Ultrasound elasticity imaging

Ultrasound elasticity imaging,10.1017/S1470903106002835,Breast Cancer Online,W. E. Svensson,D. Amiras

Ultrasound elasticity imaging   (Citations: 3)
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Before the advent of diagnostic imaging, palpation was one of the main methods of clinical investi- gation for the evaluation of tumours. Malignant tumours feel harder that benign ones and this physical prop- erty is related to their coefficient of elasticity. Direct comparison of tissue images before and after application of a force is too crude a measure of elasticity except at extremes of differences in elasticity. Analysis of the raw imaging data, which contains very much more information than can be displayed for visual perception, can detect very much smaller differences in elasticity. The radio frequency data of returning ultrasound echoes contain much more data than appears in an ultra- sound image. Comparison, of the datasets of uncompressed tissue with compressed tissue, of a region of interest allows production of a strain (elasticity) image of that same region of interest. Change in tissue which is not visible on B-mode (greyscale) imaging can now be detected with real time strain imaging which is begin- ning to be developed on commercial ultrasound equipment. The information obtained with strain/elasticity imaging is now showing potential in influencing management of patients with breast problems.
Journal: Breast Cancer Online , vol. 9, no. 06, 2006
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    • ...Quasistatic strain imaging was rst tested clinically for breast scanning [4] and breast screening has ever since been a key driver for research [7, 23, 24]...

    Joel E. Lindopet al. An Intelligent Interface for Freehand Strain Imaging

    • ...Candidate applications discussed in the academic literature have included detection of soft tissue tumours [11, 31, 39], discrimination without biopsy between complex cysts and malignant breast lesions [3], monitoring of atherosclerosis [7, 8], detection and grading of deep vein thrombosis [10], assessment of skin pathologies [45] and evaluation of myocardial fitness [16]...


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