Development of an Inverse Technique to Estimate the Ultrasound Field During Chest Wall and Breast Hyperthermia.
Abstract
A clinical system is being constructed to use inverse techniques to estimate the absorbed power field in the breast and chest wall during ultrasound hyperthermia. The system uses a B-mode ultrasound imager to construct a geometric model based upon each patient's anatomy and to initially measure the ultrasound attenuation coefficient at selected areas within the tissue region. The goal is to provide a tool to accurately estimate the ultrasound field so as to ensure therapeutic heating of the tumor while minimizing patient pain. In the first year of this project, all the clinical ultrasound data acquisition equipment has been built and integrated. Advanced two-dimensional numerical models of the ultrasound field using finite elements and integral equation methods have been developed. Future work will include numerical model verification studies, modification of the clinical thermocouple probes to measure the absorbed power and integration of all the components into the inverse technique.
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 28, 1995
- Accession Number
- ADA300003
Entities
People
- Andrew W. Dutton
Organizations
- University of Utah