| Rapid motion correction in MR-guided high-intensity focused ultrasound heating using real-time ultrasound echo information. | |
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MedLine Citation:
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PMID: 20669159 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The objective of this study was to evaluate the feasibility of integrating real-time ultrasound echo guidance in MR-guided high-intensity focused ultrasound (HIFU) heating of mobile targets in order to reduce latency between displacement analysis and HIFU treatment. Experiments on a moving phantom were carried out with MRI-guided HIFU during continuous one-dimensional ultrasound echo detection using separate HIFU and ultrasound imaging transducers. Excellent correspondence was found between MR- and ultrasound-detected displacements. Real-time ultrasound echo-based target tracking during MR-guided HIFU heating is shown with the dimensions of the heated area similar to those obtained for a static target. This work demonstrates that the combination of the two modalities opens up perspectives for motion correction in MRI-guided HIFU with negligible latency. |
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Authors:
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Philippe Lourenço de Oliveira; Baudouin Denis de Senneville; Iulius Dragonu; Chrit T W Moonen |
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Publication Detail:
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Type: Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: NMR in biomedicine Volume: 23 ISSN: 1099-1492 ISO Abbreviation: NMR Biomed Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2010-10-21 Completed Date: 2011-01-28 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8915233 Medline TA: NMR Biomed Country: England |
Other Details:
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Languages: eng Pagination: 1103-8 Citation Subset: IM |
Affiliation:
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Laboratory for Molecular and Functional Imaging,UMR 5231 CNRS/Université Bordeaux 2, Bordeaux, France. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Heating Humans Magnetic Resonance Imaging / instrumentation, methods* Motion Phantoms, Imaging* Transducers Ultrasonic Therapy / instrumentation, methods Ultrasonics* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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