- Gastrointestinal Disease in the Population Aged 80 Years and above in Korea during Recent Decades: Multi-center Cross-sectional Study
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Woo SK, Kim SS, Chung WC, Kim JS, Kim BW, Choi HH, Kim SS
- KMID: 2530697
- Korean J Gastroenterol.
- 2022 Jun;79(6):244-251.
- doi: 10.4166/kjg.2022.032
Background/Aims: Globally, the population aged 80 years or older is growing faster due to the rising life expectancy. Korea has already entered into an advanced aged society, and a post-aged... -
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- Effect of Lifetime Cognitive Reserve on Functional Connectivity in the Default Mode Network at the Predementia Stage
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Woo SK, Kang JM, Kim N, Lee SY, Kim S, Kim DJ, Kang CK, Lee JY, Cho SJ
- KMID: 2522235
- J Korean Geriatr Psychiatry.
- 2021 Oct;25(2):128-138.
- doi: 10.47825/jkgp.2021.25.2.128
Objective: Cognitive reserve (CR) protects against cognitive decline by utilizing functional connectivity (FC) in the brain, such as the default mode network (DMN). We studied whether CR in individuals with... -
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- Predicting Mild Cognitive Impairment to Alzheimer’s Disease Transition: Role of Instrumental Activities of Daily Living
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Woo SK, Bae S, Kim JH, Kim DK
- KMID: 2515284
- J Korean Geriatr Psychiatry.
- 2021 Apr;25(1):1-7.
- doi: 10.47825/jkgp.2021.25.1.1
Objective: This study aimed to investigate the association with the functioning of instrumental-activities of daily living (I-ADL) and future development of Alzheimer’s disease (AD) in persons with mild cognitive impairment... -
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- Depth and combined infection is important predictor of lower extremity amputations in hospitalized diabetic foot ulcer patients
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Jeong EG, Cho SS, Lee SH, Lee KM, Woo SK, Kang Y, Yun JS, Cha SA, Kim YJ, Ahn YB, Ko SH, Lee JM
- KMID: 2420007
- Korean J Intern Med.
- 2018 Sep;33(5):952-960.
- doi: 10.3904/kjim.2016.165
BACKGROUND/AIMS: As the prevalence of diabetes mellitus and its complications increase rapidly, diabetic foot ulcers (DFUs), which are a major diabetic complication, are expected to increase. For prevention and effective... -
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- Image-based Absorbed Dosimetry of Radioisotope
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Park YS, Lee YJ, Kim W, Ji YH, Kim KB, Kang JH, Lim SM, Woo SK
- KMID: 2328193
- Prog Med Phys.
- 2016 Jun;27(2):86-91.
- doi: 10.14316/pmp.2016.27.2.86
An absorbed dose calculation method using a digital phantom is implemented in normal organs. This method cannot be employed for calculating the absorbed dose of tumor. In this study, we... -
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- Establishment of a mouse model of 70% lethal dose by total-body irradiation
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Ryu SH, Park JH, Jeong ES, Choi SY, Ham SH, Park JI, Jeon HY, Kim JY, Yoo RJ, Lee YJ, Woo SK, Choi YK
- KMID: 2309085
- Lab Anim Res.
- 2016 Jun;32(2):116-121.
- doi: 10.5625/lar.2016.32.2.116
Whereas increasing concerns about radiation exposure to nuclear disasters or side effects of anticancer radiotherapy, relatively little research for radiation damages or remedy has been done. The purpose of this... -
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- Effect of Harderian adenectomy on the statistical analyses of mouse brain imaging using positron emission tomography
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Kim M, Woo SK, Yu JW, Lee YJ, Kim KM, Kang JH, Eom K, Nahm SS
- KMID: 1737622
- J Vet Sci.
- 2014 Mar;15(1):157-161.
- doi: 10.4142/jvs.2014.15.1.157
Positron emission tomography (PET) using 2-deoxy-2-[18F] fluoro-D-glucose (FDG) as a radioactive tracer is a useful technique for in vivo brain imaging. However, the anatomical and physiological features of the Harderian... -
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- Is it Feasible to Use the Commercially Available Autoquantitation Software for the Evaluation of Myocardial Viability on Small-Animal Cardiac F-18 FDG PET Scan?
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Pahk K, Oh SY, Jeong E, Lee SH, Woo SK, Yu JW, Choe JG, Cheon GJ
- KMID: 1427690
- Nucl Med Mol Imaging.
- 2013 Jun;47(2):104-114.
PURPOSE: To evaluate the reliability of quantitation of myocardial viability on cardiac F-18 fluorodeoxyglucose (FDG) positron emission tomography (PET) scans with three different methods of visual scoring system, autoquantitation using... -
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- Development of Artificial Pulmonary Nodule for Evaluation of Motion on Diagnostic Imaging and Radiotherapy
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Woo SK, Park NW, Park SW, Yu JW, Han SC, Lee SJ, Kim KM, Kang JH, Ji YH, Eom KD
- KMID: 2315748
- Prog Med Phys.
- 2013 Mar;24(1):76-83.
Previous studies about effect of respiratory motion on diagnostic imaging and radiation therapy have been performed by monitoring external motions but these can not reflect internal organ motion well. The... -
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- List-event Data Resampling for Quantitative Improvement of PET Image
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Woo SK, Ju JW, Kim JM, Kang JH, Lim SM, Kim KM
- KMID: 2315737
- Prog Med Phys.
- 2012 Dec;23(4):309-316.
Multimodal-imaging technique has been rapidly developed for improvement of diagnosis and evaluation of therapeutic effects. In despite of integrated hardware, registration accuracy was decreased due to a discrepancy between multimodal... -
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- Estimation of Internal Motion for Quantitative Improvement of Lung Tumor in Small Animal
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Yu JW, Woo SK, Lee YJ, Kim KM, Kim JS, Lee KC, Park SJ, Yu RJ, Kang JH, Ji YH, Chung YH, Kim BI, Lim SM
- KMID: 2243878
- Korean J Med Phys.
- 2011 Sep;22(3):140-147.
The purpose of this study was to estimate internal motion using molecular sieve for quantitative improvement of lung tumor and to localize lung tumor in the small animal PET image... -
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- Quantitative Assessment Technology of Small Animal Myocardial Infarction PET Image Using Gaussian Mixture Model
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Woo SK, Lee YJ, Lee W, Kim MH, Park JA, Kim JS, Kim JG, Kang JH, Ji YH, Choi CW, Lim SM, Kim KM
- KMID: 2307129
- Korean J Med Phys.
- 2011 Mar;22(1):42-51.
Nuclear medicine images (SPECT, PET) were widely used tool for assessment of myocardial viability and perfusion. However it had difficult to define accurate myocardial infarct region. The purpose of this... -
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- Radiological and Clinical Characteristics of a Military Outbreak of Pandemic H1N1 2009 Influenza Virus Infection
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Yun TJ, Kwon GJ, Oh MK, Woo SK, Park SH, Choi SH, Lee HJ, Goo JM, Yim JJ, Kim JS, Park CM
- KMID: 984895
- Korean J Radiol.
- 2010 Aug;11(4):417-424.
- doi: 10.3348/kjr.2010.11.4.417
OBJECTIVE: To describe detailed clinical and radiological features of the pandemic H1N1 2009 influenza viral infection among healthy young males in a semi-closed institutionalized setting. MATERIALS AND METHODS: A total... -
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- Performance Measurement of Siemens Inveon PET Scanner for Small Animal Imaging
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Yu AR, Kim JS, Kim KM, Lee YS, Kim JG, Woo SK, Park JA, Kim HJ, Cheon GJ
- KMID: 2243933
- Korean J Med Phys.
- 2010 Jun;21(2):145-152.
Inveon PET is a recently developed preclinical PET system for small animal. This study was conducted to measure the performance of Inveon PET as recommended by the NEMA NU 4-2008.... -
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- Comparison of Cytokine Expression in Mesenchymal Stem Cells from Human Placenta, Cord Blood, and Bone Marrow
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Hwang JH, Shim SS, Seok OS, Lee HY, Woo SK, Kim BH, Song HR, Lee JK, Park YK
- KMID: 1779182
- J Korean Med Sci.
- 2009 Aug;24(4):547-554.
- doi: 10.3346/jkms.2009.24.4.547
Mesenchymal stem cells (MSCs) are capable of self-renewal and differentiation into lineages of mesenchymal tissues that are currently under investigation for a variety of therapeutic applications. The purpose of this... -
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- Bone Mineral Density Measurement of Rats Using Dual-energy X-ray Absorptiometry: Precision of In Vivo Measurements for Various Skeletal Sites with or without Repositioning
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Oh DH, Jung JH, Woo SK, Cheon GJ, Kim BI, Choi CW, Lim SM
- KMID: 2313072
- Nucl Med Mol Imaging.
- 2009 Feb;43(1):72-78.
PURPOSE: Bone mineral density (BMD) measurements need to be precise enough to be capable of detecting small changes in bone mass of rats. Using a regular dual-energy X-ray absorptiometry (DXA),... -
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- mage-Based Assessment and Clinical Significance of Absorbed Radiation Dose to Tumor in Repeated High-Dose (131)I Anti-CD20 Monoclonal Antibody (Rituximab) Radioimmunotherapy for Non-Hodgkin's Lymphoma
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Byun BH, Kim KM, Woo SK, Choi TH, Kang HJ, Oh DH, Kim BI, Cheon GJ, Choi CW, Lim SM
- KMID: 2313071
- Nucl Med Mol Imaging.
- 2009 Feb;43(1):60-71.
PURPOSE: We assessed the absorbed dose to the tumor (Dosetumor) by using pretreatment FDG-PET and whole-body (WB) planar images in repeated radioimmunotherapy (RIT) with 131I rituximab for NHL. MATERIALS AND METHODS:... -
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- Motion Correction in PET/CT Images
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Woo SK, Cheon GJ
- KMID: 1484985
- Nucl Med Mol Imaging.
- 2008 Apr;42(2):172-180.
PET/CT fused image with anatomical and functional information have improved medical diagnosis and interpretation. This fusion has resulted in more precise localization and characterization of sites of radio-tracer uptake. However,... -
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- Small Animal [18F]FDG PET Imaging for Tumor Model Study
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Woo SK, Kim KM, Cheon GJ
- KMID: 2051921
- Nucl Med Mol Imaging.
- 2008 Feb;42(1):1-7.
PET allows non-invasive, quantitative and repetitive imaging of biological function in living animals. Small animal PET imaging with [18F]FDG has been successfully applied to investigation of metabolism, receptor-ligand interactions, gene... -
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- Six Species of Penicillium Associated with Blue Mold of Grape
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Kim WK, Sang HK, Woo SK, Park MS, Paul NC, Yu SH
- KMID: 2312527
- Mycobiology.
- 2007 Dec;35(4):180-185.
Grape fruits with blue mold symptoms were collected from house storages in different locations in Korea and were investigated for their association with Penicillium species. A total of 12 isolates... -
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