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https://hdl.handle.net/20.500.14279/13868| Title: | Penetration of high intensity focused ultrasound ex vivo and in vivo rabbit brain using MR imaging | Authors: | Parea, Gavriella Ioannides, Kleanthis Couppis, Andreas HadjiCharalambous, Theodoros Mylonas, Nicos Iosif, Dimitris Hadjisavvas, Venediktos Damianou, Christakis A. Kyriacou, Panayiotis A. |
Major Field of Science: | Engineering and Technology | Field Category: | Electrical Engineering - Electronic Engineering - Information Engineering | Keywords: | Lesion;MRI;Ultrasound | Issue Date: | 1-Dec-2009 | Source: | 9th International Conference on Information Technology and Applications in Biomedicine, ITAB 2009 | Conference: | 9th International Conference on Information Technology and Applications in Biomedicine, ITAB 2009 | Abstract: | In this paper magnetic resonance imaging (MRI) is investigated for monitoring the penetration of high intensity focused ultrasound (HIFU) ex vivo and in vivo rabbit brain. A single element spherically focused transducer of 5 em diameter, focusing at 10 em and operating at 2 MHz was used. A prototype MRI- compatible positioning device is described. MRI images were taken using fast spin echo (FSE). The length of the lesions in vivo rabbit brain was much higher than the length ex vivo, proving that the penetration in the ex vivo brain is limited by reflection due to trapped bubbles in the blood vessels. ©2009 IEEE. | ISBN: | 978-142445379-5 | DOI: | 10.1109/ITAB.2009.5394415 | Rights: | © IEEE | Type: | Conference Papers | Affiliation : | City University London Frederick University Ygia Polyclinic Hospital Medsonic Ltd |
| Appears in Collections: | Δημοσιεύσεις σε συνέδρια /Conference papers or poster or presentation |
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