Elastography - the movement begins

The advent of real-time ultrasound in the 1970s, together with a growing interest in tissue characterization, led to a number of investigators using the nature of tissue motion to distinguish healthy from diseased tissue. Our group at the (then) Ultrasonics Institute demonstrated the use of phase me...

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Bibliographic Details
Published in:Physics in medicine & biology 2000-06, Vol.45 (6), p.1409-1421
Main Authors: Wilson, L S, Robinson, D E, Dadd, M J
Format: Article
Language:English
Subjects:
Blood Vessels - diagnostic imaging
Echocardiography - history
Elasticity
Heart - embryology
History of medicine
History, 20th Century
Humans
Ultrasonography - history
Ultrasonography - methods
Ultrasonography, Doppler - history
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Summary:The advent of real-time ultrasound in the 1970s, together with a growing interest in tissue characterization, led to a number of investigators using the nature of tissue motion to distinguish healthy from diseased tissue. Our group at the (then) Ultrasonics Institute demonstrated the use of phase methods for detecting very small tissue motions, using natural stimuli. The method could also be applied in the lag (autocorrelation) domain to directly measure the amount of deformation to high accuracy. This method was also applied to measuring the amount of dilatation of blood vessels using both conventional and intravascular ultrasound. A basic limitation of these techniques was the poor spatial resolution, and quasistatic methods soon replaced this method of measuring tissue deformation. However, a new way of assessing the health of tissues had been established.
ISSN:0031-9155
1361-6560
DOI:10.1088/0031-9155/45/6/301