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Liver and ultrasound and and contrast and HCC

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https://www.readbyqxmd.com/read/30484875/hepatocellular-carcinoma-in-otherwise-sonographically-normal-liver
#1
Hiroko Naganuma, Hideaki Ishida, Masahiro Ogawa, Tutomu Sato, Masato Sageshima, Katunori Suzuki, Yoko Ohyama
PURPOSE: Hepatocellular carcinoma (HCC) on normal liver is very rare. The goal of this study was to determine the clinical manifestations and the role of ultrasonography (US) in the diagnosis of HCC arising in normal liver. METHODS: The clinical data and US findings in 12 cases of surgically resected HCC in normal liver were retrospectively analyzed. RESULTS: The patients were asymptomatic, had no hepatocarcinogenic factor, and hepatic function tests were almost normal in most cases...
November 28, 2018: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/30465870/comparison-of-dynamic-contrast-enhanced-magnetic-resonance-imaging-and-contrast-enhanced-ultrasound-for-evaluation-of-the-effects-of-sorafenib-in-a-rat-model-of-hepatocellular-carcinoma
#2
Nina M Muñoz, Adeeb A Minhaj, Kiersten L Maldonado, Charles V Kingsley, Andrea C Cortes, Houra Taghavi, Urszula Polak, Jennifer M Mitchell, Joe E Ensor, James A Bankson, Asif Rashid, Rony Avritscher
OBJECTIVES: To compare the accuracy of contrast-enhanced ultrasound (CEUS) and Dynamic contrast-enhanced (DCE) magnetic resonance imaging (MRI) for the assessment of changes in tissue vascularization as result of sorafenib treatment in a rat model of hepatocellular carcinoma (HCC). METHODS: Male Buffalo rats with orthotopic liver tumors treated daily with 7.5 mg/kg sorafenib via oral gavage for 2 weeks (n = 9) were subject to DCE-MRI and CEUS 2 weeks after tumor implantation - right before treatment initiation - and also after treatment completion - right before tumor harvest...
November 19, 2018: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/30326302/introduction-to-the-liver-imaging-reporting-and-data-system-li-rads-for-hepatocellular-carcinoma
#3
REVIEW
An Tang, Amit G Singal, Donald G Mitchell, Elizabeth M Hecht, Kathryn J Fowler, Laura Kulik, Neehar D Parikh, Yuko Kono, Claude B Sirlin
The Liver Imaging Reporting And Data System (LI-RADS) was created with the support of the American College of Radiology (ACR) to standardize the acquisition, interpretation, reporting and data collection for imaging examinations in patients at risk for hepatocellular carcinoma (HCC). A comprehensive and rigorous system developed by radiologists, hepatologists, pathologists, and surgeons, LI-RADS addresses a wide range of imaging contexts. Currently, four algorithms are available publicly on the ACR website: ultrasound for HCC surveillance, computed tomography (CT) and magnetic resonance imaging (MRI) for HCC diagnosis and tumor staging, contrast-enhanced ultrasound (CEUS) for HCC diagnosis, and CT/MRI for treatment response assessment...
October 13, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/30313099/characteristics-of-contrast-enhanced-ultrasound-in-distinguishing-small-%C3%A2-3-cm-hepatocellular-carcinoma-from-intrahepatic-cholangiocarcinoma
#4
Seung Kak Shin, Duck Joo Choi, Ju Hyun Kim, Yun Soo Kim, Oh Sang Kwon
Contrast-enhanced ultrasound (CEUS) is highly accurate in depicting the vascularity of liver nodules. The aim of this study was to verify the characteristics of CEUS in distinguishing small (≤3 cm) hepatocellular carcinoma (HCC) from intrahepatic cholangiocarcinoma (ICC).A total of 65 patients with a liver nodule (HCC, n = 58; ICC, n = 7) smaller than 3 cm who underwent liver CEUS and pathologic confirmation were retrospectively reviewed. CEUS findings were compared with histopathologic and clinical data...
October 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30300039/quantitative-dynamic-contrast-enhanced-ultrasound-may-help-predict-the-outcome-of-hepatocellular-carcinoma-after-microwave-ablation
#5
Yong Zhan, Fubo Zhou, Xiaoling Yu, Fei Luo, Fangyi Liu, Ping Liang, Zhigang Cheng, Zhiyu Han, Jie Yu
PURPOSE: Previous studies have reported that parameters of dynamic contrast-enhanced ultrasound (DCE-US) could predict prognosis of hepatocellular carcinoma (HCC) patients after antiangiogenic therapies. In this study, we aimed to investigate the correlation of DCE-US parameters and the prognosis of HCC patients after microwave ablation (MWA). MATERIALS AND METHODS: Between June 2012 and January 2018, a total of 35 HCC patients who received MWA with a curative intent were enrolled...
October 9, 2018: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/30249190/noncontrast-magnetic-resonance-imaging-versus-ultrasonography-for-hepatocellular-carcinoma-surveillance-miracle-hcc-study-protocol-for-a-prospective-randomized-trial
#6
Chansik An, Do Young Kim, Jin-Young Choi, Kwang Hyub Han, Yun Ho Roh, Myeong-Jin Kim
BACKGROUND: Biannual ultrasound (US)-with or without alpha-fetoprotein (AFP)-is recommended by current guidelines for the surveillance of hepatocellular carcinoma (HCC). However, the inadequate sensitivity of US has been a concern. Magnetic resonance imaging (MRI) is known to have high sensitivity in detecting hepatic malignancies, even without contrast enhancement. The purpose of our study is to compare US with noncontrast (unenhanced) MRI for HCC surveillance of high-risk patients. METHODS/DESIGN: MIRACLE-HCC (usefulness of noncontrast MagnetIc Resonance imAging versus nonContrast ultrasonography for surveiLlancE of HepatoCellular Carcinoma) is a prospective, single-center, nonblinded, balanced-randomized, parallel-group study...
September 24, 2018: BMC Cancer
https://www.readbyqxmd.com/read/30197484/differentiation-of-intrahepatic-cholangiocarcinoma-from-hepatocellular-carcinoma-in-high-risk-patients-a-predictive-model-using-contrast-enhanced-ultrasound
#7
COMPARATIVE STUDY
Li-Da Chen, Si-Min Ruan, Jin-Yu Liang, Zheng Yang, Shun-Li Shen, Yang Huang, Wei Li, Zhu Wang, Xiao-Yan Xie, Ming-De Lu, Ming Kuang, Wei Wang
AIM: To develop a contrast-enhanced ultrasound (CEUS) predictive model for distinguishing intrahepatic cholangiocarcinoma (ICC) from hepatocellular carcinoma (HCC) in high-risk patients. METHODS: This retrospective study consisted of 88 consecutive high-risk patients with ICC and 88 high-risk patients with HCC selected by propensity score matching between May 2004 and July 2016. Patients were assigned to two groups, namely, a training set and validation set, at a 1:1 ratio...
September 7, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/30173261/left-gluteal-metastasis-from-a-hepatocellular-carcinoma-an-unusual-finding
#8
Alina Maria Balea, Liliana Streba, Ananu Florentin Vreju, Michael Schenker, Daniela Larisa Săndulescu, Simona Bondari, Ioana Andreea Gheonea, Otilia Constantina Rogoveanu, Laurenţiu Mogoantă, Cristin Constantin Vere
Hepatocellular carcinoma (HCC) is the primary malignant tumor of the liver that is directly derived from parenchymal cells. It is usually encountered in patients already suffering from a long-established liver disease that has evolved past the stage of liver cirrhosis. It is usually associated with viral liver infections, alcohol consumption or other dietary habits that lead to liver damage. Metastases are not rare and are usually found incidentally after a period of monitoring the main liver disease. We present here a rare case of HCC metastasis found in the right gluteal region, in a hepatitis C virus-infected patient also displaying lung tumor lesions...
2018: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/30167771/li-rads-for-ct-diagnosis-of-hepatocellular-carcinoma-performance-of-major-and-ancillary-features
#9
Ayman Alhasan, Milena Cerny, Damien Olivié, Jean-Sébastien Billiard, Catherine Bergeron, Kip Brown, Paule Bodson-Clermont, Hélène Castel, Simon Turcotte, Pierre Perreault, An Tang
PURPOSE: To evaluate the diagnostic performance of Liver Imaging Reporting and Data System (LI-RADS) v2017 major features, the impact of ancillary features, and categories on contrast-enhanced computed tomography (CECT) for the diagnosis of hepatocellular carcinoma (HCC). MATERIALS AND METHODS: This retrospective study included 59 patients (104 observations including 72 HCCs) with clinical suspicion of HCC undergoing CECT between 2013 and 2016. Two radiologists independently assessed major and ancillary imaging features for each liver observation and assigned a LI-RADS category based on major features only and in combination with ancillary features...
August 30, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/30145629/pathological-variants-of-hepatocellular-carcinoma-on-mri-emphasis-on-histopathologic-correlation
#10
REVIEW
Hsien Min Low, Jin Young Choi, Cher Heng Tan
Hepatocellular carcinoma (HCC) is a unique tumor because it is one of the few cancers which can be treated based on imaging alone. Magnetic resonance imaging (MRI) carries higher sensitivity and specificity for the diagnosis of HCC than either computed tomography (CT) or ultrasound. MRI is imaging modality of choice for the evaluation of complex liver lesions and HCC because of its inherent ability to depict cellularity, fat, and hepatocyte composition with high soft tissue contrast. The imaging features of progressed HCC are well described...
August 25, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/30123363/the-preliminary-application-of-liver-imaging-reporting-and-data-system-li-rads-with-contrast-enhanced-ultrasound-ceus-on-small-hepatic-nodules-%C3%A2-2cm
#11
Wenwu Ling, Manni Wang, Xuelei Ma, Tingting Qiu, Jiawu Li, Qiang Lu, Yan Luo
To evaluate the diagnostic accuracy of liver imaging reporting and data system (LI-RADS) with contrast-enhanced ultrasound (CEUS) for patients at risk for hepatocellular carcinoma with hepatic nodules (≤2cm). We retrospectively evaluated 56 CEUS exam records of hepatic nodules (≤2cm) performed between January 2015 and July 2016 at West China hospital. Each nodule was classified into a LI-RADS-CEUS category by two radiologists according to imaging features. The ultimate CEUS categories were then compared with pathological reports and their correlation was then calculated...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/30115439/role-of-imaging-in-surveillance-and-diagnosis-of-hepatocellular-carcinoma
#12
REVIEW
Mohit Gupta, Helena Gabriel, Frank H Miller
The prognosis for hepatocellular carcinoma (HCC) is dependent on tumor stage at diagnosis, with curative treatment options more available to early-detected HCCs. Professional organizations have produced HCC screening guidelines in at-risk groups, with ultrasound the most commonly used screening tool and increased interest in MRI in specific populations. HCC may be diagnosed by imaging features alone and have been universally incorporated into management guidelines. The radiology community has standardized imaging criteria for HCC with the development of the Liver Imaging Reporting and Data System, which has expanded to incorporate computed tomography, MR, and contrast-enhanced ultrasound for diagnostic purposes...
September 2018: Gastroenterology Clinics of North America
https://www.readbyqxmd.com/read/30103307/savitzky-golay-filter-based-contrast-enhanced-ultrasound-quantification-in-hepatic-tumors-methodology-and-its-correlation-with-tumor-angiogenesis
#13
Shiyun Peng, Hong Ding, Tiantian Fu, Bengang Wang, Wenping Wang, Jinzhu Zhou
BACKGROUND: Savitzky-Golay filter is a digital filter used in data smoothing, we introduced a contrast-enhanced ultrasound (CEUS) quantification software based on the filter (SGCQ). OBJECTIVE: To explore the methodology of analyzing hepatic tumors hemodynamics applying SGCQ software and the correlation between SGCQ parameters and hepatocellular carcinoma (HCC) angiogenesis. METHODS: Nighty-seven right-lobe located hepatic mass cases (15 females and 82 males, mean age 58±10y, mean lesion size: 39...
August 4, 2018: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29951363/hepatocellular-carcinoma-diagnosis-treatment-algorithms-and-imaging-appearance-after-transarterial-chemoembolization
#14
REVIEW
Patrick Vande Lune, Ahmed K Abdel Aal, Sergio Klimkowski, Jessica G Zarzour, Andrew J Gunn
Hepatocellular carcinoma (HCC) is a common cause of cancer-related death, with incidence increasing worldwide. Unfortunately, the overall prognosis for patients with HCC is poor and many patients present with advanced stages of disease that preclude curative therapies. Diagnostic and interventional radiologists play a key role in the management of patients with HCC. Diagnostic radiologists can use contrast-enhanced computed tomography (CT), magnetic resonance imaging, and ultrasound to diagnose and stage HCC, without the need for pathologic confirmation, by following established criteria...
June 28, 2018: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/29904242/noninvasive-imaging-of-hepatocellular-carcinoma-from-diagnosis-to-prognosis
#15
REVIEW
Han-Yu Jiang, Jie Chen, Chun-Chao Xia, Li-Kun Cao, Ting Duan, Bin Song
Hepatocellular carcinoma (HCC) is the most common primary liver cancer and a major public health problem worldwide. Hepatocarcinogenesis is a complex multistep process at molecular, cellular, and histologic levels with key alterations that can be revealed by noninvasive imaging modalities. Therefore, imaging techniques play pivotal roles in the detection, characterization, staging, surveillance, and prognosis evaluation of HCC. Currently, ultrasound is the first-line imaging modality for screening and surveillance purposes...
June 14, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29879746/interobserver-agreement-for-contrast-enhanced-ultrasound-ceus-based-standardized-algorithms-for-the-diagnosis-of-hepatocellular-carcinoma-in-high-risk-patients
#16
Barbara Schellhaas, Lukas Pfeifer, Christian Kielisch, Ruediger Stephan Goertz, Markus F Neurath, Deike Strobel
OBJECTIVES:  This pilot study aimed at assessing interobserver agreement with two contrast-enhanced ultrasound (CEUS) algorithms for the diagnosis of hepatocellular carcinoma (HCC) in high-risk patients. METHODS:  Focal liver lesions in 55 high-risk patients were assessed independently by three blinded observers with two standardized CEUS algorithms: ESCULAP (Erlanger Synopsis of Contrast-Enhanced Ultrasound for Liver Lesion Assessment in Patients at risk) and ACR-CEUS-LI-RADSv...
June 7, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/29865043/differentiation-of-malignant-liver-tumors-by-software-based-perfusion-quantification-with-dynamic-contrast-enhanced-ultrasound-dceus
#17
Dane Wildner, Barbara Schellhaas, Daniel Strack, Ruediger S Goertz, Lukas Pfeifer, Cornelia Fießler, Markus F Neurath, Deike Strobel
BACKGROUNDEnhancement patterns on contrast-enhanced ultrasound (CEUS) help to distinguish different liver tumors. OBJECTIVE: Assessing the diagnostic value of dynamic contrast-enhanced ultrasound (DCEUS) for the discrimination of different malignant liver lesions. METHODS: 148 malignant focal liver lesions were assessed prospectively with DCEUS (hepatocellular carcinoma = HCC; cholangiocellular carcinoma = CCC; pancreatic adenocarcinoma = PCA; breast cancer = BC; colorectal cancer = CRC; melanoma = MM)...
May 25, 2018: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29804627/value-of-texture-analysis-based-on-enhanced-mri-for-predicting-an-early-therapeutic-response-to-transcatheter-arterial-chemoembolisation-combined-with-high-intensity-focused-ultrasound-treatment-in-hepatocellular-carcinoma
#18
J Y Yu, H P Zhang, Z Y Tang, J Zhou, X J He, Y Y Liu, X J Liu, D J Guo
AIM: To evaluate the potential value of texture analysis (TA) based on contrast-enhanced magnetic resonance imaging (MRI) for predicting an early response of patients with hepatocellular carcinoma (HCC) who were treated with transcatheter arterial chemoembolisation (TACE) combined with high-intensity focused ultrasound (HIFU). MATERIALS AND METHODS: Patients with HCC (n=89) who underwent contrast-enhanced MRI at 1.5 T 1 week before and 1 week, 1 month, and 3 months after TACE/HIFU were included in this retrospective study...
August 2018: Clinical Radiology
https://www.readbyqxmd.com/read/29758936/evaluation-of-integrated-color-coded-perfusion-analysis-for-contrast-enhanced-ultrasound-ceus-after-percutaneous-interventions-for-malignant-liver-lesions-first-results
#19
I Wiesinger, L P Beyer, N Zausig, N Verloh, P Wiggermann, C Stroszczynski, E M Jung
BACKGROUND:  With the rising number of percutaneous ablation therapies in malignant liver lesions there is a need of reliable diagnostics after the intervention to differentiate between reactive changes and tumor. PURPOSE: To assess the success of percutaneous ablation therapies for malignant liver lesions using CEUS with perfusion analysis. MATERIAL AND METHODS: Retrospective analysis of perfusion analysis for 67 patients with 94 malignant liver lesions, treated with ablation therapies...
2018: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29734449/-contrast-enhanced-ultrasound-liver-imaging-reporting-and-data-system-ceus-li-rads
#20
Christoph F Dietrich, Andrej Potthoff, Thomas Helmberger, Andre Ignee, Juergen K Willmann
The American College of Radiology (ACR) endorsed the Liver Imaging Reporting and Data System (LI-RADS) for standardized reporting and data collection of computed tomography (CT) and magnetic resonance (MR) imaging for hepatocellular carcinoma (HCC) in high-risk patients (liver cirrhosis). The LI-RADS imaging criteria are used to classify 'observations' from 'definitely benign' (LR-1) to 'definitely HCC' (LR-5) based on imaging criteria.Coincidently, the recent approval in the United States of a microbubble contrast agent for liver imaging (Lumason® , known as SonoVue® in Europe and elsewhere), LI-RADS...
May 2018: Zeitschrift Für Gastroenterologie
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