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A newly Developed Hyperintensity Within a Posterior Cerebral Artery Susceptibility Vessel Sign in T2*-Weighted Gradient-Echo Imaging: a Case Report and Correlation with Magnetic Resonance Angiography and Black-Blood Imaging

Youn SW, Kim HK

The susceptibility vessel sign (SVS) on T2*-weighted gradient-echo imaging (T2*-GRE) is useful for detecting intra-arterial clots and monitoring the response to thrombolysis. SVS-GRE was observed in a 52-year-old man with...
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Simulations of Perfusion Signals of Pulsed Arterial Spin Labeling MRI

Kim HG, Jahng GH, Oh CH

PURPOSE: A pulsed arterial spin labeling (PASL) signal usually depends on several parameters. The objective of this study was to determine the optimal parameters using simulation for perfusion signals of...
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Focal Liver Lesion Detection in Gadoxetic Acid-enhanced Liver MRI: Effects of Scan Delay, Hepatic Function, and Magnetic Field Strength

Kim HS, Kim MJ, Chung JJ, Lim JS, Chung YE, Park MS, Kim KW

PURPOSE: To determine the effects of scan delay, hepatic function, and magnetic field strength on the performance of gadoxetic acid enhanced magnetic resonance imaging. MATERIALS AND METHODS: Gadoxetic acid enhanced MRI...
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A Comparison Study on Human Brain Volume of White Matter, Gray Matter and Hippocampus Depending on Magnetic Resonance Imaging Conditions and Applied Brain Template

Jung WB, Son DB, Kim YJ, Kim YH, Eun CK, Mun CW

PURPOSE: The aim of this study was to examine the volume differences of human brain 3-D MR images obtained by automatic segmentation methods depending on brain templates and image acquisition...
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Cellular Angiofibroma of the Perianal Space: MR Imaging and Pathologic Correlation

Baek CK, Lim JS, Bae YS

A variety of benign and malignant tumor can occur in the perianal space. Among them, cellular angiofibroma is a rare tumor that belongs to fibroblastic/myofibroblastic tumors of the WHO classification,...
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Usefulness of Gadobenate Dimeglumine - Enhanced Hepatobiliary Phase MR Imaging on Predicting Histological Grade of Hepatocellular Carcinoma

Park SH, Kim MJ, Choi JY, Lim JS, Kim KW

PURPOSE: To assess the usefulness of gadobenate dimeglumine-enhanced hepatobiliary phase MR imaging for evaluation of histological characteristics of hepatocellular carcinoma (HCC). MATERIALS AND METHODS: 57 HCCs histopathologically proved by surgery in...
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Comparison of Non-invasive Imaging Studies in the Evaluation of Carotid Artery Stenosis and Occlusion: CT Angiography, Time-of-Flight MR Angiography and Contrast-Enhanced MR Angiography

Lee J, Chung TS, Lee KY, Suh SH

PURPOSE: We compared non-invasive imaging studies of CTA, TOF-MRA and CE-MRA to evaluate detecting internal carotid artery stenosis and occlusion. MATERIALS AND METHODS: We enrolled 20 patients with clinically suspected internal...
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Assessment of Therapeutic Response of Ablated Lesion after Radiofrequency Ablation in Patients with Unresectable Lung Malignancies by Multiphase Contrast-enhanced MRI

Jin GY, Han YM, Chung GH, Hwang SB, Lee YC, Kwon KS

PURPOSE: We evaluated which phase was important to recognize local progression of an ablated zone after RFA on multiphase contrast-enhanced MRI (CE-MRI) in patients with unresectable lung malignancy. MATERIALS AND METHODS:...
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Lipoma-like Liposarcoma with Osteosarcomatous Dedifferentiation of the Chest Wall: A Case Report

Lim HJ, Kang CH, Kim CH

We report a case of liposarcoma with osteosarcomatous dedifferentiation of the chest wall in a 58-year-old man, which had been initially mistaken as myositis ossificans. CT and MRI demonstrated a...
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Susceptibility Weighted MR Imaging at 3T in Patients with Occlusion of Middle Cerebral Artery : Comparison with Diffusion Weighted Imaging Score (ASPECTS)

Shim H, Choi HS, Jung SL, Ahn KJ, Kim BS

PURPOSE: To describe the imaging findings at susceptibility weighted imaging (SWI) at 3T in patients with occlusion of middle cerebral artery, and to correlate the absence or presence of arterial...
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