Thomas C Kwee, Hiroshi Kondo, Keiji Sano, Tomoaki Ichikawa, Fukuo Kondo, Masahiko Sugitani, Tadatoshi Takayama
OBJECTIVES: To review the gadoxetic acid disodium (EOB)-enhanced magnetic resonance (MR) imaging features of cholangiolocellular carcinoma (CoCC) of the liver and compare them with those of hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (ICC). METHODS: EOB-enhanced MR images of 19 patients with CoCC, 23 with ICC, and 51 with HCC were retrospectively evaluated qualitatively and quantitatively. Univariate and multivariate analyses were performed to determine the characteristic MR features of CoCC with histopathological-imaging correlation...
April 24, 2017: European Radiology
https://www.readbyqxmd.com/read/28433483/functional-image-guided-stereotactic-body-radiation-therapy-planning-for-patients-with-hepatocellular-carcinoma
#2
Uranchimeg Tsegmed, Tomoki Kimura, Takeo Nakashima, Yuko Nakamura, Toru Higaki, Nobuki Imano, Yoshiko Doi, Masahiro Kenjo, Shuichi Ozawa, Yuji Murakami, Kazuo Awai, Yasushi Nagata
The aim of the current planning study is to evaluate the ability of gadoxetate disodium-enhanced magnetic resonance imaging (EOB-MRI)-guided stereotactic body radiation therapy (SBRT) planning by using intensity-modulated radiation therapy (IMRT) techniques in sparing the functional liver tissues during SBRT for hepatocellular carcinoma. In this study, 20 patients with hepatocellular carcinoma were enrolled. Functional liver tissues were defined according to quantitative liver-spleen contrast ratios ≥ 1...
April 19, 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/28405233/novel-%C3%AE-cyclodextrin-eosin-conjugates
#3
Gábor Benkovics, Damien Afonso, András Darcsi, Szabolcs Béni, Sabrina Conoci, Éva Fenyvesi, Lajos Szente, Milo Malanga, Salvatore Sortino
Eosin B (EoB) and eosin Y (EoY), two xanthene dye derivatives with photosensitizing ability were prepared in high purity through an improved synthetic route. The dyes were grafted to a 6-monoamino-β-cyclodextrin scaffold under mild reaction conditions through a stable amide linkage using the coupling agent 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride. The molecular conjugates, well soluble in aqueous medium, were extensively characterized by 1D and 2D NMR spectroscopy and mass spectrometry...
2017: Beilstein Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28396918/comparison-of-10-and-20-min-hepatobiliary-phase-images-on-gd-eob-dtpa-enhanced-mri-t1-mapping-for-liver-function-assessment-in-clinic
#4
Zhi-Peng Zhou, Li-Ling Long, Wei-Jia Qiu, Ge Cheng, Li-Juan Huang, Teng-Fei Yang, Zhong-Kui Huang
PURPOSE: To compare hepatobiliary phase (HBP) images obtained 10 and 20 min after Gd-EOB-DTPA-enhanced MRI for liver function assessment in clinic on 3.0 T MR imaging. METHODS: 103 patients were separated into four groups: 38 patients for the normal liver function (NLF) group, 33 patients for the liver cirrhosis with Child-Pugh A (LCA) group, 21 patients for the liver cirrhosis with Child-Pugh B group, and 11 patients for a liver cirrhosis with Child-Pugh C group...
April 10, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28392502/contrast-enhanced-computed-tomography-plus-gadolinium-ethoxybenzyl-diethylenetriamine-pentaacetic-acid-enhanced-magnetic-resonance-imaging-for-gross-classification-of-hepatocellular-carcinoma
#5
Chuang Chen, Hui Zhao, Xu Fu, LuoShun Huang, Min Tang, XiaoPeng Yan, ShiQuan Sun, WenJun Jia, Liang Mao, Jiong Shi, Jun Chen, Jian He, Jin Zhu, YuDong Qiu
Accurate gross classification through imaging is critical for determination of hepatocellular carcinoma (HCC) patient prognoses and treatment strategies. The present retrospective study evaluated the utility of contrast-enhanced computed tomography (CE-CT) combined with gadolinium-ethoxybenzyl diethylenetriamine pentaacetic acid-enhanced magnetic resonance imaging (EOB-MRI) for diagnosis and classification of HCCs prior to surgery. Ninety-four surgically resected HCC nodules were classified as simple nodular (SN), SN with extranodular growth (SN-EG), confluent multinodular (CMN), or infiltrative (IF) types...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28365784/magnetic-resonance-findings-of-hepatic-epithelioid-hemangioendothelioma-emphasis-on-hepatobiliary-phase-using-gd-eob-dtpa
#6
Jeong Hyun Lee, Woo Kyoung Jeong, Young Kon Kim, Won Jae Lee, Sang Yun Ha, Kyoung Won Kim, Jihun Kim
PURPOSE: To examine the characteristic features of hepatic epithelioid hemangioendothelioma (HEH) on magnetic resonance imaging (MRI) using Gd-EOB-DTPA. MATERIAL AND METHODS: Twelve patients (mean age, 50 years; male:female = 6:6) who were pathologically confirmed to have HEH in two tertiary institutions were retrospectively investigated. For qualitative analysis, the MRI features of HEH including core pattern were characterized, and lesions were divided into core and non-core groups...
April 1, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28363694/cost-effectiveness-of-eob-mri-for-hepatocellular-carcinoma-in-japan
#7
Akihiro Nishie, Satoshi Goshima, Hiroki Haradome, Etsuro Hatano, Yasuharu Imai, Masatoshi Kudo, Masanori Matsuda, Utaroh Motosugi, Satoshi Saitoh, Kengo Yoshimitsu, Bruce Crawford, Eliza Kruger, Graeme Ball, Hiroshi Honda
PURPOSE: The objective of the study was to evaluate the cost-effectiveness of gadoxetic acid-enhanced magnetic resonance imaging (EOB-MRI) in the diagnosis and treatment of hepatocellular carcinoma (HCC) in Japan compared with extracellular contrast media-enhanced MRI (ECCM-MRI) and contrast media-enhanced computed tomography (CE-CT) scanning. METHODS: A 6-stage Markov model was developed to estimate lifetime direct costs and clinical outcomes associated with EOB-MRI...
March 28, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28355258/the-value-of-gd-eob-dtpa-enhanced-mr-imaging-in-characterizing-cirrhotic-nodules-with-atypical-enhancement-on-gd-dtpa-enhanced-mr-images
#8
Yi-Chun Wang, Chen-Te Chou, Ching-Po Lin, Yao-Li Chen, Yung-Fang Chen, Ran-Chou Chen
PURPOSE: To evaluate the utility of Gd-EOB-DTPA-enhanced magnetic resonance imaging (MRI) in characterizing atypically enhanced cirrhotic nodules detected on conventional Gd-DTPA-enhanced MR images. MATERIALS AND METHODS: We enrolled 61 consecutive patients with 88 atypical nodules seen on conventional Gd-DTPA-enhanced MR images who underwent Gd-EOB-DTPA-enhanced MRI within a 3-month period. Using a reference standard, we determined that 58 of the nodules were hepatocellular carcinoma (HCC) and 30 were dysplastic nodules (DNs)...
2017: PloS One
https://www.readbyqxmd.com/read/28343715/occurrence-profiles-and-toxic-equivalents-of-chlorinated-and-brominated-polycyclic-aromatic-hydrocarbons-in-e-waste-open-burning-soils
#9
Chiya Nishimura, Yuichi Horii, Shuhei Tanaka, Kwadwo Ansong Asante, Florencio Ballesteros, Pham Hung Viet, Takaaki Itai, Hidetaka Takigami, Shinsuke Tanabe, Takashi Fujimori
We conducted this study to assess the occurrence, profiles, and toxicity of chlorinated polycyclic aromatic hydrocarbons (Cl-PAHs) and brominated polycyclic aromatic hydrocarbons (Br-PAHs) in e-waste open burning soils (EOBS). In this study, concentrations of 15 PAHs, 26 Cl-PAHs and 14 Br-PAHs were analyzed in EOBS samples. We found that e-waste open burning is an important emission source of Cl-PAHs and Br-PAHs as well as PAHs. Concentrations of total Cl-PAHs and Br-PAHs in e-waste open burning soil samples ranged from 21 to 2800 ng/g and from 5...
March 23, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28327002/use-of-imaging-to-predict-complete-response-of-colorectal-liver-metastases-after-chemotherapy-mr-imaging-versus-ct-imaging
#10
Min Jung Park, Nurhee Hong, Kyunghwa Han, Min Ju Kim, Yoon Jin Lee, Yang Shin Park, Sung Eun Rha, Sumi Park, Won Jae Lee, Seong Ho Park, Chang Hee Lee, Chung Mo Nam, Chansik An, Hye Jin Kim, Honsoul Kim, Mi-Suk Park
Purpose To compare the diagnostic performances of contrast agent-enhanced computed tomography (CT) and gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid-enhanced liver magnetic resonance (MR) imaging (referred to as EOB MR imaging) in the evaluation of disappearing colorectal liver metastases (CRLMs) after chemotherapy. Materials and Methods The eight institutional review boards approved this retrospective study and waived the requirement for informed consent. On the basis of retrospective searches in eight hospitals, 87 patients with 393 CRLMs, each patient with one or more CRLM that later disappeared on contrast-enhanced CT scans after chemotherapy, and subsequently underwent surgery for the CRLMs, were enrolled...
March 22, 2017: Radiology
https://www.readbyqxmd.com/read/28314197/use-of-hepatobiliary-phase-images-in-gd-eob-dtpa-enhanced-mri-of-breast-cancer-hepatic-metastasis-to-predict-response-to-chemotherapy
#11
Hyun Ji Lee, Chang Hee Lee, Jeong Woo Kim, Yang Shin Park, Jongmee Lee, Kyeong Ah Kim
OBJECTIVES: To determine the prognostic value of Gd-EOB-DTPA MRI findings of liver metastasis from breast cancer. METHODS: 29 metastatic lesions from 12 breast cancer patients who received chemotherapy were retrospectively reviewed. We evaluated hepatobiliary phase of the lesions and classified them as a "target" or "non-target" appearance. The relationship of appearance or SI ratio with tumor response was analyzed. RESULTS: A non-target appearance was more frequent in disease control group than in non-control group [14/18 (77...
March 9, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28298257/the-diagnostic-advantage-of-eob-mr-imaging-over-ct-in-the-detection-of-liver-metastasis-in-patients-with-potentially-resectable-pancreatic-cancer
#12
Takaaki Ito, Teiichi Sugiura, Yukiyasu Okamura, Yusuke Yamamoto, Ryo Ashida, Takeshi Aramaki, Masahiro Endo, Katsuhiko Uesaka
BACKGROUND: Liver metastases (LMs) are sometimes diagnosed intraoperatively, even when multidetector-row computed tomography (MDCT) reveals no LM in the staging of pancreatic cancer (PC). Gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid-enhanced magnetic resonance imaging (EOB-MR imaging) may have a role to play in the detection of LM. METHODS: The present study included a total of 201 patients who underwent an EOB-MR imaging examination before undergoing surgical resection for pancreatic cancer that was determined to be radiologically-resectable by MDCT...
March 8, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28292007/magnetic-resonance-imaging-for-colorectal-cancer-metastasis-to-the-liver-comparative-effectiveness-research-for-the-choice-of-contrast-agents
#13
Nieun Seo, Mi-Suk Park, Kyunghwa Han, Kyung Ho Lee, Seong Ho Park, Gi Hong Choi, Jin-Young Choi, Yong Eun Chung, Myeong-Jin Kim
Purpose: This study was conducted to compare the diagnostic performance and early recurrence rate between gadoxetic acid-enhanced magnetic resonance imaging (Gd-EOB-MRI) and MRI with extracellular contrast agent (ECA-MRI) for evaluating hepatic lesions in colorectal cancer. Materials and Methods: Between 2005 and 2010, 418 colorectal cancer patients with both preoperative computed tomography (CT) and liver MRI were retrospectively reviewed. Image analysis was based on initial radiologic reports, and diagnostic performance was assessed based on the area under the receiver operating characteristic curve (AUROC)...
March 14, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28288384/bulk-production-and-evaluation-of-high-specific-activity-186g-re-for-cancer-therapy-using-enriched-186-wo3-targets-in-a-proton-beam
#14
Tara Mastren, Valery Radchenko, Hong T Bach, Ethan R Balkin, Eva R Birnbaum, Mark Brugh, Jonathan W Engle, Matthew D Gott, James Guthrie, Heather M Hennkens, Kevin D John, Alan R Ketring, Marina Kuchuk, Joel R Maassen, Cleo M Naranjo, F Meiring Nortier, Tim E Phelps, Silvia S Jurisson, D Scott Wilbur, Michael E Fassbender
INTRODUCTION: Rhenium-186g (t1/2 = 3.72 d) is a β(-) emitting isotope suitable for theranostic applications. Current production methods rely on reactor production by way of the reaction (185)Re(n,γ)(186g)Re, which results in low specific activities limiting its use for cancer therapy. Production via charged particle activation of enriched (186)W results in a (186g)Re product with a higher specific activity, allowing it to be used more broadly for targeted radiotherapy applications. This targets the unmet clinical need for more efficient radiotherapeutics...
March 3, 2017: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/28287489/review-of-prospects-of-biological-fluid-biomarkers-in-osteoarthritis
#15
REVIEW
Lich Thi Nguyen, Ashish Ranjan Sharma, Chiranjib Chakraborty, Balaji Saibaba, Moo-Eob Ahn, Sang-Soo Lee
Osteoarthritis (OA) is a degenerative disease of the joints and is one of the leading causes of disability in adults. However, there are no key therapeutics for OA and medical treatment is based on managing the symptoms and slowing down progression of the disease. Diagnostics based on clinical examination and radiography have provided little information about metabolic changes in joint tissues, disease onset and progression. Due to lack of effective methods for early detection and evaluation of treatment outcome, the measurement of biochemical markers (biomarkers) shows promise as a prospective method aiding in disease monitoring...
March 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28284825/meibomian-gland-morphogenesis-requires-developmental-eyelid-closure-and-lid-fusion
#16
Jingjing Wang, Mindy Call, Maureen Mongan, Winston Whei-Yang Kao, Ying Xia
BACKGROUND AND PURPOSE: Meibomian glands (MGs) play an important role in the maintenance of ocular surface health, but the mechanisms of their development are still poorly understood. The MGs arise from the epithelium at the junction of eyelid fusion, raising the possibility that defective eyelid fusion disturbs the formation of MGs. METHODS: We examined, histologically and functionally, the development of MGs in mice with either normal or defective eyelid fusion, displaying eye-closed at birth (ECB) or eye-open at birth (EOB) phenotypes, respectively...
March 8, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28280965/radiosynthesis-and-first-in-human-pet-mri-evaluation-with-clinical-grade-18-f-ftc-146
#17
Bin Shen, Jun Hyung Park, Trine Hjørnevik, Peter W Cipriano, Daehyun Yoon, Praveen K Gulaka, Dawn Holly, Deepak Behera, Bonnie A Avery, Sanjiv S Gambhir, Christopher R McCurdy, Sandip Biswal, Frederick T Chin
PURPOSE: Sigma-1 receptors (S1Rs) play an important role in many neurological disorders. Simultaneous positron emission tomography (PET)/magnetic resonance imaging (MRI) with S1R radioligands may provide valuable information for diagnosing and guiding treatment for these diseases. Our previously reported S1R radioligand, [(18)F]FTC-146, demonstrated high affinity for the S1R (K i = 0.0025 nM) and excellent selectivity for the S1R over the sigma-2 receptor (S2Rs; K i = 364 nM) across several species (from mouse to non-human primate)...
March 9, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28271531/value-of-contrast-enhanced-sonography-of-small-hepatocellular-carcinoma-with-sonazoid-prior-to-radiofrequency-ablation
#18
So Jung Lee, Hyung Jin Won, Kyung Won Kim, Yong Moon Shin, Pyo Nyun Kim
BACKGROUND: We aimed to determine the value of contrast-enhanced sonography (CEUS) with Sonazoid prior to percutaneous radiofrequency ablation (RFA) of small (<3 cm) hepatocellular carcinoma (HCC). METHODS: This prospective study was approved by our institutional review board and informed consent was obtained. The following criteria were used for study enrollment: (1) cirrhotic patients with HCCs found by contrast-enhanced CT or Gd-EOB-DTPA-enhanced MRI; (2) a single HCC <3 cm in longest diameter or multinodular HCCs (<3) with each tumor <3 cm in longest diameter; and (3) indeterminate identification of the index tumor from the surrounding cirrhosis-related pseudolesions on conventional US...
March 8, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28266528/gd-eob-dtpa-enhanced-mri-for-evaluation-of-liver-function-comparison-between-signal-intensity-based-indices-and-t1-relaxometry
#19
Michael Haimerl, Niklas Verloh, Florian Zeman, Claudia Fellner, Dominik Nickel, Sven A Lang, Andreas Teufel, Christian Stroszczynski, Philipp Wiggermann
Gadolinium ethoxybenzyl-diethylenetriaminepentaacetic acid (Gd-EOB-DTPA) is a paramagnetic hepatobiliary magnetic resonance (MR) contrast agent. Due to its OATP1B1/B3-dependent hepatocyte-specific uptake and paramagnetic properties increasing evidence has emerged to suggest that Gd-EOB-DTPA-enhanced MRI can be potentially used for evaluation of liver function. In this paper we compare the diagnostic performance of Gd-EOB-DTPA-enhanced relaxometry-based and commonly used signal-intensity (SI)-based indices, including the hepatocellular uptake index (HUI) and SI-based indices corrected by spleen or muscle, for evaluation of liver function, determined using the Indocyanin green clearance (ICG) test...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28251499/comparison-of-gadoxetic-acid-enhanced-dynamic-mr-imaging-and-contrast-enhanced-computed-tomography-for-preoperative-evaluation-of-colorectal-liver-metastases
#20
Nobuyuki Asato, Masakatsu Tsurusaki, Keitaro Sofue, Yoko Hieda, Takashi Katsube, Kazuhiro Kitajima, Takamichi Murakami
PURPOSE: To evaluate the diagnostic efficacy of gadoxetic acid-enhanced magnetic resonance imaging (EOB-MRI) vs. contrast-enhanced computed tomography (CE-CT) in the detection of liver metastasis in colorectal carcinoma patients. MATERIALS AND METHODS: One-hundred fifty-eight consecutive patients with histopathologically confirmed colorectal carcinoma underwent EOB-MRI and CE-CT; 68 patients had 105 surgically confirmed liver metastases. Diagnostic analyses were performed according to sensitivity and positive predictive value (PPV) for liver metastasis detection in combined arterial- and hepatocyte-phase images vs...
March 1, 2017: Japanese Journal of Radiology
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