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Gadoxetic acid

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https://www.readbyqxmd.com/read/28742376/hypervascular-transformation-of-hypovascular-hypointense-nodules-in-the-hepatobiliary-phase-of-gadoxetic-acid-enhanced-mri-a-systematic-review-and-meta-analysis
#1
Chong Hyun Suh, Kyung Won Kim, Junhee Pyo, Jayoun Lee, So Yeon Kim, Seong Ho Park
OBJECTIVE: The purpose of this study is to evaluate the outcomes of hypovascular hypointense nodules in the hepatobiliary phase of gadoxetic acid-enhanced MRI and the risk factors for the hypervascular transformation of the nodules through a systematic review and meta-analysis. MATERIALS AND METHODS: We searched the Ovid-MEDLINE and EMBASE databases for published studies of hypovascular hypointense nodules in patients with chronic liver disease. The pooled proportions of the overall and cumulative incidence rates at 1, 2, and 3 years for the transformation of hypovascular hypointense nodules into hypervascular hepatocellular carcinomas (HCCs) were assessed by using random-effects modeling...
July 25, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28731815/reply-to-biliopancreatic-reflux-shown-on-gadoxetic-acid-enhanced-mri
#2
Reiji Sugita, Kei Ito, Yutaka Noda
No abstract text is available yet for this article.
August 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28731814/biliopancreatic-reflux-shown-on-gadoxetic-acid-enhanced-mri
#3
Ali Devrim Karaosmanoglu, Musturay Karcaaltincaba
No abstract text is available yet for this article.
August 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28726119/a-cost-effectiveness-analysis-of-the-diagnostic-strategies-for-differentiating-focal-nodular-hyperplasia-from-hepatocellular-adenoma
#4
Chong Hyun Suh, Kyung Won Kim, Seong Ho Park, Sangjin Shin, Jeonghoon Ahn, Junhee Pyo, Atul B Shinagare, Katherine M Krajewski, Nikhil H Ramaiya
OBJECTIVES: We evaluated the cost-effectiveness of a gadoxetic acid-enhanced MRI (EOB-MRI) strategy compared with conventional MRI strategy and biopsy to differentiate focal nodular hyperplasia (FNH) from hepatocellular adenoma (HCA). METHODS: A decision tree model was constructed to compare the cost-effectiveness of EOB-MRI, conventional MRI with extracellular contrast agents, and biopsy as the initial diagnostic modality in patients with incidentally detected focal liver lesions suspected of being FNH or HCA...
July 19, 2017: European Radiology
https://www.readbyqxmd.com/read/28723741/characterization-of-small-%C3%A2-3%C3%A2-cm-hepatic-lesions-with-atypical-enhancement-feature-and-hypointensity-in-hepatobiliary-phase-of-gadoxetic-acid-enhanced-mri-in-cirrhosis-a-stard-compliant-article
#5
Seung Kak Shin, Yun Soo Kim, Seung Joon Choi, Young Sup Shim, Dong Hae Jung, Oh Sang Kwon, Duck Joo Choi, Ju Hyun Kim
It is difficult to characterize the nodular lesions in cirrhotic liver if typical enhancement pattern is not present on dynamic contrast-enhanced imagings. Although the signal intensity of the hepatobiliary phase in gadoxetic acid-enhanced magnetic resonance imaging (MRI) is helpful for characterization of the lesions, some dysplastic nodules may also exhibit low signal intensity in the hepatobiliary phase. We aimed to assess the usefulness of gadoxetic acid (Gd-EOB-DTPA)-enhanced MRI including diffusion-weighted imaging (DWI) for differentiation between atypical small hepatocellular carcinomas (HCCs) and dysplastic nodules showing low signal intensity (SI) in the hepatobiliary phase, and to evaluate the MRI findings in determining the histological grade of atypical HCCs in patients with cirrhosis...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28709718/gadoxetic-acid-enhanced-high-temporal-resolution-hepatic-arterial-phase-imaging-with-view-sharing-technique-impact-on-the-li-rads-category
#6
Satoshi Goshima, Yoshifumi Noda, Kimihiro Kajita, Nobuyuki Kawai, Hiromi Koyasu, Hiroshi Kawada, Masayuki Matsuo, Kyongtae T Bae
PURPOSE: To evaluate the value of view-sharing multi-hepatic arterial-phase (mHAP) imaging for diagnosis of hypervascular hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Forty-seven consecutive patients with HCC underwent gadoxetic acid-enhanced magnetic resonance (MR) imaging before angiographic and lipiodol CT. Hepatic arterial-phase images were obtained at 5 consecutive phases with shared central k-space of 25%, followed by portal venous, late (2 and 3min), and hepatobiliary phase imaging...
July 3, 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28673445/does-injection-flow-rate-have-an-impact-on-arterial-phase-image-degradation-in-liver-mri-a-comparison-of-gadoxetic-acid-versus-gadobutrol
#7
V Cohen-Hallaleh, L Guo, H Hosseini-Nik, N Razaghi Kashani, R Menezes, K Jhaveri
AIM: To evaluate retrospectively the impact of injection flow rate on arterial phase image degradation in liver magnetic resonance imaging (MRI) with gadoxetic acid (Gd-EOB-DTPA) compared to gadobutrol. MATERIALS AND METHODS: Two hundred consecutive patients who had undergone liver MRI were enrolled in this Health Insurance Portability and Accountability Act (HIPAA)-compliant institutional review board (IRB)-approved study and were divided into three groups. Group 1 (50 patients) and 2 (50 patients) had undergone MRI performed with gadoxetic acid (fixed 10 ml) at flow rate of 1 and 2 ml/s, respectively...
June 30, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28670163/t2-mapping-from-multi-echo-dixon-sequence-on-gadoxetic-acid-enhanced-magnetic-resonance-imaging-for-the-hepatic-fat-quantification-can-it-be-used-for-hepatic-function-assessment
#8
Hyunsuk Yoo, Jeong Min Lee, Jeong Hee Yoon, Hyo-Jin Kang, Sang Min Lee, Hyun Kyung Yang, Joon Koo Han
OBJECTIVE: To evaluate the diagnostic value of T2(*) mapping using 3D multi-echo Dixon gradient echo acquisition on gadoxetic acid-enhanced liver magnetic resonance imaging (MRI) as a tool to evaluate hepatic function. MATERIALS AND METHODS: This retrospective study was approved by the IRB and the requirement of informed consent was waived. 242 patients who underwent liver MRIs, including 3D multi-echo Dixon fast gradient-recalled echo (GRE) sequence at 3T, before and after administration of gadoxetic acid, were included...
July 2017: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/28659180/multiparametric-imaging-for-detection-and-characterization-of-hepatocellular-carcinoma-using-gadoxetic-acid-enhanced-mri-and-perfusion-ct-which-parameters-work-best
#9
Mustafa Kurucay, Christopher Kloth, Sascha Kaufmann, Konstantin Nikolaou, Hans Bösmüller, Marius Horger, Wolfgang M Thaiss
BACKGROUND: MRI and perfusion-CT (PCT) are both useful imaging techniques for detection and characterization of liver lesions. The aim of this study was to compare the diagnostic accuracy of imaging parameters derived from PCT and gadoxetic acid-enhanced MRI in patients with hepatocellular carcinoma (HCC). METHODS: 36 patients with liver cirrhosis and a total of 67 lesions referred to our hospital for multi-parametric diagnosis of HCC-suspected liver lesions in the setting of liver cirrhosis were prospectively enrolled and underwent PCT and MRI...
June 28, 2017: Cancer Imaging: the Official Publication of the International Cancer Imaging Society
https://www.readbyqxmd.com/read/28657851/curative-resection-of-single-primary-hepatic-malignancy-liver-imaging-reporting-and-data-system-category-lr-m-portends-a-worse-prognosis
#10
Chansik An, Sumi Park, Yong Eun Chung, Do-Young Kim, Seung-Seob Kim, Myeong-Jin Kim, Jin-Young Choi
OBJECTIVE: The purpose of this study was to examine the associations between preoperative Liver Imaging Reporting and Data System (LI-RADS) categories and prognosis after curative resection of single hepatic malignancies in patients with chronic liver disease. MATERIALS AND METHODS: Between January 2008 and December 2010, 225 patients with chronic liver disease underwent resection of single hepatic malignant tumors (218 hepatocellular carcinomas, three cholangiocarcinomas, four biphenotypic carcinomas) after undergoing gadoxetic acid-enhanced MRI...
June 28, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28650239/use-of-gadoxetic-acid-for-computed-tomographic-cholangiography-in-healthy-dogs
#11
Jennifer Chau, Juan M Podadera, Alex C Young, Mariano A Makara
OBJECTIVE To evaluate the effect of gadoxetic acid (contrast) dose on biliary tract enhancement, determine the optimal time after contrast injection for CT image acquisition, and assess the feasibility of CT cholangiography in sedated dogs. ANIMALS 8 healthy dogs. PROCEDURES The study had 2 parts. In part 1, 4 dogs were anesthetized and underwent CT cholangiography twice. Gadoxetic acid was administered IV at a low dose (0.025 mmol/kg) for the first procedure and high dose (0.3 mmol/kg) for the second procedure...
July 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28628415/signal-intensity-increase-in-the-central-nervous-system-after-previous-gadoxetic-acid-enhanced-mr-imaging
#12
Cornelia Harz, Laura Schöckel, Jan Endrikat, Hubertus Pietsch, Thomas Balzer
No abstract text is available yet for this article.
July 2017: Radiology
https://www.readbyqxmd.com/read/28626731/how-to-differentiate-borderline-hepatic-nodules-in-hepatocarcinogenesis-emphasis-on-imaging-diagnosis
#13
REVIEW
Hyun Jeong Park, Byung Ihn Choi, Eun Sun Lee, Sung Bin Park, Jong Beum Lee
BACKGROUND: Rapid advances in liver imaging have improved the evaluation of hepatocarcinogenesis and early diagnosis and treatment of hepatocellular carcinoma (HCC). In this situation, detection of early-stage HCC in its development is important for the improvement of patient survival and optimal treatment strategies. Because early HCCs are considered precursors of progressed HCC, precise differentiation between a dysplastic nodule (DN), especially a high-grade DN, and early HCC is important...
June 2017: Liver Cancer
https://www.readbyqxmd.com/read/28624005/differentiation-between-cholangiocarcinoma-and-hepatocellular-carcinoma-with-target-sign-on-diffusion-weighted-imaging-and-hepatobiliary-phase-gadoxetic-acid-enhanced-mr-imaging-classification-tree-analysis-applying-capsule-and-septum
#14
Ji Hye Min, Young Kon Kim, Seo-Youn Choi, Woo Kyoung Jeong, Won Jae Lee, Sang Yun Ha, Soohyun Ahn, Hyeon Seon Ahn
OBJECTIVES: To assess the usefulness of classification tree analysis (CTA) for discrimination of hepatocellular carcinoma (HCC) with target sign on hepatobiliary phase (HBP) and/or diffusion-weighted image (DWI) from intrahepatic cholangiocarcinoma (ICC). METHODS: This retrospective study was approved by the institutional review board. From among the 811 patients with histopathologically proven 79 ICCs and 732 HCCs, 69 patients with 69 (87.3%) ICCs and 115 patients with 115 HCCs (15...
July 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28622247/effects-of-portal-hypertension-on-gadoxetic-acid-enhanced-liver-magnetic-resonance-diagnostic-and-prognostic-implications
#15
Ulrika Asenbaum, Ahmed Ba-Ssalamah, Mattias Mandorfer, Richard Nolz, Julia Furtner, Thomas Reiberger, Arnulf Ferlitsch, Klaus Kaczirek, Michael Trauner, Markus Peck-Radosavljevic, Andreas G Wibmer
OBJECTIVE: The aim of this study was to investigate the impact of portal hypertension (PH) on gadoxetic acid-enhanced liver magnetic resonance imaging (MRI) and assess diagnostic and prognostic implications in comparison to established imaging features of PH. MATERIALS AND METHODS: Institutional review board-approved retrospective study of 178 patients (142 men; median age, 59.4 years) with chronic liver disease undergoing MRI and hepatic venous pressure gradient (HVPG) measurement between January 2008 and April 2015...
August 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28609205/diagnostic-performance-of-gadoxetic-acid-enhanced-liver-mr-imaging-versus-multidetector-ct-in-the-detection-of-dysplastic-nodules-and-early-hepatocellular-carcinoma
#16
Bo Ram Kim, Jeong Min Lee, Dong Ho Lee, Jeong Hee Yoon, Bo Yun Hur, Kyung Suk Suh, Nam-Joon Yi, Kyung Boon Lee, Joon Koo Han
Purpose To compare the diagnostic performance of gadoxetic acid-enhanced liver magnetic resonance (MR) imaging with that of contrast material-enhanced multidetector computed tomography (CT) in the detection of borderline hepatocellular nodules in patients with liver cirrhosis and to determine the Liver Imaging Reporting and Data System (LI-RADS) categories of these detected nodules. Materials and Methods The institutional review board approved this retrospective study and waived the informed consent requirement...
June 13, 2017: Radiology
https://www.readbyqxmd.com/read/28609188/subtraction-images-of-gadoxetic-acid-enhanced-mri-effect-on-the-diagnostic-performance-for-focal-hepatic-lesions-in-patients-at-risk-for-hepatocellular-carcinoma
#17
Sang Hyun Choi, So Yeon Kim, Seung Soo Lee, Ju Hyun Shim, Jae Ho Byun, Seunghee Baek, Moon-Gyu Lee
OBJECTIVE: The purpose of this study is to evaluate the effect of subtraction images of gadoxetic acid-enhanced MRI on the image interpretation of focal hepatic lesions in patients at risk for hepatocellular carcinoma (HCC). MATERIALS AND METHODS: We retrospectively analyzed 255 malignant nodules from 233 patients with chronic hepatitis or liver cirrhosis (187 men and 46 women; mean age, 55.2 years) who underwent preoperative gadoxetic acid-enhanced MRI and surgical resection...
June 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28607606/diagnostic-value-of-gd-eob-dtpa-mri-for-hepatocellular-adenoma-a-meta-analysis
#18
Yongfei Guo, Wenjuan Li, Zhinan Xie, Yi Zhang, Yijie Fang, Wenli Cai, Guobin Hong
Objective: This study aimed to systematically review the gadoxetic acid-enhanced magnetic resonance imaging (Gd-EOB-DTPA-MRI) findings of hepatocellular adenoma (HCA), especially focusing on the diagnostic value of low signal intensity (SI) in the hepatocyte-phase (HBP) for differentiating HCA from focal nodular hyperplasia (FNH). Methods: A thorough literature search was conducted in PubMed, Excerpta Medica Database (EMBASE) and China National Knowledge Infrastructure databases (CNKI) to identify studies evaluating Gd-EOB-DTPA-MRI presentations of HCA...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28591226/interval-to-vascularization-development-in-cirrhotic-precursor-nodules-in-patients-with-hepatitis-b-and-c-virus-co-infections
#19
Nai-Chi Chiu, Chien-Wei Su, Chien-An Liu, Yi-Hsiang Huang, Yi-You Chiou
With the widespread use of gadoxetic acid-enhanced magnetic resonance imaging, liver nodules appearing as hypovascular in the arterial phase and hypointense in the hepatobiliary phase, defined as hypovascular hypointense nodules, are increasingly detected in patients with cirrhosis and are considered precursor nodules. We sought to evaluate the interval to vascularization development in hepatitis C virus/hepatitis B virus co-infected-associated precursor nodules (BC-HHN group) compared with that in hepatitis C virus mono-infected-associated precursor nodules (C-HHN group) in the hepatobiliary phase of gadoxetic acid-enhanced magnetic resonance imaging...
2017: PloS One
https://www.readbyqxmd.com/read/28558068/diagnostic-accuracy-of-gadoxetic-acid-enhanced-mr-for-small-hypervascular-hepatocellular-carcinoma-and-the-concordance-rate-of-liver-imaging-reporting-and-data-system-li-rads
#20
Jae Seok Bae, Jung Hoon Kim, Mi Hye Yu, Dong Ho Lee, Hyo-Cheol Kim, Jin Wook Chung, Joon Koo Han
BACKGROUND & AIMS: To assess diagnostic accuracy of gadoxetic acid-enhanced MR for small hypervascular hepatocellular carcinoma (HCC) detected by C-arm CT and concordance rate of Liver Imaging Reporting and Data System (LI-RADS). METHODS: In this retrospective study, we recruited 4,544 patients suspected of having HCC underwent C-arm CT from November 2008 to May 2013. Among these patients, gadoxetic acid-enhanced MR was performed in 167 patients with HCC (n = 379; 257 > 1 cm, 122 ≤ 1 cm)...
2017: PloS One
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