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Percutaneous Implantation of Fiducial Markers for Imaging-Guided Radiation Therapy

¹ Department of Interventional Radiology, Stanford University Medical Center, 300 Pasteur Dr., H3630, Stanford, CA 94305.
² Department of Radiation Oncology, Stanford University Medical Center, Stanford, CA.

OBJECTIVE. The use of imaging-guided radiation therapy (IGRT) to treat thoracic and abdominal tumors is increasing. In this article, we review the process of IGRT and describe techniques to implant fiducial markers in the optimal geometry.

CONCLUSION. Implantation of fiducial markers can be challenging. A better understanding of the physics of IGRT can help optimize fiducial marker placement for precise tumor targeting.

Keywords: fiducial marker implantation • imaging-guided radiation therapy • oncologic imaging • radiation therapy

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