Anisotropy of the ultrasonic attenuation in soft tissues: Measurements invitro

JG Mottley, JG Miller - The Journal of the Acoustical Society of America, 1990 - pubs.aip.org
This study was designed to measure the ultrasonic attenuation within phantoms and tissue
samples over a broad bandwidth and at many angles of incidence with respect to intrinsic …

[HTML][HTML] Mechanisms of ultrasonic attenuation in soft tissue

M O'Donnell, JG Miller - Ultrasonic Tissue Characterization, 1979 - books.google.com
Ultrasonic loss mechanisms which arise from the microscopically inhomogeneous nature of
soft tissue are investigated over the frequency range 1 to 10 MHz. Contributions to the …

Anisotropy of ultrasonic propagation and scattering properties in fresh rat skeletal muscle in vitro

KA Topp, WD O'Brien Jr - The Journal of the Acoustical Society of …, 2000 - pubs.aip.org
The anisotropy of frequency-dependent backscatter coefficient, attenuation, and speed of
sound is assessed in fresh rat skeletal muscle within 5 h post-mortem. Excised rat …

Anisotropy of the slope of ultrasonic attenuation in formalin fixed human myocardium

ED Verdonk, BK Hoffmeister, SA Wickline… - The Journal of the …, 1996 - pubs.aip.org
Clinical implementation of quantitative ultrasonic tissue characterization is likely to require
imaging the heart with sound propagating at varying angles relative to the fibers of the heart …

Anisotropy of the ultrasonic backscatter of myocardial tissue: I. Theory and measurements invitro

JG Mottley, JG Miller - The Journal of the Acoustical Society of America, 1988 - pubs.aip.org
This research addresses the variations in the ultrasonic backscatter from specimens
consisting of a suspension of approximately aligned cylindrical scatterers in a fluid medium …

Effect of collagen on the anisotropy of quasi‐longitudinal mode ultrasonic velocity in fibrous soft tissues: A comparison of fixed tendon and fixed myocardium

BK Hoffmeister, ED Verdonk, SA Wickline… - The Journal of the …, 1994 - pubs.aip.org
The widespread use of echocardiography has generated considerable interest in the
ultrasonic properties of myocardial collagen. This study was designed to investigate the …

Comparison of the anisotropy of apparent integrated ultrasonic backscatter from fixed human tendon and fixed human myocardium

BK Hoffmeister, AK Wong, ED Verdonk… - The Journal of the …, 1995 - pubs.aip.org
The content and organization of collagen in the cardiac interstitium may represent significant
determinants of the ultrasonic scattering properties of myocardium. This study was designed …

Interlaboratory comparison of ultrasonic backscatter, attenuation, and speed measurements.

EL Madsen, F Dong, GR Frank… - Journal of ultrasound …, 1999 - Wiley Online Library
In a study involving 10 different sites, independent results of measurements of ultrasonic
properties on equivalent tissue‐mimicking samples are reported and compared. The …

Anisotropy of the transverse mode ultrasonic properties of fixed tendon and fixed myocardium

BK Hoffmeister, SE Gehr, JG Miller - The Journal of the Acoustical …, 1996 - pubs.aip.org
This study investigates the influence of the fiber‐reinforced nature of myocardium and
tendon on the propagation of transverse mode ultrasonic waves. Formalin fixed specimens …

Ultrasonic attenuation and propagation speed in mammalian tissues as a function of temperature

JC Bamber, CR Hill - Ultrasound in medicine & biology, 1979 - Elsevier
Ultrasonic attenuation in the frequency range 1–7 MHz, and the speed of sound, were
determined experimentally in both fresh and fixed bovine and human soft tissues for various …