Design and fabrication of 3D-printed patient-specific soft tissue and bone phantoms for CT imaging.

ABSTRACT: The objective of this study is to create patient-specific phantoms for computed tomography (CT) that possess accurate densities and exhibit visually realistic image textures. These qualities are crucial for evaluating CT performance in clinical settings. The study builds upon a previously presented 3D printing method (PixelPrint) by incorporating soft tissue and bone structures. We converted patient DICOM images directly into 3D printer instructions using PixelPrint and utilized calcium-doped filament to increase the Hounsfield unit (HU) range. Density was modeled by controlling printing speed according to volumetric filament ratio to emulate attenuation profiles. We designed micro-CT phantoms to demonstrate the reproducibility, and to determine mapping between filament ratios and HU value

SUBMITTER: Mei K 

PROVIDER: S-EPMC10577126 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature