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3D Ultrasound Elastography for Early Detection of Lesions. Evaluation on a Pressure Ulcer Mimicking Phantom

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7 Author(s)
Jean-Francois Deprez ; laboratory CREATIS (Application & Research Center for Image and Signal Processing), INSA-Lyon, Université de Lyon, CNRS UMR 5220 & INSERM U630, 7 avenue Jean Capelle, Villeurbanne, 69621 France; phone: 33 4 72 43 62 54; fax: 33 4 72 43 85 26; e-mail: ; Guy Cloutier ; Cedric Schmitt ; Claudine Gehin
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A pressure ulcer is a damaged tissue area induced by an unrelieved pressure compressing the tissue during a prolonged period of immobility. The lack of information and studies on the development of this pathology makes its prevention difficult. However, it is both acknowledged that lesions initiate in the deep muscular tissues before they expand to the skin, and that lesions are harder than healthy tissues. Elastography is therefore an interesting tool for an early detection of the pathology. A 3D strain estimation algorithm is presented and evaluated on a PVA-cryogel phantom, mimicking a pressure ulcer at an early stage.

Published in:

2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society

Date of Conference:

22-26 Aug. 2007