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Contrast-Enhanced Spectral Mammography Versus Ultrasonography: Diagnostic Performance in Symptomatic Patients with Dense Breasts

Lu Z, Hao C, Pan Y, Mao N, Wang X, Yin X

OBJECTIVE: To compare the diagnostic performance of contrast-enhanced spectral mammography (CESM) versus ultrasonography (US) in symptomatic patients with dense breasts, while using histology as the gold standard. MATERIALS AND METHODS: After...
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Prescreening skin test effectiveness in predicting hypersensitivity to iodinated contrast media

Kim TB

Hypersensitivity reaction to iodinated contrast media (ICM) is a persistent clinical issue owing to widespread use of computed tomography (CT) examinations. The question of whether routine performance of skin tests...
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Preparative fasting before contrast-enhanced computed tomography

Yong HS

Many hospitals have patients perform preparative fasting prior to contrast-enhanced computed tomography to prevent nausea, vomiting, and accompanying aspiration pneumonia. This policy has been regarded as reasonable because there are...
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Change of culprit agent prevents recurrent hypersensitivity reactions to iodinated contrast media

Cha MJ, Lee W

With technical advances in computed tomography and the introduction of non-ionic low- or iso-osmolar iodinated contrast media (ICM), the use of ICM and the occurrence of ICM-related hypersensitivity reactions (HSRs)...
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Prevention of infection from contrast agents

Jung SE

Until now, automatic contrast agent injector syringes licensed for consecutive one-time use have been employed with a number of patients. In 2016, regulation of automatic injector syringes ensured their single...
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Metformin Treatment for Patients with Diabetes and Chronic Kidney Disease: A Korean Diabetes Association and Korean Society of Nephrology Consensus Statement

Hur KY, Kim MK, Ko SH, Han M, Lee DW, Kwon HS, Committee of Clinical Practice Guidelines, Korean Diabetes Association, Committee of the Cooperative Studies, Korean Society of Nephrology

The safety of metformin use for patients with type 2 diabetes mellitus (T2DM) and advanced kidney disease is controversial, and more recent guidelines have suggested that metformin be used cautiously...
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Drug hypersensitivity reactions in Asia: regional issues and challenges

Thong BY, Lucas M, Kang HR, Chang YS, Li PH, Tang MM, Yun J, Fok JS, Kim BK, Nagao M, Rengganis , Tsai YG, Chung WH, Yamaguchi , Rerkpattanapipat T, Kamchaisatian W, Leung TF, Yoon HJ, Zhang L, Latiff AH, Fujisawa T, Thien F, Castells M, Demoly P, Wang JY, Pawankar R

There are geographical, regional, and ethnic differences in the phenotypes and endotypes of patients with drug hypersensitivity reactions (DHRs) in different parts of the world. In Asia, aspects of drug...
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Comparative Analysis of Image Quality and Adverse Events between Iopamidol 250 and Ioversol 320 in Hepatic Angiography for Transcatheter Arterial Chemoembolization

Gu MJ, Yi JH, Kim YH, Lee HJ, Kang UR, Ji SW

PURPOSE: This study aimed to compare the image quality and adverse events between Iopamidol 250 and Ioversol 320 usage during transcatheter arterial chemoembolization (TACE) for hepatocellular carcinoma (HCC). MATERIALS AND METHODS:...
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Comparison of international guidelines for noninvasive diagnosis of hepatocellular carcinoma: 2018 update

Kim TH, Kim SY, Tang A, Lee JM

The goal of this review is to present the similarities and differences among the latest guidelines for noninvasive diagnosis of hepatocellular carcinoma (HCC) of American Association for the Study of...
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Optical coherence tomography angiography in preclinical neuroimaging

Choi WJ

Preclinical neuroimaging allows for the assessment of brain anatomy, connectivity, and function in laboratory animals, such as mice and this imaging field has been a rapidly growing aimed at bridging...
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The Cause and Treatment of Acute Kidney Injury

Oh SW

Acute kidney injury (AKI), characterized by an acute decline in renal function, commonly develops in hospitalized patients and is associated with increased morbidity and mortality. Recent studies have identified new...
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Ultrasound-guided transhepatic computed tomography cholecystography in beagle dogs

Kim D, Park S, Kim C, Yoon S, Choi J

This study was performed to evaluate the feasibility of ultrasound-guided computed tomography (CT) cholecystography and to establish an optimal protocol. In 8 healthy beagles, CT cholecystography was conducted using four...
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Emerging Role of Hepatobiliary Magnetic Resonance Contrast Media and Contrast-Enhanced Ultrasound for Noninvasive Diagnosis of Hepatocellular Carcinoma: Emphasis on Recent Updates in Major Guidelines

Kim TH, Yoon JH, Lee JM

Hepatocellular carcinoma (HCC) can be noninvasively diagnosed on the basis of its characteristic imaging findings of arterial phase enhancement and portal/delayed “washout” on computed tomography (CT) and magnetic resonance imaging...
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Contrast-Enhanced Ultrasound and Shear Wave Elastography Evaluation of Crohn's Disease Activity in Three Adolescent Patients

Thimm MA, Cuffari C, Garcia A, Sidhu S, Hwang M

Characterizing inflammation and fibrosis in Crohn's disease (CD) is necessary to guide clinical management, but distinguishing the two remains challenging. Novel ultrasound (US) techniques: contrast-enhanced US (CEUS) and shear wave...
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Primary Intraparenchymal Central Nervous System Solitary Fibrous Tumor/Hemangiopericytoma Presenting with Intracerebral Hemorrhage: A Case Report

Ha MH, Jung TY, Kim SK, Lee KH, Kim D

A 53-year old man who had a left hemiparesis from head injury of traffic accident 20 years ago visited an emergency room with suddenly developed semi-comatose mental status. Brain CT...
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Prevalence of Decreased Myocardial Blood Flow in Symptomatic Patients with Patent Coronary Stents: Insights from Low-Dose Dynamic CT Myocardial Perfusion Imaging

Li Y, Yuan M, Yu M, Lu Z, Shen C, Wang Y, Lu B, Zhang J

OBJECTIVE: To study the prevalence and clinical characteristics of decreased myocardial blood flow (MBF) quantified by dynamic computed tomography (CT) myocardial perfusion imaging (MPI) in symptomatic patients without in-stent restenosis. MATERIALS...
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Clinical Manifestations of Contrast Media Extravasation in the Emergency Department and the Ward

Bae JG, Kang TK, Ryu S, Cho SJ, Oh SC, Kim HJ, Choi SW, Lee SH, Kang MJ

PURPOSE: Contrast media extravasation (CME) is an adverse reaction after administration of contrast media during CT examinations. The purpose of this study was to evaluate the frequency, management, and outcomes...
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In vivo Imaging Biodistribution Profile of a New Macrocyclic Gadolinium Chelate as a Highly Stable Multifunctional MRI Contrast Agent

Sung BK, Jo YW, Chang Y

Gadolinium contrast agents (CAs) are integral components of clinical magnetic resonance imaging (MRI). However, safety concerns have arisen regarding the use of gadolinium CAs, due to their association with nephrogenic...
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Diagnostic Significance of pH-Responsive Gd³⁺-Based T₁ MR Contrast Agents

Bhuniya S, Hong KS

We discuss recent advances in Gd-based T₁-weighted MR contrast agents for the mapping of cellular pH. The pH plays a critical role in various biological processes. During the past two...
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Hepatic Artery Occlusion after Liver Transplantation in Patients with Doppler Ultrasound Abnormality: Increasing Sensitivity of Contrast-Enhanced Ultrasound Diagnosis

Kim JS, Kim KW, Choi SH, Jeong SY, Kwon JH, Song GW, Lee SG

OBJECTIVE: To investigate whether diagnostic performance of contrast-enhanced ultrasound (CEUS) could be improved with modified criteria to diagnose significant hepatic artery occlusion (HAO) and to determine the role of CEUS...
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