Safety and efficacy of ultrasound-guided fiducial marker implantation for CyberKnife radiation therapy.

Korean Journal of Radiology : Official Journal of the Korean Radiological Society
Jae Hyun KimSeok-Beom Kwon

Abstract

To evaluate the safety and technical success rate of an ultrasound-guided fiducial marker implantation in preparation for CyberKnife radiation therapy. We retrospectively reviewed 270 percutaneous ultrasound-guided fiducial marker implantations in 77 patients, which were performed from June 2008 through March 2011. Of 270 implantations, 104 were implanted in metastatic lymph nodes, 96 were in the liver, 39 were in the pancreas, and 31 were in the prostate. During and after the implantation, major and minor procedure-related complications were documented. We defined technical success as the implantation enabling adequate treatment planning and CT simulation. The major and minor complication rates were 1% and 21%, respectively. One patient who had an implantation in the liver suffered severe abdominal pain, biloma, and pleural effusion, which were considered as major complication. Abdominal pain was the most common complication in 11 patients (14%). Among nine patients who had markers inserted in the prostate, one had transient hematuria for less than 24 hours, and the other experienced transient voiding difficulty. Of the 270 implantations, 261 were successful (97%). The reasons for unsuccessful implantations included migration ...Continue Reading

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Citations

Jul 17, 2013·Journal of Radiation Research·Daniel HabermehlStephanie E Combs
Jul 6, 2014·International Journal of Radiation Oncology, Biology, Physics·Hajer JarrayaLuc Ceugnart
Nov 5, 2014·Cardiovascular and Interventional Radiology·Kengo OhtaYuta Shibamoto
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