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Transthoracic ultrasound shear wave elastography for the study of subpleural lung lesions

Quarato CMI, Venuti M, Dimitri L, Lacedonia D, Simeone A, Mirijello A, Cosmo SD, Maiello E, Taurchini M, Scioscia G, Barbaro MPF, Copetti M, Sperandeo M

Purpose: The aim of this study was to assess whether new-generation shear wave elastography (SWE) is suitable for the characterization of lung subpleural lesions. Methods: In total, 190 consecutive patients with...
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Influence of receiver bandwidth on MRI artifacts caused by orthodontic brackets composed of different alloys

Abdala-Junior R, No-Cortes J, Arita ES, Ackerman JL, Berbel da Silva RL, Kim JH, Gonzalez Cortes AR

Purpose: The aim of this in vitro study was to assess the role of bandwidth on the area of magnetic resonance imaging (MRI) artifacts caused by orthodontic appliances composed of...
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attoo-Induced Artifacts during Cardiac Magnetic Resonance Imaging: A Case Report

Lim SH, Ahn JH, Hong SP

  • KMID: 2517152
  • Korean J Dermatol.
  • 2021 Jun;59(5):415-416.
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Clinical Applications of Dual-Energy CT

Hamid S, Nasir MU, So A, Andrews G, Nicolaou S, Qamar SR

Dual-energy CT (DECT) provides insights into the material properties of tissues and can differentiate between tissues with similar attenuation on conventional single-energy imaging. In the conventional CT scanner, differences in...
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Cone-beam computed tomography artifacts in the presence of dental implants and associated factors: An integrative review

Terrabuio BR, Carvalho CG, Peralta-Mamani M, Silva Santos PSd, Rubira-Bullen IRF, Fischer Rubira CM

Purpose This study was conducted to review the literature regarding the types of cone-beam computed tomography (CBCT) artifacts around dental implants and the factors that influence their formation. Materials and Methods A search...
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Assessment of the efficiency of a pre- versus post-acquisition metal artifact reduction algorithm in the presence of 3 different dental implant materials using multiple CBCT settings: An in vitro study

Shahmirzadi S, Sharaf RA, Saadat S, Moore WS, Geha H, Tamimi D, Kocasarac HD

Purpose The aim of this study was to assess artifacts generated in cone-beam computed tomography (CBCT) of 3 types of dental implants using 3 metal artifact reduction (MAR) algorithm conditions (pre-acquisition...
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Influence of CBCT metal artifact reduction on vertical radicular fracture detection

Oliveira MR, Sousa TO, Caetano AF, Paiva RRd, Valladares-Neto J, Yamamoto-Silva FP, Garcia Silva MA

Purpose This study evaluated the influence of a metal artifact reduction (MAR) tool in a cone-beam computed tomography (CBCT) device on the diagnosis of vertical root fractures (VRFs) in teeth with...
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Orthodontic appliances and MR image artefacts: An exploratory in vitro and in vivo study using 1.5-T and 3-T scanners

Sonesson M, Al-Qabandi F, Månsson S, Abdulraheem S, Bondemark L, Hellén-Halme K

Purpose The aim of this study was to assess the artefacts of 12 fixed orthodontic appliances in magnetic resonance images obtained using 1.5-T and 3-T scanners, and to evaluate different imaging...
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Head motion during cone-beam computed tomography: Analysis of frequency and influence on image quality

Moratin J, Berger M, Rückschloss T, Metzger K, Berger H, Gottsauner M, Engel M, Hoffmann J, Freudlsperger C, Ristow O

Purpose: Image artifacts caused by patient motion cause problems in cone-beam computed tomography (CBCT) because they lead to distortion of the 3-dimensional reconstruction. This prospective study was performed to quantify...
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Influence of reconstruction parameters of micro-computed tomography on the analysis of bone mineral density

Gaêta-Araujo H, Nascimento EHL, Brasil DM, Madlum DV, Haiter-Neto F, Oliveira-Santos C

Purpose:This study was conducted evaluate the influence of reconstruction parameters of micro-computed tomography (micro-CT) images on bone mineral density (BMD) analyses. Materials and Methods:The sample consisted of micro-CT images of the...
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Influence of tooth position within the field of view on the intensity of cone-beam computed tomographic imaging artifacts when assessing teeth restored with various intracanal materials

Pinto MGdO, Melo SLS, Cavalcanti YW, Lima EDd, Bento PM, Melo DPd

Purpose:This study aimed to quantify the influence of tooth position within the field-of-view (FOV) on cone-beam computed tomography (CBCT) imaging artifacts' intensity when assessing teeth restored with various intracanal materials. Materials...
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Does the metal artifact reduction algorithm activation mode influence the magnitude of artifacts in CBCT images?

Fontenele , Nascimento EHL, Santaella , Freitas DQ

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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Magnitude of beam-hardening artifacts produced by gutta-percha and metal posts on cone-beam computed tomography with varying tube current

Gaêta-Araujo H, Nascimento EHL, Fontenele , Mancini AX, Freitas DQ, Oliveira-Santos C

PURPOSE: This study was performed to evaluate the magnitude of artifacts produced by gutta-percha and metal posts on cone-beam computed tomography (CBCT) scans obtained with different tube currents and with...
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Gastromalacia (Postmortem Gastric Perforation): Two Cases Reports

Kim DJ, Lee S

Gastromalacia refers to the postmortem acute autolytic erosion of the gastric wall. It should be distinguished from gastric perforations caused by antemortem injuries or other pathologic processes, such as ulcer...
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Determination and classification of intraoral phosphor storage plate artifacts and errors

Deniz Y, Kaya S

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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Image quality and artifacts in automated breast ultrasonography

Kim SH

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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Unwanted effects due to interactions between dental materials and magnetic resonance imaging: a review of the literature

Chockattu , Suryakant , Thakur S

Magnetic resonance imaging (MRI) is an advanced diagnostic tool used in both medicine and dentistry. Since it functions based on a strong uniform static magnetic field and radiofrequency pulses, it...
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Spiral scanning imaging and quantitative calculation of the 3-dimensional screw-shaped bone-implant interface on micro-computed tomography

Choi JY, Choi CA, Yeo IS

PURPOSE: Bone-to-implant contact (BIC) is difficult to measure on micro-computed tomography (CT) because of artifacts that hinder accurate differentiation of the bone and implant. This study presents an advanced algorithm...
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Metal artifact production and reduction in CBCT with different numbers of basis images

Queiroz PM, Santaella , Groppo FC, Freitas DQ

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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Comparison of Metal Artifact Reduction for Orthopedic Implants versus Standard Filtered Back Projection: Value of Postoperative CT after Hip Replacement

Rim J, Choi JA, Lee SA, Khil EK

PURPOSE: To evaluate Metal Artifact Reduction for Orthopedic Implants (O-MAR, Philips Healthcare) technique compared with standard filtered back projection (SFBP) technique on post-operative hip CT regarding image noise reduction and...
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