Scanned-beam assisted mild tumor heating using a dual-functional ultrasound linear array

Chun Yen Lai, Dustin E. Kruse, Charles F. Caskey, Douglas N. Stephens, Patrick L. Sutcliffe, Katherine W. Ferrara

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A commercial ultrasound scanner, a customized co-linear array ultrasound transducer and a real-time temperature feedback controller have been combined to generate controlled mild hyperthermia. Previous studies have shown that single beam-based image-guided local drug delivery can improve the treatment of small tumors. In this study, a scanned-beam based insonation mode was developed to achieve uniform therapy over a larger region. A color-region of interest (ROI) was used to define the scanned area, while periodic B-mode imaging was used to visualize the tumor. In this study, a thermal strain algorithm was also examined for temperature estimation and this algorithm will be applied for temperature control in the future.

Original languageEnglish (US)
Title of host publicationProceedings - IEEE Ultrasonics Symposium
DOIs
StatePublished - 2009
Event2009 IEEE International Ultrasonics Symposium, IUS 2009 - Rome, Italy
Duration: Sep 20 2009Sep 23 2009

Other

Other2009 IEEE International Ultrasonics Symposium, IUS 2009
Country/TerritoryItaly
CityRome
Period9/20/099/23/09

Keywords

  • Mild hyperthermia
  • Thermal strain
  • Tissue heating
  • Ultrasound

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

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