End-to-end testing for stereotactic radiotherapy including the development of a Multi-Modality phantom.

ABSTRACT:

Purpose

A new insert for a commercially available end-to-end test phantom was designed and in-house manufactured by 3D printing. Subsequently, the insert was tested for different stereotactic radiation therapy workflows (SRS, SBRT, FSRT, and Multimet) also in comparison to the original insert.

Material and methods

Workflows contained imaging (MR, CT), treatment planning, positioning, and irradiation. Positioning accuracy was evaluated for non-coplanar x-ray, kV- and MV-CBCT systems, as well as surface guided radiation therapy. Dosimetric accuracy of the irradiation was measured with an ionization chamber at four different linear accelerators including dynamic tumor tracking for SBRT.

Results

CT parameters of the insert were within the specification. For MR images, the

SUBMITTER: Shariff M 

PROVIDER: S-EPMC11384089 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature