- Artifacts in MR imaging caused by air and fat: an experimental study
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Park KJ, Choi BI, Chang KH, Cha SH, Kim SJ
- KMID: 2416542
- J Korean Radiol Soc.
- 1992 Jun;28(3):321-326.
To investigate the nature of artifacts caused by air and chemical shift by fat, a test tube phantom study was performed in 2.0T and 0.5T superconducting magnetic resonance imaging systems... -
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- Determination and classification of intraoral phosphor storage plate artifacts and errors
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Deniz Y, Kaya S
- KMID: 2458371
- Imaging Sci Dent.
- 2019 Sep;49(3):219-228.
- doi: 10.5624/isd.2019.49.3.219
PURPOSE: The aim of this study was to determine the reasons and solutions for intraoral phosphor storage plate (PSP) image artifacts and errors, and to develop an appropriate classification of... -
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- MRI Artifacts
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Choi SS
- KMID: 1540729
- J Korean Soc Magn Reson Med.
- 1997 Dec;1(1):51-57.
No abstract available. -
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- Image quality and artifacts in automated breast ultrasonography
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Kim SH
- KMID: 2433296
- Ultrasonography.
- 2019 Jan;38(1):83-91.
- doi: 10.14366/usg.18016
Three-dimensional automated breast ultrasonography (ABUS) has been approved for screening Epub ahead of print studies as an adjunct to mammography. ABUS provides proper orientation and documentation, resulting in better reproducibility.... -
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- A study of artifacts in MR imaging induced by metalic aneurysm clips
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Lee JH, Chang KH, Park JH
- KMID: 2347711
- J Korean Radiol Soc.
- 1992 Apr;28(2):307-313.
To investigate MR artifacts induced by metallic implants, scans were obtained using both the ferromagnetic Drake lip and the non ferromagnetic Yasargil clip. Scan were taken through the area of... -
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- MR imaging of metallic artifacts
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Shin IS, Ryu KN, Choi WS, Lee SW, Sung DW
- KMID: 2383134
- J Korean Radiol Soc.
- 1993 Oct;29(5):1093-1099.
To evaluate the typical appearance and the influence in the image interpretation of the metallic artifact which is known as one of the patient-related field artifacts, we analysed the magnetic... -
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- Quantitative Analysis of Factors Affecting Cobalt Alloy Clip Artifacts in Computed Tomography
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Sim SY, Choi CH
- KMID: 2018098
- J Korean Neurosurg Soc.
- 2014 Nov;56(5):400-404.
- doi: 10.3340/jkns.2014.56.5.400
OBJECTIVE: Clip artifacts limit the visualization of intracranial structures in CT scans from patients after aneurysmal clipping with cobalt alloy clips. This study is to analyze the parameters influencing the... -
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- A Study of Artifacts in Skin Biopsy and Preparation of the Histologic Sections
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Lee JS, Park SY, Kim SN
- KMID: 2231664
- Korean J Dermatol.
- 1985 Apr;23(2):191-198.
Dermatologist should be aware of the practical importance of proper selection of ski.n lesions for histologic examination, the correct methods for performing biopsy, and steps involved in tissue preparation. They... -
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- Artifacts due to Retrograde Flow in the Artery and Their Elimination in 2D TOF MR Angiography
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Jung KJ, Lee JK, Kim SK, Park SH
- KMID: 2099804
- J Korean Soc Magn Reson Med.
- 2001 Jun;5(1):38-42.
Dark band artifacts are often observed in angiograms of arteries obtained by 2D time-of-flight (TOF) angiography with saturation of veins by presaturation RF pulses. At some arteries the arterial blood... -
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- The elimination of the linear artifacts by the metal restorations in the three dimensional computed tomographic images using the personal computer and software
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Park H, Lee HC, Kim KD, Park CS
- KMID: 1873585
- Korean J Oral Maxillofac Radiol.
- 2003 Sep;33(3):151-159.
PURPOSE: The purpose of this study is to evaluate the effectiveness and usefulness of newly developed personal computer-based software to eliminate the linear artifacts by the metal restorations. MATERIALS AND... -
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- Combined Electrocardiography- and Respiratory-Triggered CT of the Lung to Reduce Respiratory Misregistration Artifacts between Imaging Slabs in Free-Breathing Children: Initial Experience
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Goo HW, Allmendinger T
- KMID: 2427223
- Korean J Radiol.
- 2017 Oct;18(5):860-866.
- doi: 10.3348/kjr.2017.18.5.860
OBJECTIVE: Cardiac and respiratory motion artifacts degrade the image quality of lung CT in free-breathing children. The aim of this study was to evaluate the effect of combined electrocardiography (ECG)... -
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- Artifacts Associated with Spectral-Domain Optical Coherence Tomography
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Kim HJ, Chung H, Kim HC
- KMID: 2214771
- J Korean Ophthalmol Soc.
- 2011 Aug;52(8):943-951.
- doi: 10.3341/jkos.2011.52.8.943
PURPOSE: To report frequencies of image artifacts associated with spectral-domain optical coherence tomography (SD-OCT) and to evaluate the impact of artifacts on foveal thickness measurements. METHODS: This retrospective study included 267... -
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- Normal Variants and Artifacts in Bone Scan: Potential for Errors in Interpretation
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Sohn MH
- KMID: 1590215
- Korean J Nucl Med.
- 2004 Feb;38(1):1-20.
Bone scan is one of the most frequently performed studies in nuclear medicine. In bone scan, the amount of radioisotope taken up by lesion depends primarily on the local rate... -
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- A Perforator Originating from the Aneurysmal Dome : Image Artifact of 3D Digital Subtraction Angiogram
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Lim SM, Seo EK
- KMID: 1910794
- Neurointervention.
- 2008 Feb;3(1):46-49.
3D DSA has been introduced recently and was known to be useful for evaluating aneurysmal shapes and relations to neighboring arteries. However, there are some problems related to image acquisition... -
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- Comparison of Aneurysmal Clip-induced Artifacts in 64- and 16-row Multislice Computed Tomography Angiograms
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Choi H, Lee SJ, Sohn C, Kim JE, Kang HS
- KMID: 2256738
- Korean J Cerebrovasc Surg.
- 2011 Sep;13(3):235-238.
OBJECTIVE: The aim of this study was to compare titanium and cobalt alloy clip induced artifacts in 16- and 64-row multislice computed tomography angiograms. METHODS: A total of 40 intracranial aneurysms... -
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- Gold-wire artifacts on diagnostic radiographs: A case report
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Keestra JA, Jacobs R, Quirynen M
- KMID: 1974478
- Imaging Sci Dent.
- 2014 Mar;44(1):81-84.
- doi: 10.5624/isd.2014.44.1.81
This report described a case in which diagnostic radiographs showed irregular dense radiopaque strings and curved lines in the head and neck area. These artifacts could lead to misinterpretation since... -
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- Does the metal artifact reduction algorithm activation mode influence the magnitude of artifacts in CBCT images?
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Fontenele , Nascimento EHL, Santaella , Freitas DQ
- KMID: 2471842
- Imaging Sci Dent.
- 2020 Mar;50(1):23-30.
- doi: 10.5624/isd.2020.50.1.23
PURPOSE: This study was conducted to assess the effectiveness of a metal artifact reduction (MAR) algorithm activated at different times during cone-beam computed tomography (CBCT) acquisition on the magnitude of... -
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- Principle and Comprehension of Ultrasound Imaging
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Shin SJ, Jeong BJ
- KMID: 1494144
- J Korean Orthop Assoc.
- 2013 Oct;48(5):325-333.
- doi: 10.4055/jkoa.2013.48.5.325
Ultrasound is a sound wave beyond the audible frequency. Owing to technological development, the extent of use of ultrasound in orthopaedics is expanding. Ultrasound is produced by a piezoelectric effect... -
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- Artifacts on CT Angiography
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Park DW, Park CK, Kim YS, Lee SR, Hahm CK, Kim JM
- KMID: 2346877
- J Korean Radiol Soc.
- 1996 Dec;35(6):855-862.
PURPOSE: To demonstrate various artifacts on CT angiography (CTA) and by analysing their frequency and causeto improve diagnostic accuracy and CTA image. MATERIALS AND METHODS: CTA was performed with spiral CT... -
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- The role of the acoustic radiation force in color Doppler twinkling artifacts
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Yang JH, Kang G, Choi MJ
- KMID: 2159384
- Ultrasonography.
- 2015 Apr;34(2):109-114.
- doi: 10.14366/usg.14065
PURPOSE: The aim of this experimental study was to evaluate whether the acoustic radiation force (ARF) is a potential source of twinkling artifacts in color Doppler images. METHODS: Color Doppler images... -
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