- Fractal Dimension Analysis of MDCT Images for Quantifying the Morphological Changes of the Pulmonary Artery Tree in Patients with Pulmonary Hypertension
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Haitao S, Ning L, Lijun G, Fei G, Cheng L
- KMID: 1122326
- Korean J Radiol.
- 2011 Jun;12(3):289-296.
- doi: 10.3348/kjr.2011.12.3.289
OBJECTIVE: The aim of this study was to use fractal dimension (FD) analysis on multidetector CT (MDCT) images for quantifying the morphological changes of the pulmonary artery tree in patients... -
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- Pilot Study of Low-Dose Nonenhanced Computed Tomography With Iterative Reconstruction for Diagnosis of Urinary Stones
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Park SH, Kim KD, Moon YT, Myung SC, Kim TH, Chang IH, Kwon JK
- KMID: 2069775
- Korean J Urol.
- 2014 Sep;55(9):581-586.
- doi: 10.4111/kju.2014.55.9.581
PURPOSE: To evaluate the efficacy of low-dose computed tomography (LDCT) for detecting urinary stones with the use of an iterative reconstruction technique for reducing radiation dose and image noise. MATERIALS AND... -
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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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- Effects of Dual-Energy CT with Non-Linear Blending on Abdominal CT Angiography
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Li S, Wang C, Jiang X, Xu G
- KMID: 1731045
- Korean J Radiol.
- 2014 Aug;15(4):430-438.
- doi: 10.3348/kjr.2014.15.4.430
OBJECTIVE: To determine whether non-linear blending technique for arterial-phase dual-energy abdominal CT angiography (CTA) could improve image quality compared to the linear blending technique and conventional 120 kVp imaging. MATERIALS AND... -
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- Combined Use of Automatic Tube Voltage Selection and Current Modulation with Iterative Reconstruction for CT Evaluation of Small Hypervascular Hepatocellular Carcinomas: Effect on Lesion Conspicuity and Image Quality
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Lv P, Liu J, Zhang R, Jia Y, Gao J
- KMID: 2155522
- Korean J Radiol.
- 2015 Jun;16(3):531-540.
- doi: 10.3348/kjr.2015.16.3.531
OBJECTIVE: To assess the lesion conspicuity and image quality in CT evaluation of small (< or = 3 cm) hepatocellular carcinomas (HCCs) using automatic tube voltage selection (ATVS) and automatic... -
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- Analysis of Endoscopic Electronic Image of Intramucosal Gastric Carcinoma Using a Software Program for Calculating Hemoglobin Index
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Kim GH, Kim KB, Lim EK, Choi SH, Kim TO, Heo J, Kang DH, Song GA, Cho M, Park DY
- KMID: 1713116
- J Korean Med Sci.
- 2006 Dec;21(6):1041-1047.
- doi: 10.3346/jkms.2006.21.6.1041
Hemoglobin is the predominent pigment in the gastrointestinal mucosa, and the development of electronic endoscopy has made it possible to quantitatively measure the mucosal hemoglobin volume, by using a hemoglobin... -
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- Multislice CT Virtual Intravascular Endoscopy for Assessing Pulmonary Embolisms: a Pictorial Review
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Sun Z, Dosari SA, Ng C, al-Muntashari A, Almaliky S
- KMID: 1783199
- Korean J Radiol.
- 2010 Apr;11(2):222-230.
- doi: 10.3348/kjr.2010.11.2.222
Multislice CT has been widely used in clinical practice for diagnosing cardiovascular disease due to its reduced invasiveness and its high spatial and temporal resolution. As a reliable alternative to... -
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- Structural Brain Abnormalities in Juvenile Myoclonic Epilepsy Patients: Volumetry and Voxel-Based Morphometry
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Tae WS, Hong SB, Joo EY, Han SJ, Cho JW, Seo DW, Lee JM, Kim IY, Byun HS, Kim SI
- KMID: 1114348
- Korean J Radiol.
- 2006 Sep;7(3):162-172.
- doi: 10.3348/kjr.2006.7.3.162
OBJECTIVE: We aimed to find structural brain abnormalities in juvenile myoclonic epilepsy (JME) patients. MATERIALS AND METHODS: The volumes of the cerebrum, hippocampus and frontal lobe and the area of... -
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- Radiation Dose Reduction via Sinogram Affirmed Iterative Reconstruction and Automatic Tube Voltage Modulation (CARE kV) in Abdominal CT
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Shin HJ, Chung YE, Lee YH, Choi JY, Park MS, Kim MJ, Kim KW
- KMID: 1711454
- Korean J Radiol.
- 2013 Dec;14(6):886-893.
- doi: 10.3348/kjr.2013.14.6.886
OBJECTIVE: To evaluate the feasibility of sinogram-affirmed iterative reconstruction (SAFIRE) and automated kV modulation (CARE kV) in reducing radiation dose without increasing image noise for abdominal CT examination. MATERIALS AND METHODS:... -
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- 80-kVp CT Using Iterative Reconstruction in Image Space Algorithm for the Detection of Hypervascular Hepatocellular Carcinoma: Phantom and Initial Clinical Experience
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Hur S, Lee JM, Kim SJ, Park JH, Han JK, Choi BI
- KMID: 1245379
- Korean J Radiol.
- 2012 Apr;13(2):152-164.
- doi: 10.3348/kjr.2012.13.2.152
OBJECTIVE: To investigate whether the low-tube-voltage (80-kVp), intermediate-tube-current (340-mAs) MDCT using the Iterative Reconstruction in Image Space (IRIS) algorithm improves lesion-to-liver contrast at reduced radiation dosage while maintaining acceptable image... -
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- Diagnosing Small Hepatic Cysts on Multidetector CT: an Additional Merit of Thinner Coronal Reformations
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Hwang SH, Yu JS, Chung JJ, Kim JH, Kim KW
- KMID: 1122331
- Korean J Radiol.
- 2011 Jun;12(3):341-350.
- doi: 10.3348/kjr.2011.12.3.341
OBJECTIVE: We wanted to validate the additional merit of the thinner coronal reformation images from multidetector CT (MDCT) for making the diagnosis of hepatic cysts. MATERIALS AND METHODS: For the 90... -
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- Reproducibility of Apparent Diffusion Coefficient Measurements in Malignant Breast Masses
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Jang M, Kim SM, Yun BL, Ahn HS, Kim SY, Kang E, Kim SW
- KMID: 2351122
- J Korean Med Sci.
- 2015 Nov;30(11):1689-1697.
- doi: 10.3346/jkms.2015.30.11.1689
This study aimed to evaluate the reproducibility of apparent diffusion coefficient (ADC) measurements in malignant breast masses, and to determine the influence of mammographic parenchymal density on this reproducibility. Sixty-six... -
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- Effects of intertrochanteric varus osteotomy on Norberg angle and percent coverage of the femoral head in displastic dogs
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Pinna S, Pizzuti E, Carli F
- KMID: 1705520
- J Vet Sci.
- 2013 Jun;14(2):185-191.
- doi: 10.4142/jvs.2013.14.2.185
This study was conducted to assess the effects of femoral varus osteotomy on joint congruency in dogs affected by early stage hip dysplasia. Preoperative planning to move the femoral head... -
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- Time Efficiency and Diagnostic Accuracy of New Automated Myocardial Perfusion Analysis Software in 320-Row CT Cardiac Imaging
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Rief M, Stenzel F, Kranz A, Schlattmann P, Dewey M
- KMID: 1430040
- Korean J Radiol.
- 2013 Feb;14(1):21-29.
- doi: 10.3348/kjr.2013.14.1.21
OBJECTIVE: We aimed to evaluate the time efficiency and diagnostic accuracy of automated myocardial computed tomography perfusion (CTP) image analysis software. MATERIALS AND METHODS: 320-row CTP was performed in 30 patients,... -
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- New Statistical Method to Analyze Three-Dimensional Landmark Configurations Obtained with Cone-Beam CT: Basic Features and Clinical Application for Rapid Maxillary Expansion
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Gamble J, Lagravere , Major PW, Heo G
- KMID: 1245376
- Korean J Radiol.
- 2012 Apr;13(2):126-135.
- doi: 10.3348/kjr.2012.13.2.126
OBJECTIVE: To describe a statistical method of three-dimensional landmark configuration data and apply it to an orthodontic data set comparing two types of rapid maxillary expansion (RME) treatments. MATERIALS AND METHODS:... -
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- Optimal scan delay depending on contrast material injection duration in abdominal multi-phase computed tomography of pancreas and liver in normal Beagle dogs
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Choi SY, Lee I, Seo JW, Park HY, Choi HJ, Lee YW
- KMID: 2412612
- J Vet Sci.
- 2016 Dec;17(4):555-561.
- doi: 10.4142/jvs.2016.17.4.555
This study was conducted to establish the values for optimal fixed scan delays and diagnostic scan delays associated with the bolus-tracking technique using various contrast material injection durations in canine... -
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- The Impact of Iterative Reconstruction in Low-Dose Computed Tomography on the Evaluation of Diffuse Interstitial Lung Disease
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Lim HJ, Chung MJ, Shin KE, Hwang HS, Lee KS
- KMID: 2466292
- Korean J Radiol.
- 2016 Dec;17(6):950-960.
- doi: 10.3348/kjr.2016.17.6.950
OBJECTIVE: To evaluate the impact of iterative reconstruction (IR) on the assessment of diffuse interstitial lung disease (DILD) using CT. MATERIALS AND METHODS: An American College of Radiology (ACR) phantom (module... -
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- Reconstruction Algorithms Influence the Follow-Up Variability in the Longitudinal CT Emphysema Index Measurements
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Hochhegger B, Irion KL, Marchiori , Moreira JS
- KMID: 1088561
- Korean J Radiol.
- 2011 Apr;12(2):169-175.
- doi: 10.3348/kjr.2011.12.2.169
OBJECTIVE: We wanted to compare the variability in the longitudinal emphysema index (EI) measurements that were computed with standard and high resolution (HR) reconstruction algorithms (RAs). MATERIALS AND METHODS: We performed... -
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- CT Analysis of the Anterior Mediastinum in Idiopathic Pulmonary Fibrosis and Nonspecific Interstitial Pneumonia
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Lee CH, Lee HJ, Son KR, Chun EJ, Lim KY, Goo JM, Im JG, Heo JN, Song JW
- KMID: 1114349
- Korean J Radiol.
- 2006 Sep;7(3):173-179.
- doi: 10.3348/kjr.2006.7.3.173
OBJECTIVE: We wanted to determine whether the amount and shape of the anterior mediastinal fat in the patients suffering with usual interstitial pneumonia (UIP) or nonspecific interstitial pneumonia (NSIP) was... -
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