Evaluation of computed tomography metal artifact and CyberKnife fiducial recognition for novel size fiducial markers.

Hikaru Nemoto,Masahide Saito,Toshihiro Suzuki,Hidekazu Suzuki,Naoki Sano,Zennosuke Mochizuki,Koji Mochizuki,Koji Ueda,Takafumi Komiyama,Kan Marino,Shinichi Aoki,Mitsuhiko Oguri,Hiroshi Takahashi,Hiroshi Onishi

Journal of applied clinical medical physics（2023）

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摘要

We demonstrated the potential to reduce metal artifacts in the CT image to the same level for all the markers we evaluated by applying SEMAR. Additionally, the fiducial recognition of each marker may vary depending on the thickness of the patient's body. Particularly, we showed that GA 0.40 × 20 mm may have more optimal recognition for CyberKnife treatment in cases of high bodily thickness in comparison to the other markers.

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关键词

CT-artifacts, CyberKnife system, fiducial, image recognition, markers

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