MR acoustic radiation force imaging: In vivo comparison to ultrasound motion tracking

Yuexi Huang; Laura Curiel; Aleksandra Kukic; Donald B. Plewes; Rajiv Chopra; Kullervo Hynynen

doi:10.1118/1.3120289

MR acoustic radiation force imaging: In vivo comparison to ultrasound motion tracking

Yuexi Huang, Laura Curiel, Aleksandra Kukic, Donald B. Plewes, Rajiv Chopra, Kullervo Hynynen

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

MR acoustic radiation force (ARF) imaging was developed for measuring tissue elastic properties using focused ultrasound to deliver a localized tissue motion. In this study, an imaging ultrasound transducer was mounted on the focused ultrasound transducer and ultrasound motion tracking was performed simultaneously to MR ARF imaging to validate the measurement results. In vivo studies on rabbit thigh muscle were performed and results showed a general agreement between the two modalities (slope=0.96 and R2 =0.67). The temporal information by the ultrasound measurement indicates that the parameters in MR ARF imaging should be optimized according to the tissue type, acoustic power, and envelope and frequency of the ARF modulation.

Original language	English (US)
Pages (from-to)	2016-2020
Number of pages	5
Journal	Medical physics
Volume	36
Issue number	6
DOIs	https://doi.org/10.1118/1.3120289
State	Published - 2009

Keywords

Acoustic radiation force
Elastography
Focused ultrasound
Local harmonic motion
Tissue displacement

ASJC Scopus subject areas

Biophysics
Radiology Nuclear Medicine and imaging

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10.1118/1.3120289

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@article{20e9fd1863b442a88b51caccf8b7b9a9,

title = "MR acoustic radiation force imaging: In vivo comparison to ultrasound motion tracking",

abstract = "MR acoustic radiation force (ARF) imaging was developed for measuring tissue elastic properties using focused ultrasound to deliver a localized tissue motion. In this study, an imaging ultrasound transducer was mounted on the focused ultrasound transducer and ultrasound motion tracking was performed simultaneously to MR ARF imaging to validate the measurement results. In vivo studies on rabbit thigh muscle were performed and results showed a general agreement between the two modalities (slope=0.96 and R2 =0.67). The temporal information by the ultrasound measurement indicates that the parameters in MR ARF imaging should be optimized according to the tissue type, acoustic power, and envelope and frequency of the ARF modulation.",

keywords = "Acoustic radiation force, Elastography, Focused ultrasound, Local harmonic motion, Tissue displacement",

author = "Yuexi Huang and Laura Curiel and Aleksandra Kukic and Plewes, {Donald B.} and Rajiv Chopra and Kullervo Hynynen",

note = "Funding Information: The authors thank Peter Siegler for advice on the MR sequence and Shawna Rideout-Gros for helping with the animal studies and acknowledge the funding support from NIH Grant No. R33 CA102884, CRC program, and Terry Fox Foundation. Contract grant sponsor is NIH Grant No. R21/R33 CA102884-01.",

year = "2009",

doi = "10.1118/1.3120289",

language = "English (US)",

volume = "36",

pages = "2016--2020",

journal = "Medical physics",

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publisher = "AAPM - American Association of Physicists in Medicine",

number = "6",

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T1 - MR acoustic radiation force imaging

T2 - In vivo comparison to ultrasound motion tracking

AU - Huang, Yuexi

AU - Curiel, Laura

AU - Kukic, Aleksandra

AU - Plewes, Donald B.

AU - Chopra, Rajiv

AU - Hynynen, Kullervo

N1 - Funding Information: The authors thank Peter Siegler for advice on the MR sequence and Shawna Rideout-Gros for helping with the animal studies and acknowledge the funding support from NIH Grant No. R33 CA102884, CRC program, and Terry Fox Foundation. Contract grant sponsor is NIH Grant No. R21/R33 CA102884-01.

PY - 2009

Y1 - 2009

N2 - MR acoustic radiation force (ARF) imaging was developed for measuring tissue elastic properties using focused ultrasound to deliver a localized tissue motion. In this study, an imaging ultrasound transducer was mounted on the focused ultrasound transducer and ultrasound motion tracking was performed simultaneously to MR ARF imaging to validate the measurement results. In vivo studies on rabbit thigh muscle were performed and results showed a general agreement between the two modalities (slope=0.96 and R2 =0.67). The temporal information by the ultrasound measurement indicates that the parameters in MR ARF imaging should be optimized according to the tissue type, acoustic power, and envelope and frequency of the ARF modulation.

AB - MR acoustic radiation force (ARF) imaging was developed for measuring tissue elastic properties using focused ultrasound to deliver a localized tissue motion. In this study, an imaging ultrasound transducer was mounted on the focused ultrasound transducer and ultrasound motion tracking was performed simultaneously to MR ARF imaging to validate the measurement results. In vivo studies on rabbit thigh muscle were performed and results showed a general agreement between the two modalities (slope=0.96 and R2 =0.67). The temporal information by the ultrasound measurement indicates that the parameters in MR ARF imaging should be optimized according to the tissue type, acoustic power, and envelope and frequency of the ARF modulation.

KW - Acoustic radiation force

KW - Elastography

KW - Focused ultrasound

KW - Local harmonic motion

KW - Tissue displacement

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MR acoustic radiation force imaging: In vivo comparison to ultrasound motion tracking

Abstract

Keywords

ASJC Scopus subject areas

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