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PubMed Journals Articles About "Current Imaging Techniques Noninvasive Staging Hepatic Fibrosis" RSS

04:42 EDT 22nd May 2019 | BioPortfolio

Current Imaging Techniques Noninvasive Staging Hepatic Fibrosis PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Current Imaging Techniques Noninvasive Staging Hepatic Fibrosis articles that have been published worldwide.

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Showing "Current Imaging Techniques Noninvasive Staging Hepatic Fibrosis" PubMed Articles 1–25 of 28,000+

Current Imaging Techniques for Noninvasive Staging of Hepatic Fibrosis.

The purpose of this article is to discuss quantitative methods of CT, MRI, and ultrasound (US) for noninvasive staging of hepatic fibrosis. Hepatic fibrosis is the hallmark of chronic liver disease (CLD), and staging by random liver biopsy is invasive and prone to sampling errors and subjectivity. Several noninvasive quantitative imaging methods are under development or in clinical use. The accuracy, precision, technical aspects, advantages, and disadvantages of each method are discussed.


Study on diagnostic value of extracellular volume imaging by magnetic resonance imaging for liver fibrosis of hepatitis B.

To investigate the diagnostic value of extracellular volume (ECV) imaging by magnetic resonance imaging for liver fibrosis of hepatitis B. A retrospective analysis was recruited in patients with chronic hepatitis B, who underwent liver surgery from April to October 2017 for pathological evaluation of liver tissues, and all patients underwent Gd-EOB-DTPA-enhanced T1 mapping to calculate the liver ECV score. The correlation between ECV and staging of hepatic fibrosis and inflammatory activity were compared t...

Assessing liver fibrosis without biopsy in patients with HCV or NAFLD.

Staging of liver fibrosis is increasingly done using noninvasive methods, in some cases obviating the need for liver biopsy. Scores based on laboratory values and demographic variables have been developed and validated for assessing fibrosis in patients with hepatitis C virus (HCV) infection and nonalcoholic fatty liver disease (NAFLD), as have several imaging methods that measure shear-wave velocity, a reflection of fibrosis severity.


Diagnostic accuracy of acoustic radiation force impulse elastography (ARFI) in comparison to other non-invasive modalities in staging of liver fibrosis in chronic HCV patients: single-center experience.

To evaluate the reliability of ARFI elastography for liver fibrosis staging and compare it to other non-invasive assessment of hepatic fibrosis (FIB-4 and APRI) in chronic HCV (CHC) patients.

Investigation on diagnosing hepatic fibrosis with X-ray diffraction-enhanced imaging.

X-ray diffraction-enhanced imaging (DEI) method was used to image hepatic fibrous samples, and the texture measurements based on DEI images were calculated and analyzed for investigating the feasibility of diagnosing fibrosis quantitatively.

Chronic hepatitis C infection - Noninvasive assessment of liver fibrosis in the era of direct acting antivirals.

Significant advancements in the diagnosis and treatment of chronic hepatitis C infection and its associated fibrosis have revolutionized treatment of these patients over the last several years. Liver biopsy, the gold standard diagnostic method for evaluating liver fibrosis level, was routinely used prior to initiation of hepatitis C therapy, placing patients at an inherent risk of adverse events. The recent advent of noninvasive serologic and nonserologic measures of hepatic fibrosis level has reduced the n...

lncRNA GAS5 Restrains CCl-Induced Hepatic Fibrosis by Targeting miR-23a through the PTEN/PI3K/Akt Signaling Pathway.

Hepatic fibrosis is chronic liver damage with many causes that has a relatively high death rate. The current study showed that lncRNA GAS5, miR-23a and PTEN play important roles in the pathological process of hepatic fibrosis but have a relatively unclear regulatory mechanism. This study aimed to investigate the roles of lncRNA GAS5, miR-23a and PTEN in the pathological process of hepatic fibrosis and HSC activation. We used CCl intraperitoneal injections to establish a rat hepatic fibrosis model and exogen...

MiR-542-3p controls hepatic stellate cell activation and fibrosis via targeting BMP-7.

There has been an increasing number of studies about microRNAs as key regulators in the development of hepatic fibrosis. Here, we demonstrate that miR-542-3p can promote hepatic fibrosis by downregulating the expression of bone morphogenetic protein 7 (BMP-7), which is known to antagonize transforming growth factor β1 (TGFβ1)-mediated fibrogenesis effect. The expression of miR-542-3p is increased in activated hepatic stellate cells (HSCs). Downregulation of MiR-542-3p by antisense inhibitors can inhibit H...

Ameliorates Thioacetamide-Induced Hepatic Fibrosis via TGF-β1/Smads Pathways.

Hepatic fibrosis, characterized by persistent deposition of extracellular matrix (ECM) proteins, occurs in most types of chronic liver disease. The prevention of liver damage using extract of has been widely studied, but its molecular mechanism on the therapeutic efficacy of hepatic fibrosis is unclear. The aim of this study was to assess whether aquatic extract (DM) of ameliorates thioacetamide (TAA)-induced hepatic fibrosis. Hepatic fibrosis was induced by an intraperitoneal (i.p.) injection (150 mg/kg,...

Diagnostic Accuracy of Non-Invasive Fibrosis Models to Detect Change in Fibrosis Stage.

Noninvasive methods are needed to determine disease stage in patients with nonalcoholic fatty liver disease (NAFLD). We evaluated the diagnostic performance of several widely available fibrosis models for the assessment of hepatic fibrosis in patients with NAFLD.

Influence of hepatic fibrosis and inflammation: Correlation between histopathological changes and Gd-EOB-DTPA-enhanced MR imaging.

To evaluate the influence of an active inflammatory process in the liver on Gd-EOB-DTPA-enhanced MR imaging in patients with different degrees of fibrosis/cirrhosis.

Imaging features of thalassaemia.

This article highlights the range of osseous findings that can be encountered as well as the imaging features of extramedullary haematopoiesis. As iron overload remains a major cause of morbidity and mortality in these disorders, we also discuss the MRI evaluation of hepatic and cardiac hemosiderosis, to aid in the optimization of iron chelation therapy. Future imaging use will be dictated by evolving clinical needs, such as in screening for emerging morbidities, including hepatic fibrosis and hepatocellula...

Assessing liver fibrosis in chronic hepatitis B using MR extracellular volume measurements: Comparison with serum fibrosis indices.

To evaluate the diagnostic value of liver extracellular volume (ECV) measurement by equilibrium MR in staging liver fibrosis in chronic hepatitis B (CHB) patients, and to compare its performance with serum fibrosis indices.

The role of the apoptosis-related protein BCL-B in the regulation of mitophagy in hepatic stellate cells during the regression of liver fibrosis.

The clearance of activated hepatic stellate cells (HSCs) by apoptosis is critical for the reversibility of hepatic fibrosis. Mitochondrial homeostasis is regulated by mitophagy, which is an efficient way of clearing injured mitochondria that plays an important role in apoptosis. However, the role of mitophagy in apoptosis in HSCs and hepatic fibrosis is still unclear. Here, we show that mitophagy is enhanced in parallel with increased apoptosis in hepatic stellate cells during the reversal of hepatic fibros...

Recent developments in imaging of epilepsy.

Imaging constitutes one of the key pillars in the diagnostic workup after a first seizure as well as for the presurgical workup in epilepsy. The role of imaging in emergency situations, mainly to support the adequate diagnosis, as well as its role in planning of noninvasive image-guided therapies is less well established. Here, we provide an overview on peri-ictal imaging findings to support differential diagnosis in emergency situations and describe recent attempts toward minimal invasive therapy in the tr...

Multiparametric MRI - local staging of prostate cancer and beyond.

Background Accurate local staging is critical for treatment planning and prognosis in patients with prostate cancer (PCa). The primary aim is to differentiate between organ-confined and locally advanced disease with the latter carrying a worse clinical prognosis. Multiparametric MRI (mpMRI) is the imaging modality of choice for the local staging of PCa and has an incremental value in assessing pelvic nodal disease and bone involvement. It has shown superior performance compared to traditional staging based ...

Liver stiffness measurement by acoustic radiation forced impulse and transient elastography in patients with intrahepatic cholestasis.

Transient elastography (TE) and acoustic radiation force impulse (ARFI) imaging enable a noninvasive assessment of liver stiffness measurement (LSM) and liver fibrosis/cirrhosis staging. However, their use in cholestatic diseases is still scarce.

The Value of Superb Microvascular Imaging in Detecting Hepatic Artery Occlusion in Liver Transplantation: A Preliminary Study.

Superb microvascular imaging (SMI) is an innovative color Doppler technique that is used to evaluate low-velocity blood flow in particular. Our purpose in this study was to examine the sensitivity and specificity of SMI for assessing occlusion of the hepatic artery after liver transplantation. Ninety-five prospective patients who underwent liver transplantation were included in our study between April 2016 and February 2018. The patients were assessed with color power Doppler sonography and SMI method exami...

Activated Hepatic Stellate Cells and Portal Fibroblasts contribute to cholestatic liver fibrosis in MDR2 knockout mice.

Chronic liver injury often results in activation of hepatic myofibroblasts and development of liver fibrosis. Hepatic myofibroblasts may originate from three major sources; Hepatic Stellate Cells (HSCs), Portal Fibroblasts (PFs), or fibrocytes. Their contribution to liver fibrosis varies dependent on the etiology of liver injury. Here we assessed the composition of hepatic myofibroblasts in multidrug resistance gene 2 knockout (Mdr2) mice, a genetic model that resembles primary sclerosing cholangitis in pat...

Role of the imaging techniques in the diagnosis and staging of hidradenitis suppurativa.

Hidradenitis suppurativa (HS) is a chronic, inflammatory skin disease mainly affecting the axillary, inguinal and anogenital regions, and characterized by the presence of nodules, abscesses and sinus tracts and scarring. Clinical examination alone may underestimate the disease extension and severity. Some non-invasive skin imaging techniques such as ultrasound, magnetic resonance imaging, computed tomography, positron-emission tomography and dermoscopy, have been demonstrated to be useful in the diagnosis a...

Staging laparoscopy among three subtypes of extra-hepatic biliary malignancy: a 15-year experience from 10 institutions.

Staging laparoscopy (SL) is used to avoid resection failure and thus increase the curative resection rate. SL utilization in extra-hepatic biliary tumors (EHBT) is variable.

The efficiency of acoustic radiation force impulse imaging for the staging of graft fibrosis after liver transplantation.

Liver biopsy is the gold standard for assessing liver fibrosis (LF) after liver transplantation (LT), but its invasiveness limits its utility. This study aimed to evaluate the usefulness of liver stiffness measurement (LSM) via acoustic radiation force impulse (ARFI) imaging to assess LF after LT.

Hepatocyte-specific suppression of microRNA-221-3p mitigates liver fibrosis.

Fibrosis, a cardinal feature of a dysfunctional liver, significantly contributes to the ever-increasing mortality due to end-stage chronic liver diseases. The cross-talk, between hepatocytes and hepatic stellate cells, is suggested to play a key role in fibrosis progression. While ample efforts have been devoted to elucidate hepatic stellate cells' functions during liver fibrosis, the regulatory functions of hepatocytes remain elusive.

Association Between Noninvasive Fibrosis Markers and Postoperative Mortality After Hepatectomy for Hepatocellular Carcinoma.

The selection criteria for hepatectomy for hepatocellular carcinoma (HCC) is not well established. The role of noninvasive fibrosis markers in this setting is unknown in the US population.

Non-invasive Multi-modal Methods to Differentiate Inflamed vs Fibrotic Strictures in Patients With Crohn's Disease.

Fibrotic strictures occur in 30% of patients with Crohn's disease (CD). However, there are no therapeutic agents that prevent or reverse fibrotic strictures. Strictures are treated by endoscopic dilatation procedures and surgical procedures, but there are high rates of recurrence. Two anti-fibrotic agents (nintedanib and pirfenidone) were recently approved for the treatment of idiopathic pulmonary fibrosis and inhibitors of Rho-associated protein kinases (ROCK1 and ROCK2) reversed fibrosis in mice with chro...


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