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Hepatocellular carcinoma, imaging

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https://www.readbyqxmd.com/read/29791202/different-mr-features-for-differentiation-of-intrahepatic-mass-forming-cholangiocarcinoma-from-hepatocellular-carcinoma-according-to-tumor-size
#1
Ting Ni, Xiao-Sha Shang, Wen-Tao Wang, Xin-Xing Hu, Meng-Su Zeng, Sheng-Xiang Rao
OBJECTIVE: To identify reliable magnetic resonance (MR) features for distinguishing IMCC from hepatocellular carcinoma (HCC) based on tumor size. METHODS: This retrospective study included 395 patients with pathologically confirmed IMCCs (n = 180) and HCCs (n = 215) who underwent preoperative contrast-enhanced MR imaging including diffusion weighted imaging (DWI). MR features were evaluated and clinical data were also recorded. All the characteristics were compared in small (≤3 cm) and large tumor (>3 cm) groups by univariate analysis and subsequently calculated by multivariable logistic regression analysis...
May 23, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29788872/recent-advances-in-magnetic-nanoparticle-based-molecular-probes-for-hepatocellular-carcinoma-diagnosis-and-therapy
#2
Qi Zhang, Sudan Wang, Ruirui Qiao, Michael Whittaker, John Quinn, Thomas P Davis, Hongjun Li
Hepatocellular carcinoma (HCC) is one of the most common cancers worldwide, leading to the second most likely cause of cancer-related deaths. Medical imaging is crucial in clinic for HCC screening and diagnosis. Due to the relatively high special resolution and excellent sensitivity, magnetic resonance imaging (MRI) by using magnetic nanoparticle-based contrast agents has been used so far in HCC imaging and staging, demonstrating great potential and promising in vivo applications. This review focuses on the use of different magnetic nanoparticles for construction of HCC nanoprobes for MR imaging and theranostic purpose...
May 15, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29787493/computed-diffusion-weighted-imaging-of-the-liver-using-extrapolation-technique-in-patients-who-underwent-liver-transplantation-with-hepatocellular-carcinomas-initial-experience-and-feasibility-study
#3
Michael Yong Park, Joon-Il Choi, Hon Yu, Chandana Lall
OBJECTIVE: This study aimed to evaluate the feasibility and image quality of computed diffusion weighted imaging (DWI) of the liver in patients with hepatocellular carcinoma (HCC). METHODS: Twenty-four patients who underwent liver transplantation with HCC were enrolled. Computed DWI was synthesized for b-values of 800 (cDWI800) and 1200 s/mm (cDWI1200) using directly acquired DWI with b-values of 0, 50, and 500 s/mm. Signal intensity of HCC, background liver, and contrast-to-noise ratio were evaluated for directly acquired DWI of 800 s/mm (dDWI800), cDWI800, and cDWI1200...
May 21, 2018: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/29781162/predictors-of-ultrasound-failure-to-detect-hepatocellular-carcinoma
#4
Mariya L Samoylova, Neil Mehta, John P Roberts, Francis Y Yao
Current guidelines recommend ultrasound (US) for hepatocellular carcinoma (HCC) surveillance in cirrhosis. We assess predictors of decreased US sensitivity for detecting HCC. At a single U.S. center, all HCC patients evaluated for liver transplant (LT) receive an abdominal US. In consecutive patients presenting 2007-2015, untreated lesions found on CT/MRI within 3 months of US were compared with US findings. Multivariable logistic regression models compared US sensitivities by patient characteristics. Of 1008 patients completing LT evaluation, 47...
May 21, 2018: Liver Transplantation
https://www.readbyqxmd.com/read/29780557/pd-nanosheets-with-their-surface-coordinated-by-radioactive-iodide-as-a-high-performance-theranostic-nanoagent-for-orthotopic-hepatocellular-carcinoma-imaging-and-cancer-therapy
#5
Mei Chen, Zhide Guo, Qinghua Chen, Jingping Wei, Jingchao Li, Changrong Shi, Duo Xu, Dawang Zhou, Xianzhong Zhang, Nanfeng Zheng
Radiolabeled nanoparticles (NPs), taking advantage of nanotechnology and nuclear medicine, have shown attractive potential for cancer diagnosis and therapy. However, the high background signal in the liver and long-term toxic effects of radioisotopes caused by the nonselective accumulation of radiolabeled nanoparticles in organs have become the major challenges. Here, we report a pH-sensitive multifunctional theranostic platform with radiolabeled Pd nanosheets through a simple mixture of ultra-small Pd nanosheets and radioisotopes utilizing the strong adsorption of 131 I and 125 I on their surfaces (denoted as 131 I-Pd-PEG or 125 I-Pd-PEG)...
May 14, 2018: Chemical Science
https://www.readbyqxmd.com/read/29777796/identification-of-a-sodium-pump-na-k-atpase-%C3%AE-1-targeted-peptide-for-pet-imaging-of-breast-cancer
#6
Qian Wang, Shi-Bing Li, Yi-Ying Zhao, Da-Nian Dai, Hui Du, Yan-Zhu Lin, Jia-Cong Ye, Jing Zhao, Wei Xiao, Yan Mei, Yi-Tai Xiao, Shi-Chu Liu, Yan Li, Yun-Fei Xia, Er-Wei Song, Gang-Hua Tang, Wei-Guang Zhang, Zhi-Jiang Li, Xiao-Bin Zheng, De-Hai Cao, Man-Zhi Li, Qian Zhong, Zhong-Ping Chen, Chao-Nan Qian, Wei Fan, Guo-Kai Feng, Mu-Sheng Zeng
The sodium pump Na+ /K+ ATPase a1 subunit(NKA a1), an attractive cancer-related biomarker and therapeutic target, is closely related to the development and progression of several cancers including breast cancer. Currently, a NKA a1 inhibitor, UNBS1450, has already evidenced its great therapeutic potential in personalized cancer treatment. The ability of non-invasive imaging of NKA a1 expression would be useful for selecting cancer patients who may benefit from this drug. Here, we identified an S3 peptide that is specifically homed to breast cancer by phage display...
May 16, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29774382/iodine-material-density-images-in-dual-energy-ct-quantification-of-contrast-uptake-and-washout-in-hcc
#7
Daniela Pfeiffer, Anushri Parakh, Manuel Patino, Avinash Kambadakone, Ernst J Rummeny, Dushyant V Sahani
PURPOSE: To determine the diagnostic potential of Material Density (MD) iodine images in dual-energy CT (DECT) for visualization and quantification of arterial phase hyperenhancement and washout in hepatocellular carcinomas compared to magnetic resonance imaging (MRI). MATERIALS AND METHODS: The study complied with HIPAA guidelines and was approved by the ethics committee of the institutional review board. Thirty-one patients (23 men, 8 women; age range, 36-87 years) with known or suspected Hepatocellular Carcinoma (HCC) were included...
May 17, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29771954/preoperative-prediction-of-microvascular-invasion-of-hepatocellular-carcinoma-with-ivim-diffusion-weighted-mr-imaging-and-gd-eob-dtpa-enhanced-mr-imaging
#8
Wei Zhao, Wenguang Liu, Huaping Liu, Xiaoping Yi, Jiale Hou, Yigang Pei, Hui Liu, Deyun Feng, Liyu Liu, Wenzheng Li
Microvascular invasion (MVI) is regarded as one of the independent risk factors for recurrence and poor prognosis of hepatocellular carcinoma (HCC). The presence of MVI in HCCs was evaluated on the basis of pathological reports of surgical specimens and was defined as tumor within a vascular space lined by endothelium that was visible only on microscopy. The aim of the study was to investigate the usefulness of intravoxel incoherent motion (IVIM) diffusion weighted (DW) magnetic resonance (MR) imaging in predicting MVI of HCC...
2018: PloS One
https://www.readbyqxmd.com/read/29760585/mir-93-5p-enhance-lacrimal-gland-adenoid-cystic-carcinoma-cell-tumorigenesis-by-targeting-brms1l
#9
Jie Hao, Xin Jin, Yan Shi, Hong Zhang
Background: Lacrimal adenoid cystic carcinoma (LACC) is one of the most common malignancies that affects lacrimal gland. MicroRNAs are known to play a crucial role as oncogenes or tumor suppressors. Specifically, miR-93 has been reported to play a crucial role in colorectal, breast, pancreatic, lung cancer and hepatocellular carcinoma. However, the role of miR-93 in LACC and the potential molecular mechanisms involved remain unknown. Therefore, we took the challenge to determine the involvement of miR-93 in the LACC by targeting BRMS1L...
2018: Cancer Cell International
https://www.readbyqxmd.com/read/29750794/apparent-diffusion-coefficient-of-hepatocellular-carcinoma-on-diffusion-weighted-imaging-histopathologic-tumor-grade-versus-arterial-vascularity-during-dynamic-magnetic-resonance-imaging
#10
In Kyung Park, Jeong-Sik Yu, Eun-Suk Cho, Joo Hee Kim, Jae-Joon Chung
OBJECTIVES: Apparent diffusion coefficient (ADC) has been suggested to reflect the tumor grades of hepatocellular carcinomas (HCCs); i.e., it can be used as a biomarker to predict the patients' prognosis. To verify its feasibility as a biomarker, the present study sought to determine how the ADC values of HCC are affected by a tumor's histopathologic grade and arterial vascularity. MATERIALS AND METHODS: From 131 consecutive patients, 141 surgically resected HCCs (16 well-differentiated [wd-HCCs], 83 moderately-differentiated [md-HCCs], and 42 poorly-differentiated HCCs [pd-HCCs]) were subjected to a comparison of the tumors' arterial vascularity (non-, slightly-, or markedly-hypervascular) determined on dynamic magnetic resonance imaging (MRI) and the ADC was measured retrospectively...
2018: PloS One
https://www.readbyqxmd.com/read/29750532/proteomic-analysis-and-nir-ii-imaging-of-mcm2-protein-in-hepatocellular-carcinoma
#11
Jing Yang, Qi Xie, Hui Zhou, Lei Chang, Wei Wei, Yin Wang, Hong Li, Zixin Deng, Yuling Xiao, Junzhu Wu, Ping Xu, Xuechuan Hong
Targeted therapy of hepatocellular carcinoma (HCC) is essential for improved therapies. Therefore, identification of key targets specifically to HCC is an urgent requirement. Herein, an iTRAQ quantitative proteomic approach was employed to identify differentially expressed proteins in HCC tumor tissues. Of the upregulated tumor related proteins, minichromosome maintenance 2 (MCM2), a DNA replication licensing factor was one of the most significantly altered proteins, and its overexpression was confirmed using tissue microarray...
May 11, 2018: Journal of Proteome Research
https://www.readbyqxmd.com/read/29747235/pure-laparoscopic-hepatectomy-with-augmented-reality-assisted-indocyanine-green-fluorescence-versus-open-hepatectomy-for-hepatocellular-carcinoma-with-liver-cirrhosis-a-propensity-analysis-at-a-single-center
#12
Tan To Cheung, Ka Wing Ma, Wong Hoi She, Wing Chiu Dai, Simon Hing Yin Tsang, Albert Chi Yan Chan, Kenneth Siu Ho Chok, Chung Mau Lo
INTRODUCTION: Laparoscopic hepatectomy is considered an acceptable treatment of choice in selected patients with primary hepatocellular carcinoma (HCC). Whether indocyanine green (ICG) immunofluorescence, a new technology, may improve surgery outcomes has yet to be tested. The aim of the present study was to investigate and compare the effect of ICG fluorescence imaging on the outcomes of pure laparoscopic hepatectomy and open hepatectomy for primary HCC with background cirrhosis. METHODS: From January 2015 to June 2016, 20 patients with HCC and liver cirrhosis underwent laparoscopic hepatectomy with ICG immunofluorescence...
May 10, 2018: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/29745953/targeted-polypyrrole-nanoparticles-for-the-identification-and-treatment-of-hepatocellular-carcinoma
#13
Yushen Jin, Xin Yang, Jie Tian
Early identification and treatment of hepatocellular carcinoma is very important for improving the prognosis and survival rate of the patient. To enhance the visualization and treatment efficiency of HCC, a theranostic agent has been developed that combines photoacoustic/fluorescence imaging with photothermal therapy for cancer. We report the synthesis of multifunctional theranostic SP94-modified polypyrrole (PPy)-BSA-ICG nanoparticles by a simple method. The multifunctional theranostic agent helped to combine two modes of imaging modalities, i...
May 10, 2018: Nanoscale
https://www.readbyqxmd.com/read/29745518/-research-and-application-of-18-f-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-for-the-diagnosis-and-treatment-of-primary-hepatocellular-carcinoma
#14
REVIEW
Wei Wang, Jinhui You
Primary hepatocellular carcinoma is a common cancer. Many patients are found with intermediate-advanced stage, rapid development, poor treatment and high mortality. 18 F-fluorodeoxyglucose positron emission tomography/computed tomography ( 18 F-FDG PET/CT) can discover the early lesions and therefore plays an important role in diagnosis, treatment and prognosis of patients with hepatocellular carcinoma. It especially has obvious advantages in detecting metastasis and monitoring recurrence. However, 18 F-FDG PET/CT imaging has poor quality and low diagnosis rate...
June 1, 2017: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
https://www.readbyqxmd.com/read/29737948/heat-stress-and-hepatic-laser-thermal-ablation-induce-hepatocellular-carcinoma-growth-role-of-pi3k-mtor-akt-signaling
#15
Danielle E Jondal, Scott M Thompson, Kim A Butters, Bruce E Knudsen, Jill L Anderson, Rickey E Carter, Lewis R Roberts, Matthew R Callstrom, David A Woodrum
Purpose To determine if heat stress and hepatic laser thermal ablation induce hepatocellular carcinoma (HCC) growth and to identify growth factors induced by heat stress. Materials and Methods Non-heat-stressed HCC cells were cocultured with HCC cells or hepatocytes that were heat stressed at 37°C (physiologic), 45°C (moderate), or 50°C (severe) for 10 minutes and proliferation monitored with bioluminescence imaging for up to 6 days after heat stress (three experiments). Rats bearing orthotopic N1S1 HCC were randomly assigned to undergo immediate sham or laser thermal (3 W for 60 or 90 seconds; hereafter, 3W×60s and 3W×90s, respectively) ablation of the median (local) or left (distant) hepatic lobe, and tumor growth was monitored with magnetic resonance imaging for up to 18 days after ablation (six or more rats per group)...
May 8, 2018: Radiology
https://www.readbyqxmd.com/read/29737070/-diagnostic-performance-of-susceptibility-weighted-imaging-in-the-grading-of-hepatocellular-carcinoma
#16
Ting Duan, Jie Chen, Chun-Chao Xia, Bin Song
OBJECTIVE: To test the capability of intratumoral susceptibility signal intensity (ITSS) in the differentiation of hepatocellular carcinoma (HCC) grades. METHODS: Retrospective reviews of 53 patients with pathologically proven HCCs were performed. All patients underwent both conventional MRI and SWI examinations. The morphological score of ITSS and the number of ITSS per square centimeter were calculated,then compared among low-grade and high-grade HCCs. Spearman correlation coefficients were determined between the morphological scores of ITSS,the number of ITSS per square centimeter and HCC grades...
March 2018: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/29737069/-predicting-histological-grade-of-hcc-in-rats-using-intravoxel-incoherent-motion-imaging
#17
Mou Li, Xing-Ju Zheng, Zi-Xing Huang, Bin Song
OBJECTIVE: To predict histological grade of hepatocellular carcinoma (HCC) in Wistar rats using intravoxel incoherent motion imaging (IVIM) with magnetic resonance imaging (MRI). METHODS: Liver lesions of HCC rat models induced by oral diethylnitrosamine (DEN) were scanned by IVIM to obtain apparent diffusion coefficient (ADC) and IVIM parameters,including true diffusion coefficient (D),pseudodiffusion coefficient (D*) and perfusion fraction (f). These HCC lesions were confirmed by Hematoxylin-Eosin (HE) stain and pathologically graded into low (grade Ⅰ+Ⅱ) and high (grade Ⅲ+Ⅳ) using the Edmondson-Steiner method...
March 2018: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/29735443/-differential-diagnosis-of-hepatocellular-carcinoma-and-hepatic-hemangiomas-based-on-radiomic-features-of-gadoxetate-disodium-enhanced-magnetic-resonance-imaging
#18
Mao-Dong Chen, Jing Zhang, Gui-Xiang Yang, Jie-Min Lin, Yan-Qiu Feng
OBJECTIVE: To evaluate the feasibility of using radiomic features for differential diagnosis of hepatocellular carcinoma (HCC) and hepatic cavernous hemangioma (HHE). METHODS: Gadoxetate disodium-enhanced magnetic resonance imaging data were collected from a total of 135 HCC and HHE lesions. The radiomic texture features of each lesion were extracted on the hepatobiliary phase images, and the performance of each feature was assessed in differentiation and classification of HCC and HHE...
April 20, 2018: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/29734449/-contrast-enhanced-ultrasound-liver-imaging-reporting-and-data-system-ceus-li-rads
#19
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
https://www.readbyqxmd.com/read/29730738/short-term-reproducibility-of-radiomic-features-in-liver-parenchyma-and-liver-malignancies-on-contrast-enhanced-ct-imaging
#20
Thomas Perrin, Abhishek Midya, Rikiya Yamashita, Jayasree Chakraborty, Tome Saidon, William R Jarnagin, Mithat Gonen, Amber L Simpson, Richard K G Do
PURPOSE: To evaluate the short-term reproducibility of radiomic features in liver parenchyma and liver cancers in patients who underwent consecutive contrast-enhanced CT (CECT) with intravenous iodinated contrast within 2 weeks by chance. METHODS: The Institutional Review Board approved this HIPAA-compliant retrospective study and waived the requirement for patients' informed consent. Patients were included if they had a liver malignancy (liver metastasis, n = 22, intrahepatic cholangiocarcinoma, n = 10, and hepatocellular carcinoma, n = 6), had two consecutive CECT within 14 days, and had no prior or intervening therapy...
May 5, 2018: Abdominal Radiology
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