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Cirrhosis imaging

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https://www.readbyqxmd.com/read/29792748/portal-vein-thrombosis-imaging-the-spectrum-of-disease-with-an-emphasis-on-mri-features
#1
Reena C Jha, Satinderpal Singh Khera, Amit Dinesh Kalaria
OBJECTIVE: The purpose of this article is to review the classic and uncommon imaging findings of portal vein thrombosis (PVT) (acute, chronic, congenital, and septic thrombus) as visualized on multiple modalities, with an emphasis on MRI findings. Additional aims are to understand the imaging of obliterative portal venopathy and its clinical significance, appreciate morphologic changes of the biliary system that may accompany PVT, and recognize changes in liver enhancement patterns seen with PVT related to the hepatic arterial buffer response...
May 24, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29781162/predictors-of-ultrasound-failure-to-detect-hepatocellular-carcinoma
#2
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/29779314/-impact-of-psoas-muscle-index-on-early-postoperative-mortality-and-complications-after-liver-transplantation
#3
J C Hou, H Zheng, Z Qiang, Y M Zhang, W T Jiang, W Gao, J Z Cai, J J Zhang, Z Y Shen
Objective: To investigate the relationship between psoas muscle index (PMI) and early postoperative survival rate and the incidence of complications after liver transplantation in adults. Methods: The clinical data of 225 patients (male, n =184; female, n =41) underwent liver transplantation at the Organ Transplantation Department of First Central Clinic Institute of Tianjin Medical University from January 2014 to December 2016 were analyzed, retrospectively.Original disease: hepatitis B liver cirrhosis(44 cases), hepatitis C cirrhosis(10 cases), autoimmune liver cirrhosis(29 cases), other benign liver diseases(24 cases), liver cirrhosis with liver cancer(116 cases), hilar cholangiocarcinoma(1 case) and hepatic vascular sarcoma(1 case)...
May 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29761358/deep-learning-for-staging-liver-fibrosis-on-ct-a-pilot-study
#4
Koichiro Yasaka, Hiroyuki Akai, Akira Kunimatsu, Osamu Abe, Shigeru Kiryu
OBJECTIVES: To investigate whether liver fibrosis can be staged by deep learning techniques based on CT images. METHODS: This clinical retrospective study, approved by our institutional review board, included 496 CT examinations of 286 patients who underwent dynamic contrast-enhanced CT for evaluations of the liver and for whom histopathological information regarding liver fibrosis stage was available. The 396 portal phase images with age and sex data of patients (F0/F1/F2/F3/F4 = 113/36/56/66/125) were used for training a deep convolutional neural network (DCNN); the data for the other 100 (F0/F1/F2/F3/F4 = 29/9/14/16/32) were utilised for testing the trained network, with the histopathological fibrosis stage used as reference...
May 14, 2018: European Radiology
https://www.readbyqxmd.com/read/29760545/quantitative-assessment-of-hepatic-fibrosis-in-chronic-hepatitis-b-and-c-t1-mapping-on-gd-eob-dtpa-enhanced-liver-magnetic-resonance-imaging
#5
Shen Pan, Xiao-Qi Wang, Qi-Yong Guo
AIM: To assess the accuracy of Look-Locker on gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid (Gd-EOB-DTPA)-enhanced magnetic resonance imaging (MRI) for staging liver fibrosis in chronic hepatitis B/C (CHB/C). METHODS: We prospectively included 109 patients with CHB or CHC who underwent a 3.0-Tesla MRI examination, including T1-weighted and Look-Locker sequences for T1 mapping. Hepatocyte fractions (HeF) and relaxation time reduction rate (RE) were measured for staging liver fibrosis...
May 14, 2018: World Journal of Gastroenterology: WJG
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
#6
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/29741240/follow-up-magnetic-resonance-imaging-3d-magnetic-resonance-cholangiopancreatography-in-patients-with-primary-sclerosing-cholangitis-challenging-for-experts-to-interpret
#7
R Zenouzi, T Liwinski, J Yamamura, C Weiler-Normann, M Sebode, S Keller, A W Lohse, C Schramm
BACKGROUND: In patients with primary sclerosing cholangitis follow-up magnetic resonance imaging (MRI) with magnetic resonance cholangiopancreatography (MRCP) is performed by many centres, particularly for the early detection of biliary malignancies and strictures. Clinically meaningful MRI-based definitions of primary sclerosing cholangitis related complications are, however, lacking. AIM: To investigate how primary sclerosing cholangitis experts interpret follow-up MRI/MRCP with a focus on conclusions that may impact clinical decision-making in primary sclerosing cholangitis...
May 9, 2018: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29738109/sarcopenic-obesity-in-cirrhosis-the-confluence-of-two-prognostic-titans
#8
Tannaz Eslamparast, Aldo J Montano-Loza, Maitreyi Raman, Puneeta Tandon
Sarcopenia and obesity are two major health conditions with a growing prevalence in cirrhosis. The concordance of these two conditions, sarcopenic obesity, is associated with higher rates of mortality and impact on the metabolic profile and physical function than either condition alone. To date, there is little consensus surrounding the diagnostic criteria for sarcopenia, obesity or as a result, sarcopenic obesity in patients with cirrhosis. Cross-sectional imaging, although the most accurate diagnostic technique, has practical limitations for routine use in clinical practice...
May 8, 2018: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29737953/gadolinium-distribution-in-cerebrospinal-fluid-after-administration-of-a-gadolinium-based-mr-contrast-agent-in-humans
#9
Florian Berger, Rahel A Kubik-Huch, Tilo Niemann, Hans Ruedi Schmid, Michael Poetzsch, Johannes M Froehlich, Jürg H Beer, Michael J Thali, Thomas Kraemer
Purpose To evaluate whether gadolinium penetrates human cerebrospinal fluid (CSF) after MR imaging (MRI) with a gadolinium-based contrast agent (GBCA). Materials and Methods For this retrospective study, the authors analyzed 60 CSF samples from 57 patients (median age, 50 years; range, 3-92 years) who underwent one contrast material-enhanced MRI examination with gadoterate meglumine within 60 days of CSF extraction between January and December 2016. CSF samples from patients who underwent MRI without contrast material administration (n = 22) or those who underwent contrast-enhanced MRI at least 1 year before extraction (n = 2) were analyzed and used as control samples...
May 8, 2018: Radiology
https://www.readbyqxmd.com/read/29734449/-contrast-enhanced-ultrasound-liver-imaging-reporting-and-data-system-ceus-li-rads
#10
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/29732007/dwi-histology-a-possible-means-of-determining-degree-of-liver-fibrosis
#11
Niklas Verloh, Kirsten Utpatel, Michael Haimerl, Florian Zeman, Claudia Fellner, Marc Dahlke, Philipp Renner, Timo Seyfried, Martina Müller, Christian Stroszczynski, Matthias Evert, Philipp Wiggermann
Objectives: The aim of this study was to determine the diagnostic value of diffusion-weighted MRI of the liver at 3T to classify liver fibrosis/cirrhosis. Methods: 62 patients who underwent both histopathological examination and diffusion-weighted imaging of the liver via 3T MRI within a period of 3 months were included in the study. The Ishak score (1-6) was used to determine the degree of fibrosis: No liver fibrosis (NLF; Ishak 0, n = 16), mild liver fibrosis (MLF; Ishak 1-2, n = 23), advanced liver fibrosis (ALF; Ishak 3-5, n = 12), and liver cirrhosis (LC; Ishak 6, n = 11)...
April 13, 2018: Oncotarget
https://www.readbyqxmd.com/read/29730602/deep-learning-radiomics-of-shear-wave-elastography-significantly-improved-diagnostic-performance-for-assessing-liver-fibrosis-in-chronic-hepatitis-b-a-prospective-multicentre-study
#12
Kun Wang, Xue Lu, Hui Zhou, Yongyan Gao, Jian Zheng, Minghui Tong, Changjun Wu, Changzhu Liu, Liping Huang, Tian'an Jiang, Fankun Meng, Yongping Lu, Hong Ai, Xiao-Yan Xie, Li-Ping Yin, Ping Liang, Jie Tian, Rongqin Zheng
OBJECTIVE: We aimed to evaluate the performance of the newly developed deep learning Radiomics of elastography (DLRE) for assessing liver fibrosis stages. DLRE adopts the radiomic strategy for quantitative analysis of the heterogeneity in two-dimensional shear wave elastography (2D-SWE) images. DESIGN: A prospective multicentre study was conducted to assess its accuracy in patients with chronic hepatitis B, in comparison with 2D-SWE, aspartate transaminase-to-platelet ratio index and fibrosis index based on four factors, by using liver biopsy as the reference standard...
May 5, 2018: Gut
https://www.readbyqxmd.com/read/29729258/compliance-with-hepatocellular-carcinoma-surveillance-guidelines-associated-with-increased-lead-time-adjusted-survival-of-patients-with-compensated-viral-cirrhosis
#13
Charlotte Costentin, Richard Layese, Valérie Bourcier, Carole Cagnot, Patrick Marcellin, Dominique Guyader, Stanislas Pol, Dominique Larrey, Victor De Lédinghen, Denis Ouzan, Fabien Zoulim, Dominique Roulot, Albert Tran, Jean-Pierre Bronowicki, Jean-Pierre Zarski, Ghassan Riachi, Paul Calès, Jean-Marie Péron, Laurent Alric, Marc Bourlière, Philippe Mathurin, Jean-Frédéric Blanc, Armand Abergel, Lawrence Serfaty, Ariane Mallat, Jean-Didier Grangé, Pierre Attali, Yannick Bacq, Claire Wartelle, Thông Dao, Dominique Thabut, Christophe Pilette, Christine Silvain, Christos Christidis, Eric Nguyen-Khac, Brigitte Bernard-Chabert, David Zucman, Vincent Di Martino, Angela Sutton, Eric Letouzé, Sandrine Imbeaud, Jessica Zucman-Rossi, Etienne Audureau, Françoise Roudot-Thoraval, Pierre Nahon
BACKGROUND AND AIMS: Semi-annual surveillance for hepatocellular carcinoma (HCC) is recommended for patients with cirrhosis. We aimed to determine how compliance with HCC surveillance guidelines affects survival times of patients with hepatitis C virus (HCV)- or HBV-associated compensated cirrhosis who developed HCC. METHODS: We collected data from the prospective ANRS CO12 CirVir study, from March 2006 through June 2012, on 1671 patients with biopsy-proven viral cirrhosis and no previous liver complications who were undergoing surveillance for HCC at 35 centers in France...
May 2, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29724520/long-term-toxicity-after-transarterial-radioembolization-with-yttrium-90-using-resin-microspheres-for-neuroendocrine-tumor-liver-metastases
#14
Yuki Tomozawa, Younes Jahangiri, Priya Pathak, Kenneth J Kolbeck, Ryan C Schenning, John A Kaufman, Khashayar Farsad
PURPOSE: To evaluate long-term effects of yttrium-90 (90 Y) transarterial radioembolization (TARE) for unresectable hepatic metastases of neuroendocrine tumors (NETs). MATERIALS AND METHODS: Retrospective analysis of 93 patients (47 women, 46 men; mean age 59 y) who underwent resin-based 90 Y TARE was performed. Variables associated with overall survival were analyzed using univariate and multivariate models. Changes in serologic values and imaging characteristics were assessed with long-term follow-up...
April 30, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/29722188/haemochromatosis-a-clinical-update-for-the-practising-physician
#15
Daniel E Radford-Smith, Elizabeth E Powell, Lawrie W Powell
Haemochromatosis is most commonly due to the autosomal recessive inheritance of a C282Y substitution in the HFE protein, whereby both alleles of the corresponding gene are affected. The disease is characterised by an inappropriate increase in intestinal iron absorption due to reduced expression of the iron regulatory protein, hepcidin. Progressive iron deposition in parenchymal tissues may ultimately lead to liver and other organ toxicity. The characteristic biochemical abnormalities are raised serum ferritin and transferrin saturation, which can be used in conjunction with genetic tests and emerging magnetic resonance imaging-based techniques to diagnose patients with the disorder...
May 2018: Internal Medicine Journal
https://www.readbyqxmd.com/read/29720856/%C3%AE-on-invasive-screening-for-esophageal-varices-in-patients-with-liver-cirrhosis
#16
REVIEW
Andreas Karatzas, Christos Konstantakis, Ioanna Aggeletopoulou, Christina Kalogeropoulou, Konstantinos Thomopoulos, Christos Triantos
Esophageal varices are one of the main complications of liver cirrhosis. Upper gastrointestinal endoscopy is the gold standard for the detection of esophageal varices. Many less invasive methods for screening of varices have been investigated and the most recent Baveno VI guidelines suggest that endoscopy is not necessary in patients with liver stiffness <20 kPa and platelets >150,000/μL. A critical review of the literature was performed concerning non-invasive or minimally invasive methods of screening for esophageal varices...
May 2018: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/29718836/gallbladder-perforation-in-a-patient-with-alcoholic-liver-cirrhosis-and-asymptomatic-gallstones-a-case-report
#17
Xiaoju Shi, Shuo Jin, Siyuan Wang, Weijie Tao, Guangyi Wang
RATIONALE: Gallbladder perforation is a relatively uncommon complication of alcoholic liver cirrhosis and may happen with or without gallstones. PATIENT CONCERNS: Here we report a 52-year-old male patient who was diagnosed as gallbladder perforation with chronic liver cirrhosis and asymptomatic gallstones. The patient was admitted with acute and severe abdominal pain during weight-bearing physical labor. He had a history of alcoholic liver cirrhosis but no chronic abdominal pain or gallstones...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29709682/low-subcutaneous-adiposity-associates-with-higher-mortality-in-female-patients-with-cirrhosis
#18
Maryam Ebadi, Puneeta Tandon, Carlos Moctezuma-Velazquez, Sunita Ghosh, Vickie E Baracos, Vera C Mazurak, Aldo J Montano-Loza
BACKGROUND & AIMS: Two main body compartments, skeletal muscle and adipose tissue, exhibit independent functions. We aimed to explore the prognostic significance of skeletal muscle, visceral and subcutaneous adipose tissue, according to sex, in patients with cirrhosis assessed for liver transplantation (LT). METHODS: CT images taken at the 3rd. lumbar vertebra from 677 patients were quantified for three body composition indexes (cm2 /m2 ), visceral adipose tissue index (VATI), subcutaneous adipose tissue index (SATI), and skeletal muscle index (SMI)...
April 27, 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29708786/differentiation-between-hepatocellular-carcinoma-showing-hyperintensity-on-the-hepatobiliary-phase-of-gadoxetic-acid-enhanced-mri-and-focal-nodular-hyperplasia-by-ct-and-mri
#19
Azusa Kitao, Osamu Matsui, Norihide Yoneda, Ryuichi Kita, Kazuto Kozaka, Satoshi Kobayashi, Toshifumi Gabata
OBJECTIVE: The purpose of this study is to identify points useful in the imaging differentiation of hepatocellular carcinoma (HCC) showing hyperintensity on the hepatobiliary phase of gadoxetic acid-enhanced MRI and focal nodular hyperplasia (FNH) and FNH-like nodules. MATERIALS AND METHODS: We enrolled consecutive 51 pathologically diagnosed HCCs that were hyperintense on hepatobiliary phase imaging (47 patients, including 44 with cirrhosis) and 10 FNHs and eight FNH-like nodules (16 patients, including five with cirrhosis)...
April 30, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29700216/-in-vivo-imaging-of-hepatic-neutrophil-migration-in-severe-alcoholic-hepatitis-with-111-in-radiolabelled-leucocytes
#20
Jonathan R Potts, Neda Farahi, Mark R Howard, Mark R Taylor, Sarah Heard, Arun N Shankar, Graeme J Alexander, Edwin R Chilvers, Sumita Verma, A Michael Peters
The study aim was to image severe alcoholic hepatitis (SAH) using 111 In-labelled leucocytes with two objectives in mind: firstly for non-invasive diagnosis and secondly to provide a platform for experimental therapies aiming to inhibit intrahepatic neutrophil migration. 111 In-leucocyte scintigraphy was performed 30 min and 24 h post-injection in 19 patients with SAH, 14 abstinent patients with alcohol-related cirrhosis and 11 normal controls. Eleven with SAH and 7 with cirrhosis also had 99m Tc-nanocolloid scintigraphy...
April 26, 2018: Bioscience Reports
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