NDLI: Classification of simulated hyperplastic stages in the breast ducts based on ultrasound RF echo

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Spatial encoding using a code division technique for fast ultrasound imaging

Displacement vector measurement using instantaneous ultrasound signal phase-multidimensional autocorrelation and Doppler methods

Characterization of cell membrane response to ultrasound activated microbubbles

Classification of simulated hyperplastic stages in the breast ducts based on ultrasound RF echo

Broadband ultrasound attenuation in the calcaneal region: a comparative study of single-position versus scanning systems

Microcirculation volumetric flow assessment using high-resolution, contrast-assisted images

A nonlinear propagation model-based phase calibration technique for membrane hydrophones

Phase-based ultrasonic deformation estimation

A study on the reconstruction of moderate contrast targets using the distorted born iterative method

Prediction of surface temperature rise of ultrasonic diagnostic array transducers

Self-heating study of bulk acoustic wave resonators under high RF power

Nonlinear interface between the piezoelectric harvesting structure and the modulating circuit of an energy harvester with a real storage battery

Methodology for developing a high-precision ultrasound flow meter and fluid velocity profile reconstruction

Numerical implementation of matching pursuit for the analysis of complex ultrasonic signals

An adaptive recurrent radial basis function network tracking controller for a two-dimensional piezo-positioning stage

Temperature-stable double SAW resonators

Z-path SAW RFID tag

Lead-free piezoelectric ceramic transducer in the donor-doped K_1/2Na_1/2NbO₃ solid solution system

Estimation of the surface normal velocity of high frequency ultrasound transducers

Synthetic axial acquisition-full resolution, low-cost C-scan ultrasonic imaging

High-frame rate, full-view myocardial elastography with automated contour tracking in murine left ventricles in vivo

Improved contrast ultrasound with tissue harmonic minimizing pulse

A new method for estimation of elastic properties of sintered iron powder compacts from ultrasonic longitudinal velocity

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Classification of simulated hyperplastic stages in the breast ducts based on ultrasound RF echo

Content Provider	IEEE Xplore Digital Library
Author	Taslidere, E. Cohen, F.S. Georgiou, G.
Copyright Year	1986
Abstract	Visual inspection of ultrasound is diagnostically limited for characterizing breast tissue, in particular when it comes to visually detecting hyperplasia that forms in the ducts at its early formation (at submillimeter resolution) stages. It can, of course, be seen using biopsies. But this will not be done unless the areas have been flagged using noninvasive modalities. The aim of this paper is to draw to the attention of the medical community (albeit through simulations) that the continuous wavelet transform decomposition (CWTD) that was proven in vivo for tissue characterization before has the potential to flag out simulated hyperplasia data at submillimeter resolutions. And it might be an excellent candidate for detecting in vivo hyperplastic changes in the breast. To the best of our knowledge, this is the first attempt at studying the potential of detecting cell growth in breast ducts using ultrasound. The stochastic decomposition model (the CWTD) of the RF echo with its coherent and diffuse components, yields image parameters that correlate closely with the structural parameters of the (simulated) hyperplastic stages of the breast tissue. The discrimination power of the various parameters is studied under a host of conditions, such as varying resolution, depth, and coherent to diffuse energy ratio (CDR) values using a point-scatterer model simulator that mimics epithelium hyperplastic growth in the breast ducts. These are shown to be useful for detecting the various types of simulated hyperplastic data. Careful analysis shows that three parameters, in particular the number of coherent scatterers, the Rayleigh scattering degree, and the energy of the diffuse scatterers, are most sensitive to variations in the hyperplastic simulated data. And they show very high ability to discriminate between various stages of simulated hyperplasia, even in cases of low resolution and low CDR values. Using the area under the receiver operating characteristics (ROC) curve (A_z) as the performance metric, values of A_z > 0.942 are obtained when discriminating between stages for resolution les 0.4 mm, even for low CDR values. Then it drops below the 0.9 range as the resolution exceeds the 0.4-mm range. A nonparametric segmentation method to extract ductal areas from breast scans is presented to be used as a pre-step before classification of hyperplastic stages in breast ducts. This is a necessary step for segmenting the RF scan into ductal versus nonductal areas from breast scans. This is tested using breast tissue mimicking phantom data resulting values of A_z > 0.948 for different duct densities.
File Size	1186362
File Format	PDF
ISSN	08853010
Volume Number	55
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ducts Ultrasonic imaging Radio frequency Continuous wavelet transforms Breast tissue Rayleigh scattering Medical simulation In vivo Energy resolution Scattering parameters
Content Type	Text
Resource Type	Article
Subject	Acoustics and Ultrasonics Instrumentation Electrical and Electronic Engineering

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