The use of diagnostic ultrasound as a tool for noninvasive temperature feedback, image guidance, and damage assessment is described. The physical principles allowing for such applications are discussed along with the underlying scattering models. It is shown that temperature changes on the order of 0.1 °C can be detected with a spatial resolution on the order of 1 mm. It is further shown that temperature variations can be tracked up to nearly 20 °C from baseline for relatively long durations. In addition to temperature feedback, the potential for using ultrasound for damage assessment is discussed. Finally, the latest efforts on new self-guided ultrasonic phased array systems for imaging and therapy are discussed. The paper is concluded with a discussion of the future directions that will ultimately define the role of diagnostic and therapeutic ultrasound in the general area of image-guided surgery.
|Original language||English (US)|
|Number of pages||25|
|Journal||Proceedings of SPIE - The International Society for Optical Engineering|
|State||Published - Jan 24 2000|
|Event||Matching the Energy Source to the Clinical Need: A Critical Review 1990 - Los Angeles, United States|
Duration: Jan 15 1990 → Jan 16 1990
Bibliographical noteFunding Information:
This work was funded by Grant CA 66602 from the National Institutes of Health. Many thanks to former students P. VanBaren, C. Simon, and K. Oweiss for help with the data collection and storage.
© 2017 SPIE.
- Noninvasive surgery
- autoregressive modeling.
- image guidance
- phased arrays
- treatment monitoring
- ultrasonic imaging