MR guided focused ultrasound for high risk and recurrent breast cancer

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4 Scopus citations

Abstract

In this work we investigate the feasibility of MR guided focused ultrasound (MRgFUS) as an alternative treatment modality for high risk and recurrent breast cancers to replace surgery and/or RT. Preliminary in vitro and in vivo experiments have demonstrated the ability of MRgFUS to ablate various tissues in well defined treatment volumes with an array of sonications under real-time image guidance. Our MRgFUS system consists of an Insightec ExAblate 2000 high-intensity focused ultrasound (HIFU) system and a 1.5T GE MR scanner. This system has been FDA approved for the treatment of uterine fibroids clinically and is being investigated under local IRB approval for treating bone metastases, prostate and breast cancers and the enhancement of drug delivery for gene therapy and chemotherapy. A comprehensive quality assurance (QA) program has been developed for the safe and effective operation of the MRgFUS system including system commissioning, monthly and annual QA procedures and pre-treatment calibration. Optimal parameters have been derived for breast treatment. For high-risk patients MRgFUS is used to ablate small (< 2cm) tumor volumes in combination with radiotherapy and chemotherapy. Larger treatment volumes (plus a margin) are designed for recurrent breast cancers.

Original languageEnglish
Title of host publicationWorld Congress on Medical Physics and Biomedical Engineering - Surgery, Minimal Invasive Interventions, Endoscopy and Image Guided Therapy
PublisherSpringer Verlag
Pages140-143
Number of pages4
Edition6
ISBN (Print)9783642039058
DOIs
StatePublished - 2009
EventWorld Congress on Medical Physics and Biomedical Engineering - Surgery, Minimal Invasive Interventions, Endoscopy and Image Guided Therapy - Munich, Germany
Duration: Sep 7 2009Sep 12 2009

Publication series

NameIFMBE Proceedings
Number6
Volume25
ISSN (Print)1680-0737

Conference

ConferenceWorld Congress on Medical Physics and Biomedical Engineering - Surgery, Minimal Invasive Interventions, Endoscopy and Image Guided Therapy
Country/TerritoryGermany
CityMunich
Period09/7/0909/12/09

Keywords

  • Breast cancer
  • Focused ultrasound
  • HIFU
  • MRI
  • MRgFUS

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