Adaptive volumetric MR-guided high-intensity focused ultrasound ablations for moving organs

S. Hey, B. D. De Senneville, G. Maclair, C. Mougenot, B. Quesson, C. T.W. Moonen, M. Ries

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

In this work, a method for the optimization of volumetric MR-guided high intensity focused ultrasound (HIFU) ablations is presented. We propose to monitor the thermal dose in the target area to ensure a complete destruction of the tumor tissue. A trajectory of ablation points is optimized based on the thermal energy distribution measured by PRFS-based MR thermometry. The combination with a 3D motion correction technique including tracking of the focal point position allows for an effective destruction of the target tissue with minimal energy, time and damage outside the target area. The proposed method was tested successfully in an ex-vivo experiment under conditions simulating respiratory movement of abdominal organs.

Original languageEnglish
Title of host publication9th International Symposium on Therapeutic Ultrasound - ISTU 2009
Pages49-52
Number of pages4
DOIs
Publication statusPublished - 2010
Externally publishedYes
Event9th International Symposium on Therapeutic Ultrasound, ISTU 2009 - Aix-en-Provence, France
Duration: 24 Sept 200926 Sept 2009

Publication series

NameAIP Conference Proceedings
Volume1215
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference9th International Symposium on Therapeutic Ultrasound, ISTU 2009
Country/TerritoryFrance
CityAix-en-Provence
Period24/09/0926/09/09

Keywords

  • Focused ultrasound
  • MR thermometry
  • Volume control

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