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Feasibility of Novel Three-Dimensional Magnetic Resonance Fingerprinting of the Prostate Gland: Phantom and Clinical Studies

Han D, Choi MH, Lee YJ, Kim DH

Objective: To evaluate the feasibility of a new three-dimensional (3D) MR fingerprinting (MRF) technique for the prostate gland by conducting phantom and clinical studies. Materials and Methods: The new 3D MRF...
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Usefulness of Arterial Subtraction in Applying Liver Imaging Reporting and Data System (LI-RADS) Treatment Response Algorithm to Gadoxetic Acid-Enhanced MRI

Youn SY, Kim DH, Choi JI, Choi MH, Kim B, Shin YR, Oh SN, Rha SE

Objective: We aimed to evaluate the usefulness of arterial subtraction images for predicting the viability of hepatocellular carcinoma (HCC) after locoregional therapy (LRT) using gadoxetic acid-enhanced MRI and the Liver...
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Application of T1 Map Information Based on Synthetic MRI for Dynamic Contrast-Enhanced Imaging: A Comparison Study with the Fixed Baseline T1 Value Method

Shin DJ, Choi SH, Yoo RE, Kang KM, Yun TJ, Kim JH, Sohn CH, Jo SW, Lee EJ

Objective: For an accurate dynamic contrast-enhanced (DCE) MRI analysis, exact baseline T1 mapping is critical. The purpose of this study was to compare the pharmacokinetic parameters of DCE MRI using...
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A New Method for Aortic Valve Planimetry with High-Resolution 3-Dimensional MRI and Its Comparison with Conventional Cine MRI and Echocardiography for Assessing the Severity of Aortic Valvular Stenosis

Kim HJ, Choe YH, Kim SM, Kim EK, Lee M, Park SJ, Ahn J, Carriere KC

Objective: We aimed to compare the aortic valve area (AVA) calculated using fast high-resolution three-dimensional (3D) magnetic resonance (MR) image acquisition with that of the conventional two-dimensional (2D) cine MR...
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Acute High-Altitude Cerebral Edema Presenting as Extensive Microbleeds along the Corpus Callosum without T2 Hyperintensity: A Case Report and Literature Review

Son JY, Kim JY, Im S

High-altitude cerebral edema (HACE) is a potentially fatal neurological syndrome that develops in persons traveling to a high altitude. We report the case of a 49-year-old male who had traveled...
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Assessment of Additional MRI-Detected Breast Lesions Using the Quantitative Analysis of ContrastEnhanced Ultrasound Scans and Its Comparability with Dynamic Contrast-Enhanced MRI Findings of the Breast

Lee SY, Woo OH, Shin HS, Song SE, Cho KR, Seo BK, Hwang SY

Purpose To assess the diagnostic performance of contrast-enhanced ultrasound (CEUS) for additional MR-detected enhancing lesions and to determine whether or not kinetic pattern results comparable to dynamic contrast-enhanced magnetic resonance...
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The Relationship between Neural Foraminal Stenosis and Imaging Features of Lumbar Spine MRI in Patients Older Than 60 Years with Lumbar Radiculopathy

Lee K, Jeong HS, Park C, Kim M, Ryu H, Roh J, Yeom JA, Kim JH, Kim TU, Jeon CH

Purpose To investigate the MRI features associated with neural foraminal stenosis (NFS) in patients older than 60 years with lumbar (L) radiculopathy. Materials and Methods This study included 133 retrospectively selected...
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Differences in Brain Morphology between Hydrocephalus Ex Vacuo and Idiopathic Normal Pressure Hydrocephalus

Kim M, Park SW, Lee JY, Kim H, Rhim JH, Park S, Lee JY, Son H, Kim YK, Lee SH

Objective The distinction between idiopathic normal pressure hydrocephalus (iNPH) and hydrocephalus ex vacuo caused by encephalic volume loss remains to be established. This study aims to investigate radiological parameters as...
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Anterior Chest Wall Involvement in Spondyloarthritis Patients as Detected by Magnetic Resonance Imaging: A Case Series and Literature Review

Lee TH, Lee Cm, Kim TH, Lee S

Magnetic resonance imaging (MRI) plays an important role in diagnosing and classifying axial spondyloarthritis (SpA) and is also useful for appropriate evaluation of disease status owing to its ability to...
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Vertebral Artery Dissecting Aneurysm Causing Central Tapia’s Syndrome: A Case Report

Shim YW, Park JH, Kim ST, Baek JW, Lee HG, Ko JH, Paeng SH, Pyo SY, Jin SC, Jeong HW, Jeong YG

The central type of Tapia’s syndrome is an extremely rare presentation, characterized by unilateral paralysis of the vagal and hypoglossal nerves, contralateral hemiparesis, or hemihypesthesia. This report describes a case...
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Expression of Organic Anion Transporting Polypeptides in an H-Ras 12V Transgenic Mouse Model of Spontaneous Hepatocellular Carcinoma

Kim H, Choi J, Yu DY, Choi HJ

Purpose: Expression of organic anion transporting polypeptides (OATPs) 1B1/1B3 in hepatocellular carcinoma (HCC) induces a paradoxical enhancement of gadoxetic acid on liver magnetic resonance imaging (MRI). We examined the expression...
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Active surveillance in males with low- to intermediate-risk localized prostate cancer: A modern prospective cohort study

Rakauskas A, Tawadros T, Lucca I, Herrera F, Bourhis J, Burruni R, Gomes MN, Codeluppi C, Jolliet L, Rosa SL, Meuwly JY, Jichlinski P, Berthold D, Valerio M

Purpose: To compare the clinical outcome of males with low-risk and favorable intermediate-risk prostate cancer managed within a standardized modern protocol of active surveillance. Materials and Methods: This was a prospective...
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Unrecognized Ruptured Intracranial Aneurysm Presenting as Cerebral Vasospasm-Induced Ischemic Stroke: A Case Report

Kim JG, Kang CH, Choi JC, Rhim JK

A 44-year-old woman presented with acute confusion, apparently due to a clinically silent subarachnoid hemorrhage followed by vasospasm, which in turn led to an ischemic stroke. During the initial evaluation,...
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The Role of Multimodality Imaging in Cardiac Sarcoidosis

Oyama-Manabe N, Manabe O, Aikawa T, Tsuneta S

The etiology and the progression of sarcoidosis remain unknown. However, cardiac sarcoidosis (CS) is significantly associated with a poor prognosis due to the associated congestive heart failure, arrhythmias (such as...
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Prostate Imaging-Reporting and Data System: Comparison of the Diagnostic Performance between Version 2.0 and 2.1 for Prostatic Peripheral Zone

Kim HS, Kwon GY, Kim MJ, Park SY

Objective: To compare the diagnostic performance between Prostate Imaging-Reporting and Data System version 2.0 (PIRADSv2.0) and version 2.1 (PI-RADSv2.1) for clinically significant prostate cancer (csPCa) in the peripheral zone (PZ). Materials...
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Arterial Spin Labeling Magnetic Resonance Imaging in Healthy Adults: Mathematical Model Fitting to Assess Age-Related Perfusion Pattern

Hu Y, Liu R, Gao F

Objective: To investigate the age-dependent changes in regional cerebral blood flow (CBF) in healthy adults by fitting mathematical models to imaging data. Materials and Methods: In this prospective study, 90 healthy...
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Multiparametric MRI in Active Surveillance of Prostate Cancer: An Overview and a Practical Approach

Lee CH, Tan TW, Tan CH

MRI has become important for the detection of prostate cancer. MRI-guided biopsy is superior to conventional systematic biopsy in patients suspected with prostate cancer. MRI is also increasingly used for...
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Regional Differences in Blood-Brain Barrier Permeability in Cognitively Normal Elderly Subjects: A Dynamic Contrast-Enhanced MRI-Based Study

Ha IH, Lim C, Kim Y, Moon Y, Han SH, Moon WJ

Objective: This study aimed to determine whether there are regional differences in the blood-brain barrier (BBB) permeability of cognitively normal elderly participants and to identify factors influencing BBB permeability with...
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Diagnostic Performance of 2018 KLCA-NCC Practice Guideline for Hepatocellular Carcinoma on Gadoxetic Acid-Enhanced MRI in Patients with Chronic Hepatitis B or Cirrhosis: Comparison with LI-RADS Version 2018

Lee SM, Lee JM, Ahn SJ, Kang HJ, Yang HK, Yoon JH

Objective: To evaluate the performance of the 2018 Korean Liver Cancer Association-National Cancer Center (KLCA-NCC) Practice Guidelines (hereafter, PG) for the diagnosis of hepatocellular carcinoma (HCC) using gadoxetic acid-enhanced MRI,...
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Diagnostic performance of ultrasonography-guided core-needle biopsy according to MRI LI-RADS diagnostic categories

Kim DW, Kim SY, Kang HJ, Kang JH, Lee SS, Shim JH, Choi SH, Shin YM, Byun JH

Purpose: According to the American Association for the Study of Liver Diseases (AASLD) guidelines, biopsy is a diagnostic option for focal hepatic lesions depending on the Liver Imaging Reporting and...
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