- Image Reconstruction of Eigenvalue of Diffusion Principal Axis Using Diffusion Tensor Imaging
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Kim IS, Chang Y, Kim JH, Yeon G, Suh KJ, Yoo DS, Kang DS, Bae SJ
- KMID: 2206902
- J Korean Soc Magn Reson Med.
- 2007 Dec;11(2):110-118.
PURPOSE: The objective of this work to construct eigenvalue maps that have information of magnitude of three primary diffusion directions using diffusion tensor images. MATERIALS AND METHODS: To construct eigenvalue maps,... -
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- The effects of voltage of x-ray tube on fractal dimension and anisotropy of diagnostic image
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Baik JS, Lee SS, Park KS, Huh KH, Yi WJ, Heo MS, Choi SC
- KMID: 2034156
- Korean J Oral Maxillofac Radiol.
- 2007 Dec;37(4):211-215.
PURPOSE: The purpose of this study was to evaluate the effect of the kV on fractal dimension of trabecular bone in digital radiographs. MATERIALS AND METHODS: 16 bone cores were obtained... -
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- Measurement of Fractional Anisotropy in Normal Cerebral White Matter and Brain Tumors with Diffusion Tensor Imaging
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Lee SK, Kim DI, Kim SY, Ihn YK, Kim SH
- KMID: 1945465
- J Korean Radiol Soc.
- 2002 Aug;47(2):147-153.
- doi: 10.3348/jkrs.2002.47.2.147
PURPOSE: The purpose of this study was to measure the apparent diffusion coefficient (ADC) and fractional anisotropy (FA) of normal adult brain tissue and tumors, and to compare the differences. MATERIALS... -
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- Differential effects of local anesthetics on rate of rotational mobility between hydrocarbon interior and surface region of model membrane outer monolayer
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Chung IK, Cha SK, Chung YZ, Kim BS, Choi CH, Cho GJ, Jang HO, Yun I
- KMID: 1580636
- Korean J Physiol Pharmacol.
- 2000 Feb;4(1):41-46.
Using fluorescence polarization of 12-(9-anthroyloxy)stearic acid (12-AS) and 2-(9-anthroyloxy)stearic acid (2-AS), we evaluated the differential effects of local anesthetics on differential rotational rate between the surface (in carbon number 2 and its surroundings including... -
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- Evidence of Microstructural Abnormality on Descending Motor Pathway in Cerebral Plasied Children with Periventricular Leukomalacia: Diffusion Tensor MRI Study
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Lee ZI, Park SM, Ahn SH, Jang SH, Son SM, Byun WM
- KMID: 2323848
- J Korean Acad Rehabil Med.
- 2003 Jun;27(3):340-343.
OBJECTIVE: Using diffusion tensor MRI (DTI), to investigate the microstructural abnormality of corticospinal tract in the cerebral palsied children with periventricular leukomalacia on conventional MRI and to recognize the clinical... -
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- Diffusion Tensor Imaging Findings in Two Cases of Internal Capsular Genu Infarction
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Ahn KM, Kim JM, Ha SW, Hong KM, Lee SY, Kim DE
- KMID: 2065723
- J Korean Neurol Assoc.
- 2010 May;28(2):104-107.
Internal capsular genu infarcts infrequently cause cognitive impairment and behavioral changes, and little is known about the underlying mechanism. Using diffusion-tensor imaging (DTI) and the fractional anisotropy (FA) index in... -
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- Different effects of dopamine on differential rotational mobility between inner and outer monolayer of synaptosomal plasma membrane vesicles isolated from bovine brain
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Kim HG, Choi CH, Kim IS, Chung IK, Cho GJ, Jang HO, Yun I
- KMID: 1580939
- Korean J Physiol Pharmacol.
- 2000 Oct;4(5):409-415.
Fluorescence polarization of 1,6-diphenyl-1,3,5-hexatriene (DPH) was used to evaluate the effects of dopamine cntdot HCl on the range of the rotatioanl mobility of bulk bilayer structure of the synaptosomal plasma membrane vesicles (SPMV)... -
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- The Effect of Imaging Parameters of Diffusion Tensor Imaging on Fractional Anisotropy
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Jun JS, Kim HJ, Yang PS, Choi CG, Kim SJ, Lee JH, Lee SB, Ryu SY, Kim JC
- KMID: 2103883
- J Korean Radiol Soc.
- 2007 Oct;57(4):315-322.
- doi: 10.3348/jkrs.2007.57.4.315
PURPOSE: To evaluate the effect of changes of parameters of diffusion tensor imaging (DTI), including slice thickness/slice number, b-value and the direction number of a diffusion gradient on fractional anisotropy... -
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- High-Resolution Diffusion Tensor MR Imaging for Evaluating Myocardial Anisotropy and Fiber Tracking at 3T: the Effect of the Number of Diffusion-Sensitizing Gradient Directions
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Choi SI, Kang JW, Chun EJ, Choi SH, Lim TH
- KMID: 1787014
- Korean J Radiol.
- 2010 Feb;11(1):54-59.
- doi: 10.3348/kjr.2010.11.1.54
OBJECTIVE: We wanted to evaluate the effect of the number of diffusion-sensitizing gradient directions on the image quality for evaluating myocardial anisotropy and fiber tracking by using in vitro diffusion... -
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- Diffusion Tensor Imaging for the Differentiation of Microangiopathy, Infarction and Perfusion-Diffusion Mismatch Lesions
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Ha DH, Choi S, Kang MJ, Lee JH, Yoon SK, Nam KJ
- KMID: 2209017
- J Korean Soc Radiol.
- 2009 Oct;61(4):201-209.
- doi: 10.3348/jksr.2009.61.4.201
PURPOSE: This study was designed to evaluate the usefulness of diffusion tensor imaging (DTI) and the DTI indices for differentiating between microangiopathy lesions, acute infarction lesions and perfusion-diffusion mismatch areas. MATERIALS... -
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- The Usefulness of Diffusion Tensor MRI for the Prediction of Clinical Outcome in Patients with Acute Subcortical Infarction
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Choi SM, Kim TH, Kim BC, Lee SH, Park MS, Kim MK, Kim JB, Jeong GW, Seo JJ, Cho KH
- KMID: 2065604
- J Korean Neurol Assoc.
- 2006 Oct;24(5):447-451.
BACKGROUND: Diffusion tensor MRI (DTI) is a new imaging technique and enables us to analyze the structural damage of fiber pathways and to monitor the time course of Wallerian degeneration... -
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- Measuring Fractional Anisotropy of the Corpus Callosum Using Diffusion Tensor Imaging: Mid-Sagittal versus Axial Imaging Planes
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Kim EY, Park HJ, Kim DH, Lee SK, Kim J
- KMID: 1385395
- Korean J Radiol.
- 2008 Oct;9(5):391-395.
- doi: 10.3348/kjr.2008.9.5.391
OBJECTIVE: Many diffusion tensor imaging (DTI) studies of the corpus callosum (CC) have been performed with a relatively thick slice thickness in the axial plane, which may result in underestimating... -
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- Evaluation of Factors Used in AAPM TG-43 Formalism Using Segmented Sources Integration Method and Monte Carlo Simulation: Implementation of microSelectron HDR Ir-192 Source
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Ahn WS, Jang WW, Park SH, Jung SH, Cho WK, Kim YS, Ahn SD
- KMID: 1451805
- Korean J Med Phys.
- 2011 Dec;22(4):190-197.
Currently, the dose distribution calculation used by commercial treatment planning systems (TPSs) for high-dose rate (HDR) brachytherapy is derived from point and line source approximation method recommended by AAPM Task... -
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- Shear wave elastography using ultrasound: effects of anisotropy and stretch stress on a tissue phantom and in vivo reactive lymph nodes in the neck
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Lee HY, Lee JH, Shin JH, Kim SY, Shin HJ, Park JS, Choi YJ, Baek JH
- KMID: 2365573
- Ultrasonography.
- 2017 Jan;36(1):25-32.
- doi: 10.14366/usg.16003
PURPOSE: The purpose of this study was to evaluate how the anisotropy and the static stretch stress of the cervical musculature influence the measured shear modulus in a tissue-mimicking phantom... -
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- Effects of MR Parameter Changes on the Quantification of Diffusion Anisotropy and Apparent Diffusion Coefficient in Diffusion Tensor Imaging: Evaluation Using a Diffusional Anisotropic Phantom
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Kim SJ, Choi CG, Kim JK, Yun SC, Jahng GH, Jeong HK, Kim EJ
- KMID: 2070173
- Korean J Radiol.
- 2015 Apr;16(2):297-303.
- doi: 10.3348/kjr.2015.16.2.297
OBJECTIVE: To validate the usefulness of a diffusional anisotropic capillary array phantom and to investigate the effects of diffusion tensor imaging (DTI) parameter changes on diffusion fractional anisotropy (FA) and... -
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- Diffusion Metrics as a Potential Prognostic Biomarker in Cervical Myelopathy
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Yang HE, Kim SW, Yoo WK
- KMID: 2469631
- Brain Neurorehabil.
- 2019 Mar;12(1):e1.
- doi: 10.12786/bn.2019.12.e1
Diffusion tensor imaging (DTI) has a diagnostic value in cervical myelopathy. The usefulness of diffusion metrics as a potential prognostic biomarker was assessed in this review. Various diffusion metrics, such... -
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- The three-dimensional microstructure of trabecular bone: Analysis of site-specific variation in the human jaw bone
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Kim JE, Shin JM, Oh SO, Yi WJ, Heo MS, Lee SS, Choi SC, Huh KH
- KMID: 2229604
- Imaging Sci Dent.
- 2013 Dec;43(4):227-233.
- doi: 10.5624/isd.2013.43.4.227
PURPOSE: This study was performed to analyze human maxillary and mandibular trabecular bone using the data acquired from micro-computed tomography (micro-CT), and to characterize the site-specific microstructures of trabeculae. MATERIALS AND... -
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- The Correlation of Motor Impairment and Fractional Anisotropy in Diffusion Tensor Imaging in Post-stroke Hemiplegic Patients
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Park GY, Ro HJ, Lee SY, Lim JG, Paik SK, Chang YM, Lee J
- KMID: 2323992
- J Korean Acad Rehabil Med.
- 2004 Apr;28(2):122-125.
OBJECTIVE: Diffusion tensor imaging (DTI) fully characterizes water molecule mobility, allowing an exploration of fiber tract integrity and orientation in the human brain. The purpose of this study was to... -
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- Does Injured Corticospinal Tract Recover after Rehabilitation Therapy in Patients with Hemiplegic Cerebral Palsy?
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Son SM, Kwak SY, Jang SH, Ahn SH, Cho YY, Kim HS, Cho HK, Moon HK
- KMID: 2325623
- J Korean Acad Rehabil Med.
- 2010 Feb;34(1):79-84.
OBJECTIVE: To investigate whether injured corticospinal tract (CST) could recover after rehabilitative therapy in hemiplegic patients with cerebral palsy using diffusion tensor tractography (DTT) which is known to be useful... -
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- Assessment of Normal-Appearing White Matter Damage in Multiple Sclerosis Using Diffusion Tensor Imaging
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Kim YJ
- KMID: 1460062
- J Korean Soc Radiol.
- 2010 Apr;62(4):319-326.
- doi: 10.3348/jksr.2010.62.4.319
PURPOSE: To determine any evidence of damage in normal-appearing white matter (NAWM) tracts in multiple sclerosis (MS) cases using diffusion tensor imaging (DTI). MATERIALS AND METHODS: We retrospectively analyzed anisotropy maps... -
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