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Feasibility of a 3D-printed anthropomorphic patient-specific head phantom for patient-specific quality assurance of intensity-modulated radiotherapy.


ABSTRACT: This study evaluated the feasibility of utilizing a 3D-printed anthropomorphic patient-specific head phantom for patient-specific quality assurance (QA) in intensity-modulated radiotherapy (IMRT). Contoured left and right head phantoms were converted from DICOM to STL format. Fused deposition modeling (FDM) was used to construct an anthropomorphic patient-specific head phantom with a 3D printer. An established QA technique and the patient-specific head phantom were used to compare the calculated and measured doses. When the established technique was used to compare the calculated and measured doses, the gamma passing rate for ? ? 1 was 97.28%, while the gamma failure rate for ? > 1 was 2.72%. When the 3D-printed patient-specific head phantom was used, the gamma passing rate for ? ? 1 was 95.97%, and the gamma failure rate for ? > 1 was 4.03%. The 3D printed patient-specific head phantom was concluded to be highly feasible for patient-specific QA prior to complicated radiotherapy procedures such as IMRT.

SUBMITTER: Yea JW 

PROVIDER: S-EPMC5519219 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Feasibility of a 3D-printed anthropomorphic patient-specific head phantom for patient-specific quality assurance of intensity-modulated radiotherapy.

Yea Ji Woon JW   Park Jae Won JW   Kim Sung Kyu SK   Kim Dong Youn DY   Kim Jae Gu JG   Seo Chan Young CY   Jeong Won Hyo WH   Jeong Man Youl MY   Oh Se An SA  

PloS one 20170720 7


This study evaluated the feasibility of utilizing a 3D-printed anthropomorphic patient-specific head phantom for patient-specific quality assurance (QA) in intensity-modulated radiotherapy (IMRT). Contoured left and right head phantoms were converted from DICOM to STL format. Fused deposition modeling (FDM) was used to construct an anthropomorphic patient-specific head phantom with a 3D printer. An established QA technique and the patient-specific head phantom were used to compare the calculated  ...[more]

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