Fig. 5: Accurate radiotherapy dose distribution planning based on PIDA fiducial marker. | Nature Communications

Fig. 5: Accurate radiotherapy dose distribution planning based on PIDA fiducial marker.

From: Precisely translating computed tomography diagnosis accuracy into therapeutic intervention by a carbon-iodine conjugated polymer

Fig. 5

a CT images of the rat implanted with an Au fiducial marker. b CT images of the rat implanted with a PIDA fiducial marker. c CT images of thorax phantoms with movable plugs. Scale bar: 1 cm. Control: Thorax phantom with no marker inserted; Au: Thorax phantom with 4 Au markers inserted (pointed by white arrows); PIDA: Thorax phantom with 4 PIDA markers inserted (pointed by white arrows). d, e Quantified relative CT intensities of circled spot arrays in (c). f Radiation dose distribution for RRT planning calculated on basis of the CT values of the corresponding thorax phantoms in c. Source data are provided as a Source Data file. g Overlapping of the calculated radiation dose distribution of Control (Ctrl), Au, and PIDA.

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