- Rapid Increase in Marrow Fat Content and Decrease in Marrow Perfusion in Lumbar Vertebra Following Bilateral Oophorectomy: An MR Imaging-Based Prospective Longitudinal Study
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Wang YX, Griffith J, Deng M, Yeung DK, Yuan J
- KMID: 2069994
- Korean J Radiol.
- 2015 Feb;16(1):154-159.
- doi: 10.3348/kjr.2015.16.1.154
OBJECTIVE: Bilateral oophorectomy leads to reduced bone mineral density (BMD), and reduced BMD is associated with increased marrow fat and reduced marrow perfusion. Purpose of this study was to investigate... -
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- Attenuation-Based Automatic Kilovoltage Selection and Sinogram-Affirmed Iterative Reconstruction: Effects on Radiation Exposure and Image Quality of Portal-Phase Liver CT
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Song JS, Choi EJ, Kim EY, Kwak HS, Han YM
- KMID: 2069985
- Korean J Radiol.
- 2015 Feb;16(1):69-79.
- doi: 10.3348/kjr.2015.16.1.69
OBJECTIVE: To compare the radiation dose and image quality between standard-dose CT and a low-dose CT obtained with the combined use of an attenuation-based automatic kilovoltage (kV) selection tool (CARE... -
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- Current Status of Optical Imaging for Evaluating Lymph Nodes and Lymphatic System
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Lee ES, Kim TS, Kim SK
- KMID: 2069982
- Korean J Radiol.
- 2015 Feb;16(1):21-31.
- doi: 10.3348/kjr.2015.16.1.21
Optical imaging techniques use visual and near infrared rays. Despite their considerably poor penetration depth, they are widely used due to their safe and intuitive properties and potential for intraoperative... -
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- Evaluation of a Chest Circumference-Adapted Protocol for Low-Dose 128-Slice Coronary CT Angiography with Prospective Electrocardiogram Triggering
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Lu C, Wang Z, Ji J, Wang H, Hu X, Chen C
- KMID: 2069981
- Korean J Radiol.
- 2015 Feb;16(1):13-20.
- doi: 10.3348/kjr.2015.16.1.13
OBJECTIVE: To assess the effect of chest circumference-adapted scanning protocol on radiation exposure and image quality in patients undergoing prospective electrocardiogram (ECG)-triggered coronary CT angiography (CCTA). MATERIALS AND METHODS: One hundred-eighty-five... -
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- Quantitative Analysis of the Effect of Iterative Reconstruction Using a Phantom: Determining the Appropriate Blending Percentage
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Kim HG, Chung YE, Lee YH, Choi JY, Park MS, Kim MJ, Kim KW
- KMID: 2352814
- Yonsei Med J.
- 2015 Jan;56(1):253-261.
- doi: 10.3349/ymj.2015.56.1.253
PURPOSE: To investigate the optimal blending percentage of adaptive statistical iterative reconstruction (ASIR) in a reduced radiation dose while preserving a degree of image quality and texture that is similar... -
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- Differentiation between Focal Malignant Marrow-Replacing Lesions and Benign Red Marrow Deposition of the Spine with T2*-Corrected Fat-Signal Fraction Map Using a Three-Echo Volume Interpolated Breath-Hold Gradient Echo Dixon Sequence
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Kim YP, Kannengiesser S, Paek MY, Kim S, Chung TS, Yoo YH, Yoon CS, Song HT, Lee YH, Suh JS
- KMID: 1794650
- Korean J Radiol.
- 2014 Dec;15(6):781-791.
- doi: 10.3348/kjr.2014.15.6.781
OBJECTIVE: To assess the feasibility of T2*-corrected fat-signal fraction (FF) map by using the three-echo volume interpolated breath-hold gradient echo (VIBE) Dixon sequence to differentiate between malignant marrow-replacing lesions and... -
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- Comparison of Image Quality of Shoulder CT Arthrography Conducted Using 120 kVp and 140 kVp Protocols
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Ahn SJ, Hong SH, Chai JW, Choi JY, Yoo HJ, Kim SH, Kang HS
- KMID: 1794645
- Korean J Radiol.
- 2014 Dec;15(6):739-745.
- doi: 10.3348/kjr.2014.15.6.739
OBJECTIVE: To compare the image quality of shoulder CT arthrography performed using 120 kVp and 140 kVp protocols. MATERIALS AND METHODS: Fifty-four CT examinations were prospectively included. CT scans were performed... -
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- Contrast-Enhanced Spectral Mammography: Comparison with Conventional Mammography and Histopathology in 152 Women
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Luczynska , Heinze-Paluchowska S, Dyczek S, Blecharz P, Rys J, Reinfuss M
- KMID: 1794639
- Korean J Radiol.
- 2014 Dec;15(6):689-696.
- doi: 10.3348/kjr.2014.15.6.689
OBJECTIVE: The goal of the study was to compare conventional mammography (MG) and contrast-enhanced spectral mammography (CESM) in preoperative women. MATERIALS AND METHODS: The study was approved by the local Ethics... -
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- Contrast-Enhanced Ultrasound Defines Vascularization Pattern of Hamartomatous Colonic Polyps in Peutz-Jeghers Syndrome
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Badea R, Ciobanu L, Botan E, Pojoga C, Tantau M
- KMID: 2070088
- Gut Liver.
- 2014 Nov;8(6):680-682.
- doi: 10.5009/gnl14044
The hamartomatous polyps in Peutz-Jeghers syndrome may have malignant potential. To differentiate between hamartomatous and adenomas polyps, vascular characterization can be assessed using noninvasive procedures, such as contrast-enhanced ultrasound (CEUS).... -
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- Perfusion Magnetic Resonance Imaging: A Comprehensive Update on Principles and Techniques
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Jahng GH, Li KL, Ostergaard L, Calamante
- KMID: 1734941
- Korean J Radiol.
- 2014 Oct;15(5):554-577.
- doi: 10.3348/kjr.2014.15.5.554
Perfusion is a fundamental biological function that refers to the delivery of oxygen and nutrients to tissue by means of blood flow. Perfusion MRI is sensitive to microvasculature and has... -
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- Diagnostic Efficacy of Contrast-Enhanced Ultrasound for Small Renal Masses
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Oh TH, Lee YH, Seo IY
- KMID: 2069776
- Korean J Urol.
- 2014 Sep;55(9):587-592.
- doi: 10.4111/kju.2014.55.9.587
PURPOSE: Ultrasound (US) is highly sensitive in the detection of renal masses. However, it may not be able to differentiate benign and malignant lesions in smaller masses. The purpose of... -
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- Readout-Segmented Echo-Planar Imaging in Diffusion-Weighted MR Imaging in Breast Cancer: Comparison with Single-Shot Echo-Planar Imaging in Image Quality
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Kim YJ, Kim SH, Kang BJ, Park CS, Kim HS, Son YH, Porter DA, Song BJ
- KMID: 1731042
- Korean J Radiol.
- 2014 Aug;15(4):403-410.
- doi: 10.3348/kjr.2014.15.4.403
OBJECTIVE: The purpose of this study was to compare the image quality of standard single-shot echo-planar imaging (ss-EPI) and that of readout-segmented EPI (rs-EPI) in patients with breast cancer. MATERIALS AND... -
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- Prediction of infarct severity from triiodothyronine levels in patients with ST-elevation myocardial infarction
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Kim DH, Choi DH, Kim HW, Choi SW, Kim BB, Chung JW, Koh YY, Chang KS, Hong SP
- KMID: 2070109
- Korean J Intern Med.
- 2014 Jul;29(4):454-465.
BACKGROUND/AIMS: The aim of the present study was to evaluate the relationship between thyroid hormone levels and infarct severity in patients with ST-elevation myocardial infarction (STEMI). METHODS: We retrospectively reviewed thyroid... -
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- Recurrence of Multiple Focal Nodular Hyperplasia in a Young Male Patient
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Chung E, Park CH, Kim J, Han NI, Lee YS, Choi HJ, Bae SH, Park IY
- KMID: 1791895
- Korean J Gastroenterol.
- 2014 Jul;64(1):49-53.
- doi: 10.4166/kjg.2014.64.1.49
Focal nodular hyperplasia (FNH) is the second most common benign hepatic tumor that is usually found in women. Diagnosis of FNH mainly depends on imaging studies such as color Doppler... -
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- Periosteal Osteosarcoma Arising from the Rib and Scapula: Imaging Features in Two Cases
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Hong JB, Cho KH, Choi JH
- KMID: 2078647
- Korean J Radiol.
- 2014 Jun;15(3):370-375.
- doi: 10.3348/kjr.2014.15.3.370
Periosteal osteosarcoma is an extremely rare chondroblastic osteosarcoma in the flat bone. There were authors reporting of two cases of periosteal osteosarcoma in the highly unusual sites. One of them... -
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- Histogram Analysis of Hepatobiliary Phase MR Imaging as a Quantitative Value for Liver Cirrhosis: Preliminary Observations
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Choi JY, Kim H, Sun M, Sirlin CB
- KMID: 2068674
- Yonsei Med J.
- 2014 May;55(3):651-659.
- doi: 10.3349/ymj.2014.55.3.651
PURPOSE: To investigate whether histogram analysis of the hepatobiliary phase on gadoxetate enhanced-MRI could be used as a quantitative index for determination of liver cirrhosis. MATERIALS AND METHODS: A total of... -
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- Clinically Useful Diagnostic Tool of Contrast Enhanced Ultrasonography for Focal Liver Masses: Comparison to Computed Tomography and Magnetic Resonance Imaging
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Ryu SW, Bok GH, Jang JY, Jeong SW, Ham NS, Kim JH, Park EJ, Kim JN, Lee WC, Shim KY, Lee SH, Kim SG, Cha SW, Kim YS, Cho YD, Kim HS, Kim BS
- KMID: 1774563
- Gut Liver.
- 2014 May;8(3):292-297.
BACKGROUND/AIMS: To evaluate the diagnostic value of contrast (SonoVue(R)) enhancement ultrasonography (CEUS) and to compare this method with computed tomography (CT) and magnetic resonance imaging (MRI) in evaluating liver masses. METHODS:... -
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- Differentiating between Adenomyomatosis and Gallbladder Cancer: Revisiting a Comparative Study of High-Resolution Ultrasound, Multidetector CT, and MR Imaging
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Bang SH, Lee JY, Woo H, Joo I, Lee ES, Han JK, Choi BI
- KMID: 1705577
- Korean J Radiol.
- 2014 Apr;15(2):226-234.
- doi: 10.3348/kjr.2014.15.2.226
OBJECTIVE: To compare the diagnostic performance of high-resolution ultrasound (HRUS) with contrast-enhanced CT and contrast-enhanced magnetic resonance imaging (MRI) with MR cholangiopancreatography (MRCP) to differentiate between adenomyomatosis (ADM) and gallbladder... -
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- Non-Ischemic Perfusion Defects due to Delayed Arrival of Contrast Material on Stress Perfusion Cardiac Magnetic Resonance Imaging after Coronary Artery Bypass Graft Surgery
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Kim YK, Park EA, Park SJ, Cheon GJ, Lee W, Chung JW, Park JH
- KMID: 1705572
- Korean J Radiol.
- 2014 Apr;15(2):188-194.
- doi: 10.3348/kjr.2014.15.2.188
Herein we report about the adenosine stress perfusion MR imaging findings of a 50-year-old man who exhibited two different perfusion defects resulting from two different mechanisms after a coronary artery... -
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- Radiofrequency ablation of very-early-stage hepatocellular carcinoma inconspicuous on fusion imaging with B-mode US: value of fusion imaging with contrast-enhanced US
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Min JH, Lim HK, Lim S, Kang TW, Song KD, Choi SY, Rhim H, Lee MW
- KMID: 1737600
- Clin Mol Hepatol.
- 2014 Mar;20(1):61-70.
- doi: 10.3350/cmh.2014.20.1.61
BACKGROUND/AIMS: To determine the value of fusion imaging with contrast-enhanced ultrasonography (CEUS) and computed tomography (CT)/magnetic resonance (MR) images for percutaneous radiofrequency ablation (RFA) of very-early-stage hepatocellular carcinomas (HCCs) that... -
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