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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Eunsol Baek Jongbum Seo |
| Copyright Year | 2009 |
| Description | Author affiliation: Biomedical Engineering, Yonsei University, Wonju, Republic of Korea (Eunsol Baek; Jongbum Seo) |
| Abstract | High intensity focused ultrasound (HIFU) can noninvasively induce thermal coagulation in cancerous tissue. An adequate increase in temperature and an appropriate duration is critical for such thermally induced damage. The aim of this study was to provide a model pertinent to temperature monitoring based on ultrasound imaging in HIFU procedure. A two-dimensional model for temperature estimation based on the linear thermodynamic properties of biological tissues is addressed. To measure temperature changes in the focal zone, we proposed an algorithm using a lateral speckle tracking technique. A modified cross correlation algorithm with a synthetic lateral phase was developed to reduce the computation required allowing for real-time implementation. Using this method, the expected minimum measurable temperature change was approximately 3°C with a resolution of 5 mm in the axial direction and 2 mm in the lateral direction. It is believed that this model is a useful tool for the monitoring of temperature in HIFU. |
| Starting Page | 1761 |
| Ending Page | 1764 |
| File Size | 1553972 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424443895 |
| ISSN | 19485727 |
| DOI | 10.1109/ULTSYM.2009.5441894 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-09-20 |
| Publisher Place | Italy |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Speckle Temperature measurement Ultrasonic imaging Biological system modeling Temperature sensors Focusing Coagulation Thermodynamics Biological tissues Ultrasonic variables measurement cross correlation ultrasound surgery temperature monitoring lateral speckle tracking |
| Content Type | Text |
| Resource Type | Article |
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