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https://hdl.handle.net/20.500.14279/10973
Τίτλος: | MRI-compatible breast/rib phantom for evaluating ultrasonic thermal exposures | Συγγραφείς: | Menikou, Georgios Yiannakou, Marinos Yiallouras, Christos Ioannides, Cleanthis Damianou, Christakis A. |
Major Field of Science: | Medical and Health Sciences | Field Category: | Clinical Medicine | Λέξεις-κλειδιά: | Breast;Cancer;MRI;Rib;Ultrasound | Ημερομηνία Έκδοσης: | Φεβ-2018 | Πηγή: | International Journal of Medical Robotics and Computer Assisted Surgery, 2018, vol. 14, no. 1 | Volume: | 14 | Issue: | 1 | Περιοδικό: | The International Journal of Medical Robotics and Computer Assisted Surgery | Περίληψη: | Introduction: The target of this study was the development of a magnetic resonance imaging (MRI) compatible breast phantom for focused ultrasound which includes plastic (ABS) ribs. The objective of the current study was the evaluation of a focused ultrasound procedure using the proposed phantom that eliminates rib heating. Material and Methods: The proposed phantom was evaluated using two different focused ultrasound exposures. The surrounding breast tissue was mimicked using an agar–silica–evaporation milk gel (2% w/v – 2% w/v – 40% v/v). Results: The attenuation of the ABS was similar to that of ribs. MR thermometry of focused ultrasound exposures were acquired using the breast/rib phantom. In one exposure focused ultrasound was applied with far-field targeting of the ribs. In the other exposure, the transducer was positioned laterally, thus avoiding exposure of the rib to focused ultrasound. Conclusions: Due to growing interest in using MRI guided focused ultrasound (MRgFUS) for patients with breast cancer, the proposed breast/rib phantom can be utilized as a very useful tool for evaluating ultrasonic protocols. | URI: | https://hdl.handle.net/20.500.14279/10973 | ISSN: | 14785951 | DOI: | 10.1002/rcs.1849 | Rights: | © Wiley | Type: | Article | Affiliation: | City University London Cyprus University of Technology Medsonic Ltd Ygia Polyclinic Hospital |
Publication Type: | Peer Reviewed |
Εμφανίζεται στις συλλογές: | Άρθρα/Articles |
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