First clinical experience with extended planning and navigation in an interventional MRI unit

RöFo : Fortschritte auf dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
M MocheH Busse

Abstract

To present an advanced concept for patient-based navigation and to report on our first clinical experience with interventions in the cranium, of soft-tissue structures (breast, liver) and in the musculoskeletal system. A PC-based navigation system was integrated into an existing interventional MRI environment. Intraoperatively acquired 3D data were used for interventional planning. The information content of these reference data was increased by integration of additional image modalities (e. g., fMRI, CT) and by color display of areas with early contrast media enhancement. Within 18 months, the system was used in 123 patients undergoing interventions in different anatomic regions (brain: 64, paranasal sinus: 9, breast: 20, liver: 17, bone: 9, muscle: 4). The mean duration of 64 brain interventions was compared with that of 36 procedures using the scanner's standard navigation. In contrast with the continuous scanning mode of the MR system (0.25 fps), the higher quality as well as the real time display (4 fps) of the MR images reconstructed from the 3D reference data allowed adequate hand-eye coordination. With our system, patient movement and tissue shifts could be immediately detected intraoperatively, and, in contrast to the ...Continue Reading

Citations

Aug 9, 2005·Magnetic Resonance Imaging Clinics of North America·Sherif Gamal Nour, Jonathan S Lewin
Jan 26, 2008·Journal of Magnetic Resonance Imaging : JMRI·Michael MocheHarald Busse
Aug 1, 2011·Topics in Magnetic Resonance Imaging : TMRI·Harald BusseMichael Moche

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