Journal ArticleDOI
Method to estimate the deviation from ideal uniaxial compression during freehand elastography.
Rongmin Xia,Arun K. Thittai +1 more
TLDR
A method to estimate the angle of iso-displacement contour at a given depth and use this as a measure to quantify the deviation from the desired uniaxial compression during freehand elastography is described.About:
This article is published in Ultrasonic Imaging.The article was published on 2015-01-01. It has received 7 citations till now. The article focuses on the topics: Elastography.read more
Citations
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Journal ArticleDOI
A Novel Elastographic Frame Quality Indicator and its use in Automatic Representative-Frame Selection from a Cine Loop
TL;DR: The results indicate that the automatic frame selection method described here may provide an objective way to select a representative frame while saving time for the radiologist.
Journal ArticleDOI
An analysis of the segmentation threshold used in axial–shear strain elastography
Arun K. Thittai,Rongmin Xia +1 more
TL;DR: This study utilizes ASSE from tissue mimicking phantom experiments and freehand - acquired in vivo breast lesion data to analyze the effect of segmentation threshold on ASSE feature value, specifically, the "fill-in" feature that was introduced recently.
Journal ArticleDOI
Electromagnetic tracking-based freehand 3D quasi-static elastography with 1D linear array: a phantom study
Fu-Feng Lee,Qiong He,Jianwen Luo +2 more
TL;DR: A novel method based on a commercial electromagnetic tracking system for freehand 3D quasi-static elastography with 1D linear array and shows that the volume estimation of the inclusions has good accuracy, while the diameters of theInclusions estimated from three orthogonal planes have larger errors up to 18%.
Journal ArticleDOI
Modeling and Analysis of Ultrasound Elastographic Axial Strains for Spine Fracture Identification
Peer Shafeeq Shajudeen,Songyuan Tang,Anuj Chaudhry,Namhee Kim,J. N. Reddy,Ennio Tasciotti,Raffaella Righetti +6 more
TL;DR: The results show that features resulting from strain elastograms can serve as a useful adjunct to B-mode images in identifying spine fractures in the selected animal samples, and this information could be helpful in clinical settings.
Journal ArticleDOI
Toward Quantitative and Operator-independent Quasi-static Ultrasound Elastography: An Ex Vivo Feasibility Study.
TL;DR: A noninvasive method that can be used to quantify liver stiffness using quasi-static ultrasound elastography approach is evaluated and suggested that the intra- and interoperator reproducibility of the liver elasticity also improved when using the handheld device.
References
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Journal ArticleDOI
Elastography: A Quantitative Method for Imaging the Elasticity of Biological Tissues
TL;DR: Initial results of several phantom and excised animal tissue experiments are reported which demonstrate the ability of this technique to quantitatively image strain and elastic modulus distributions with good resolution, sensitivity and with diminished speckle.
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Statistics of Speckle in Ultrasound B-Scans
TL;DR: In this article, the authors derived autocorrelation functions and power spectra derived from B-scans of a scattering phantom containing many scatterers per resolution cell, leading naturally to the definition of the average speckle spot or cell sue, and this inturn is comparable to the resolution cell.
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EFSUMB Guidelines and Recommendations on the Clinical Use of Ultrasound Elastography. Part 1: Basic Principles and Technology
Jeffrey C. Bamber,David O. Cosgrove,Christoph F. Dietrich,Jeremie Fromageau,Jörg Bojunga,Fabrizio Calliada,Cantisani,Jean Michel Correas,Mirko D'Onofrio,E. E Drakonaki,Mathias Fink,Mireen Friedrich-Rust,Odd Helge Gilja,Roald Flesland Havre,Christian Jenssen,Andrea Klauser,R Ohlinger,Adrian Saftoiu,F Schaefer,Ioan Sporea,Fabio Piscaglia +20 more
TL;DR: The technical part of these Guidelines and Recommendations provides an introduction to the physical principles and technology on which all forms of current commercially available ultrasound elastography are based.
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Phantom materials for elastography
TL;DR: In this article, a device and procedure for measuring elastic properties of gelatin for elasticity imaging (elastography) was described. And the measured compression forces were comparable to results obtained from finite element analysis when linear elastic media are assumed.
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Imaging the elastic properties of tissue: the 20 year perspective.
TL;DR: This review summarizes the fundamental principles, the timeline of developments in major categories of elastographic imaging, and concludes with recent results from clinical trials and forward-looking issues.