Manufacturing a Functional Bolus Using a 3D printer in Radiation Therapy

• 발행기관: 대한방사선과학회(구 대한방사선기술학회)
• 저자명: 이이성(Yi-Seong Lee) 김정구(Jeong-Koo Kim)
• 간행물 정보: 『방사선기술과학』방사선기술과학 제43권 제1호, 9~14쪽, 전체 6쪽
• 주제분류: 의약학 > 방사선과학
• 파일형태: PDF
• 발행일자: 2020.02.29

영문 초록

Commercial plate bolus is generally used for treatment of surface tumor and required surface dose. We fabricated 3D-printed bolus by using 3D printing technology and usability of 3D-printed bolus was evaluated. RT-structure of contoured plate bolus in the TPS was exported to DICOM files and converted to STL file by using converting program. The 3D-printed bolus was manufactured with rubber-like translucent materials using a 3D printer. The dose distribution calculated in the TPS and compared the characteristics of the plate bolus and the 3D printed bolus. The absolute dose was measured inserting an ion chamber to the depth of 5 ㎝ and 10 ㎝ from the surface of the blue water phantom. HU and ED were measured to compare the material characteristics. 100% dose was distributed at Dmax of 1.5 ㎝ below the surface when was applied without bolus. When the plate bolus and 3D-plate bolus were applied, dose distributed at 0.9 ㎝ and 0.8 ㎝ below the surface of the bolus. After the comparative analysis of the radiation dose at the reference depth, differences in radiation dose of 0.1 ~ 0.3% were found, but there was no difference dose. The usability of the 3D-printed bolus was thus confirmed and it is considered that the 3D-printed bolus can be applied in radiation therapy.

목차

Ⅰ. Introduction

Ⅱ. Materials and Methods

Ⅲ. Results

Ⅳ. Discussion

Ⅴ. Conclusions

REFERENCES

키워드

피부보호 효과 3D 프린터 조직보상체 표면 선량 Bolus Skin Sparing Effect 3D Printing Compensator Skin Dose