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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: Magn Reson Med. 2014 Jun 5;73(5):1803–1811. doi: 10.1002/mrm.25300

Figure 8.

Figure 8

MR-guided catheter placement utilizing the active stylet in a gynecologic cancer patient. (a) Active micro-coil (white arrow) was detected on images using an array that included the tracking coils and the MRI’s surface coils. 3D rendering (b) and axial and sagittal views (c,d) of a single active stylet trajectory (yellow dots), overlaid on 3D turbo spin echo images of the patient’s pelvis. The trajectory (yellow points) was reconstructed by consecutively tracking the positions of the catheter tip during stylet pull-out.