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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 5.

Figure 5

The distal shaft of a slightly bent brachytherapy catheter, which included an active stylet, inside a gel phantom, as visualized on the 3D Slicer workstation. Three coil positions (green spheres) and the extrapolated tip position (red sphere) are shown. The catheters distal shaft (blue cylinder) was reconstructed using a spline fit to the four positions and overlaid on a pre-acquired high-resolution 3D MR image data set, demonstrating the capability of the tracking system to show curvature of the catheter.