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multiparametric ultrasound as a new concept of assessment of liver tissue damage

World Journal of Gastroenterology 2024年第12期30卷 1663-1669页

作者： Angela Peltec Ioan Sporea Department of Internal Medicine Discipline of GastroenterologyState University of Medicine and Pharmacy"Nicolae Testemitanu"Chishinev 2019Moldova Department of Gastroenterology and Hepatology "Victor Babes"University of Medicine and PharmacyTimisoara 300736Romania

Liver disease accounts for approximately 2 million deaths per year *** chronic liver diseases(CLDs),whether of toxic,genetic,autoimmune,or infectious origin,undergo typical histological changes in the structure of the *** changes may include the accumulation of extracellular matrix material,fats,triglycerides,or tissue *** methods for diagnosing CLD,such as conventional B-mode ultrasound(US),play a significant role in *** US,when coupled with B-mode US,can be helpful in evaluating the hemodynamics of hepatic vessels and detecting US findings associated with hepatic *** elastography can assess liver stiffness,serving as a surrogate marker for liver *** is important to note that interpreting these values should not rely solely on a histological ***-enhanced US(CEUS)provides valuable information on tissue perfusion and enables excellent differentiation between benign and malignant focal liver *** evaluation,the etiology of liver disease,and the patient current comorbidities all influence the interpretation of liver stiffness *** measurements are most clinically relevant when interpreted as a probability of compensated advanced CLD.B-mode US offers a subjective estimation of fatty infiltration and has limited sensitivity for mild *** controlled attenuation parameter requires a dedicated device,and cutoff values are not clearly ***-titative US parameters for liver fat estimation include the attenuation coefficient,backscatter coefficient,and speed of *** parameters offer the advantage of providing fat quantification alongside B-mode evaluation and other US *** US(MPUS)of the liver introduces a new concept for complete noninvasive *** encourages examiners to utilize the latest features of an US machine,including conventional B-mode,liver stiffness evaluation,fat quantification,dispersion imaging,

关键词： multiparametric ultrasound ultrasound-based elastography Liver stiffness Noninvasive diagnostic test for chronic liver disease Liver steatosis assessment Portal hypertension evaluation

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Dynamic contrast enhanced ultrasound in gastrointestinal diseases:A current trend or an indispensable tool?

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World Journal of Gastroenterology 2023年第25期29卷 4021-4035页

作者： Mattia Paratore Matteo Garcovich Maria Elena Ainora Laura Riccardi Antonio Gasbarrini Maria Assunta Zocco Medicina Interna e Gastroenterologia CEMAD Digestive Disease CenterFondazione Policlinico Universitario A.Gemelli IRCCSRome 00168Italy Medicina Interna e Gastroenterologia CEMAD Digestive Disease CenterUniversità Cattolica del Sacro CuoreFondazione Policlinico Universitario A.Gemelli IRCCSRome 00168Italy

Contrast enhanced ultrasound(CEUS)has been widely implemented in clinical practice because of the enormous quantity of information it provides,along with its low cost,reproducibility,minimal invasiveness,and safety of the secondgeneration ultrasound contrast *** overcome the limitation of CEUS given by the subjective evaluation of the contrast enhancement behaviour,quantitative analysis of contrast kinetics with generation of time-intensity curves has been introduced in recent *** quantification of perfusion parameters[named as dynamic-CEUS(D-CEUS)]has several applications in gastrointestinal neoplastic and inflammatory ***,the limited availability of large studies and the heterogeneity of the technologies employed have precluded the standardisation of D-CEUS,which potentially represents a valuable tool for clinical practice in management of gastrointestinal *** this article,we reviewed the evidence exploring the application of D-CEUS in gastrointestinal diseases,with a special focus on liver,pancreas,and inflammatory bowel diseases.

关键词： Quantitative perfusion analysis Gastrointestinal diseases Time-intensity curve multiparametric ultrasound

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