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Water-Fat Imaging with Automatic Field Inhomogeneity Correction Using Joint Phase Magnitude Density Function at Low Field MRI

Kim PK, Ahn CB

PURPOSE: A new inhomogeneity correction method based on two-point Dixon sequence is proposed to obtain water and fat images at 0.35T, low field magnetic resonance imaging (MRI) system. MATERIALS AND METHODS:...
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Diagnosis of Vertebral Artery Ostial Stenosis on Contrast-Enhanced MR Angiography: Usefulness of a Thin-Slab MIP Technique

Kim SM, Lee DH, Choi JW, Choi BS, In HS

It is a well-known clinical fact that contrast-enhanced magnetic resonance angiography exaggerates vertebral arterial ostial stenosis and sometimes shows pseudostenosis. Considering the clinical significance of a lesion in the posterior...
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Solitary Fibrous Tumor of the Ischiorectal Fossa : CT and MRI Findings

Kim KH, Cha SH, Yeom SK, Lee SH, Chung HH

Solitary fibrous tumor (SFT) is a rare neoplasm, which is usually presented as a pleural based mass, but can also occur in unusual locations based on its mesenchymal origin. However,...
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Accurate Localization of Metal Electrodes Using Magnetic Resonance Imaging

Joe E, Ghim MO, Ha Y, Kim DH

PURPOSE: Localization using MRI is difficult due to susceptibility induced artifacts caused by metal electrodes. Here we took an advantage of the B0 pattern induced by the metal electrodes by...
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Evaluation of the Cause of Internal Jugular Vein Obstruction on Head and Neck Contrast Enhanced 3D MR Angiography Using Contrast Enhanced Computed Tomography

Gweon HM, Chung TS, Suh SH

PURPOSE: To evaluate the cause of internal jugular vein (IJV) obstruction on contrast enhanced 3D MR angiography (CE-MRA) using contrast enhanced computed tomography (CE-CT). MATERIALS AND METHODS: A total number of...
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T2 Relaxation Times of the Cingulate Cortex, Amygdaloid Body, Hippocampal Body, and Insular Cortex: Comparison of 1.5 T and 3.0 T

Lee HJ, Kim EY

PURPOSE: To compare T2 relaxation times (T2) in the cingulate cortex, amygdaloid body, hippocampal body, and insular cortex between 1.5T and 3.0T MR imagers. MATERIALS AND METHODS: Twelve healthy volunteers underwent...
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Measurements of T1- and T2-relaxation Time Changes According to the Morphological Characteristics of Gold Nanoparticles (GNPs)

Jang MY, Han YH, Mun CW

PURPOSE: The aim of this study is to measure the typical MR variables such as T1- and T2-relaxation times according to morphological characteristics of gold nanoparticles as a preliminary study...
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Synovial Lesions with Low Signal Intensities on T2-Weighted MR Image

Choo HJ, Lee SJ, Cho KH, Suh KJ, Lee SM, Lee YH, Lee IS, Lee GK, Kim B

Pigmented villonodular synovitis, synovial chondromatosis, long-standing rheumatoid arthritis, hemophilic arthropathy, chronic tophaceous gout, amyloid arthropathy, tuberculous arthritis, and hemangioma are the synovial diseases showing low signal intensity on T2-weighted image....
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Detection of Hepatic Lesion: Comparison of Free-Breathing and Respiratory-Triggered Diffusion-Weighted MR imaging on 1.5-T MR system

Park HY, Cho HJ, Kim EM, Hur G, Kim YH, Lee BH

PURPOSE: To compare free-breathing and respiratory-triggered diffusion-weighted imaging on 1.5-T MR system in the detection of hepatic lesions. MATERIALS AND METHODS: This single-institution study was approved by our institutional review board....
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The Age-related Microstructural Changes of the Cortical Gray and White Matter Ratios on T2-, FLAIR and T1-weighted MR Images

Choi S, Kim WY, Lee KN, Ha DH, Kang MJ, Lee JH, Yoon SK

PURPOSE: The purpose of this study was to investigate the microstructural changes according to aging on the thickness and signal intensity (SI) of the cortical gray matter (GM) and white...
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