- Quantitative Analysis of Airway Walls Using CT Software
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Kim TJ, Goo JM, Lee KW, Lee HJ, Kim KG, Im JG
- KMID: 2103927
- J Korean Radiol Soc.
- 2008 Dec;59(6):395-403.
- doi: 10.3348/jkrs.2008.59.6.395
PURPOSE: The purpose of this study was to develop dedicated software for quantitative analysis of the airways and to validate the software using airway phantoms and excised swine lung. MATERIALS AND... -
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- Balloon Sheaths for Gastrointestinal Guidance and Access: A Preliminary Phantom Study
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He X, Shin JH, Kim HC, Woo CW, Woo SH, Choi WC, Kim JG, Lim JO, Kim TH, Yoon CJ, Kang W, Song HY
- KMID: 1102713
- Korean J Radiol.
- 2005 Sep;6(3):167-172.
- doi: 10.3348/kjr.2005.6.3.167
OBJECTIVE: We wanted to evaluate the feasibility and usefulness of a newly designed balloon sheath for gastrointestinal guidance and access by conducting a phantom study. MATERIALS AND METHODS: The newly... -
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- Optimizing the reconstruction filter in cone-beam CT to improve periodontal ligament space visualization: An in vitro study
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Houno Y, Hishikawa , Gotoh KI, Naitoh M, Mitani A, Noguchi T, Ariji E, Kodera Y
- KMID: 2390085
- Imaging Sci Dent.
- 2017 Sep;47(3):199-207.
- doi: 10.5624/isd.2017.47.3.199
PURPOSE: Evaluation of alveolar bone is important in the diagnosis of dental diseases. The periodontal ligament space is difficult to clearly depict in cone-beam computed tomography images because the reconstruction... -
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- Image characteristics of cone beam computed tomography using a CT performance phantom
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Han CW, Kim GT, Choi YS, Hwang EH
- KMID: 2270901
- Korean J Oral Maxillofac Radiol.
- 2007 Sep;37(3):157-163.
PURPOSE: To evaluate the characteristics of (widely used) cone beam computed tomography (CBCT) images. MATERIALS AND METHODS: Images were obtained with CT performance phantoms (The American Association of Physicists in Medicine;... -
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- Dose Reduction in Automatic Optimization Parameter of Full Field Digital Mammography: Breast Phantom Study
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Ko MS, Kim HH, Cha JH, Shin HJ, Kim JH, Kim MJ
- KMID: 2374551
- J Breast Cancer.
- 2013 Mar;16(1):90-96.
PURPOSE: We evaluated the impact of three automatic optimization of parameters (AOP) modes of digital mammography on the dose and image quality. METHODS: Computerized Imaging Reference Systems phantoms were used. A... -
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- Metal artifact production and reduction in CBCT with different numbers of basis images
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Queiroz PM, Santaella , Groppo FC, Freitas DQ
- KMID: 2406981
- Imaging Sci Dent.
- 2018 Mar;48(1):41-44.
- doi: 10.5624/isd.2018.48.1.41
PURPOSE: To evaluate the effect of different numbers of basis images and the use of metal artifact reduction (MAR) on the production and reduction of artifacts in cone-beam computed tomography... -
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- Quantitative Feasibility Evaluation of ¹¹C-Methionine Positron Emission Tomography Images in Gamma Knife Radiosurgery : Phantom-Based Study and Clinical Application
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Lim SH, Jung TY, Jung S, Kim IY, Moon KS, Kwon SY, Jang WY
- KMID: 2463679
- J Korean Neurosurg Soc.
- 2019 Jul;62(4):476-486.
- doi: 10.3340/jkns.2019.0104
OBJECTIVE: The functional information of ¹¹C-methionine positron emission tomography (MET-PET) images can be applied for Gamma knife radiosurgery (GKR) and its image quality may affect defining the tumor. This study... -
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- Adaptive Iterative Dose Reduction Algorithm in CT: Effect on Image Quality Compared with Filtered Back Projection in Body Phantoms of Different Sizes
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Kim M, Lee JM, Yoon JH, Son H, Choi JW, Han JK, Choi BI
- KMID: 1705573
- Korean J Radiol.
- 2014 Apr;15(2):195-204.
- doi: 10.3348/kjr.2014.15.2.195
OBJECTIVE: To evaluate the impact of the adaptive iterative dose reduction (AIDR) three-dimensional (3D) algorithm in CT on noise reduction and the image quality compared to the filtered back projection... -
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- Development of a new ball-type phantom for evaluation of the image layer of panoramic radiography
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Yeom HG, Kim JE, Huh KH, Yi WJ, Heo MS, Lee SS, Choi SC
- KMID: 2450165
- Imaging Sci Dent.
- 2018 Dec;48(4):255-259.
- doi: 10.5624/isd.2018.48.4.255
PURPOSE: This study proposes a new ball-type phantom for evaluation of the image layer of panoramic radiography. MATERIALS AND METHODS: The arch shape of an acrylic resin phantom was derived from... -
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- Comparison of Image Quality between Mammography Dedicated Monitor and UHD 4K Monitor, Using Standard Mammographic Phantom: A Preliminary Study
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Lee JY, Cha SJ, Hong SH, Kim SY, Kim YH, Kim YS, Kim JA
- KMID: 2371682
- J Korean Soc Radiol.
- 2017 Mar;76(3):173-178.
- doi: 10.3348/jksr.2017.76.3.173
PURPOSE: Using standard mammographic phantom images, we compared the image quality obtained between a mammography dedicated 5 megapixel monitor (5M) and a UHD 4K (4K) monitor with digital imaging and... -
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- Preclinical evaluation of acoustic radiation force impulse measurements in regions of heterogeneous elasticity
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Hollerieth K, Gaßmann B, Wagenpfeil S, Moog P, Vo-Cong MT, Heemann U, Stock KF
- KMID: 2354363
- Ultrasonography.
- 2016 Oct;35(4):345-352.
- doi: 10.14366/usg.16024
PURPOSE: The purpose of this study was to compare the reliability of ultrasound-based shear wave elastography in regions of homogeneous versus heterogeneous elasticity by using two different probes. METHODS: Using acoustic... -
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- Intra- and interobserver reliability of gray scale/dynamic range evaluation of ultrasonography using a standardized phantom
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Lee S, Choi JI, Park MY, Yeo DM, Byun JY, Jung SE, Rha SE, Oh SN, Lee YJ
- KMID: 2319363
- Ultrasonography.
- 2014 Apr;33(2):91-97.
PURPOSE: To evaluate intra- and interobserver reliability of the gray scale/dynamic range of the phantom image evaluation of ultrasonography using a standardized phantom, and to assess the effect of interactive... -
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- Which Phantom Is Better for Assessing the Image Quality in Full-Field Digital Mammography?: American College of Radiology Accreditation Phantom versus Digital Mammography Accreditation Phantom
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Song SE, Seo BK, Yie A, Ku BK, Kim HY, Cho KR, Chung HH, Lee SH, Hwang KW
- KMID: 1397509
- Korean J Radiol.
- 2012 Dec;13(6):776-783.
- doi: 10.3348/kjr.2012.13.6.776
OBJECTIVE: To compare between the American College of Radiology (ACR) accreditation phantom and digital mammography accreditation phantom in assessing the image quality in full-field digital mammography (FFDM). MATERIALS AND METHODS: In... -
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- Dual-Energy CT: New Horizon in Medical Imaging
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Goo HW, Goo JM
- KMID: 2427225
- Korean J Radiol.
- 2017 ;18(4):555-569.
- doi: 10.3348/kjr.2017.18.4.555
Dual-energy CT has remained underutilized over the past decade probably due to a cumbersome workflow issue and current technical limitations. Clinical radiologists should be made aware of the potential clinical... -
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- Evaluation of the effective dose and image quality of low-dose multi-detector CT for orthodontic treatment planning
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Chung GC, Han WJ, Kim EK
- KMID: 2270927
- Korean J Oral Maxillofac Radiol.
- 2010 Mar;40(1):15-23.
PURPOSE: This study was designed to compare the effective doses from low-dose and standard-dose multi-detector CT (MDCT) scanning protocols and evaluate the image quality and the spatial resolution of the... -
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- Measurement of hard tissue density of head phantom based on the HU by using CBCT
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Kim MS, Kim JD, Kang DW
- KMID: 2034178
- Korean J Oral Maxillofac Radiol.
- 2009 Sep;39(3):115-120.
PURPOSE: The purpose of this study was to determine a conversion coefficient for Hounsfield Units(HU) to material density (g cm-3) obtained from cone-beam computed tomography (CBMercuRay(TM)) data and to measure... -
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- Contrast reference values in panoramic radiographic images using an arch-form phantom stand
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Shin JM, Lee C, Kim JE, Huh KH, Yi WJ, Heo MS, Choi SC, Lee SS
- KMID: 2408252
- Imaging Sci Dent.
- 2016 Sep;46(3):203-210.
- doi: 10.5624/isd.2016.46.3.203
PURPOSE: The purpose of this study was to investigate appropriate contrast reference values (CRVs) by comparing the contrast in phantom and clinical images. MATERIALS AND METHODS: Phantom contrast was measured using... -
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- Practical Application of Iterative Decomposition of Water and Fat with Echo Asymmetry and Least-Squares Estimation (IDEAL) Imaging in Minimizing Metallic Artifacts
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Cha JG, Hong HS, Park JS, Paik SH, Lee HK
- KMID: 1372853
- Korean J Radiol.
- 2012 Jun;13(3):332-341.
- doi: 10.3348/kjr.2012.13.3.332
Iterative decomposition of water and fat with echo asymmetry and the least-squares estimation (IDEAL) is a recently developed method for robust separation of fat and water with very high signal-to-noise-ratio... -
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- Phantom Study of a New Laser-Etched Needle for Improving Visibility During Ultrasonography-Guided Lumbar Medial Branch Access With Novices
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Park JW, Cheon MW, Lee MH
- KMID: 2356642
- Ann Rehabil Med.
- 2016 Aug;40(4):575-582.
- doi: 10.5535/arm.2016.40.4.575
OBJECTIVE: To compare the visibility and procedural parameters between a standard spinal needle and a new laser-etched needle (LEN) in real-time ultrasonography guided lumbar medial branch access in a phantom... -
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- Evaluation of factors influencing arterial Doppler waveforms in an in vitro flow phantom
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Sung CK, Lee KH, Kim SH
- KMID: 2365575
- Ultrasonography.
- 2017 Jan;36(1):39-52.
- doi: 10.14366/usg.15055
PURPOSE: The aim of this study was to investigate factors that influence arterial Doppler waveforms in an in vitro phantom to provide a more accurate and comprehensive explanation of the... -
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