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Advances in Radiotherapy
            & Nuclear Medicine                                        Advancements and challenges in radioactive iodine-125



            a simulated needle pathway within the treatment area   I-125 interstitial brachytherapy in immobilized malignant
            (Figure 2). The treatment procedure includes preoperative   tumors, a study demonstrated that the mean D90, V90,
            planning, individualized 3D-printed template design and   V100,  V150,  and  seed  number  showed  no  significant
            production,  needle  placement,  I-125  seed  implantation,   difference between pre-operation and post-operation
            and  post-operative  dosimetry  verification,  as  illustrated   values (P  > 0.05) (the pre-operation vs. post-operation
            in Figure 3. For 3D-printed personalized template-guided   values  were  94.96  ±  16.43%  Gy  vs.  91.97  ±  17.54%  Gy,































            Figure 1. Summary of the progress of iodine-125 brachytherapy in several important fields. NK cells: Natural killer cells; TME: Tumor microenvironment.


                         A                        B                        C










            Figure 2. (A) 3D-printed template. (B) Three-dimensional reconstruction of a printed template. (C) The simulated needle pathway of the treatment area.


                         A                       B                        C















            Figure 3. (A-C) The workflow of 3D-printed personalized template-assisted CT-guidance I-125 brachytherapy.


            Volume 1 Issue 2 (2023)                         3                       https://doi.org/10.36922/arnm.0914
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