Conclusion: We describe the use of the Gold Anchor fiducial markers in this poster. They have the advantage that a small amount of ferromagnetic material is mixed in the gold alloy to allow better visibility on MRI imaging than gold alloy fiducials alone. There are other markers that have been described (ref. 1) that also have a good signal on MRI imaging. One of the additional advantages of the Gold Anchor markers, however, is their crumpling effect that keeps them in position in soft tissue and low-density lung tissues.
