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  5. Using 3D Printing Techniques and Multi-Modality Tissue Equivalent Material to Create An Anthropomorphic Breast Phantom

Using 3D Printing Techniques and Multi-Modality Tissue Equivalent Material to Create An Anthropomorphic Breast Phantom

Y He*, J Qiu , F Zheng , T Chen , Y Zhu , h zhang , F Zhang , Taishan Medical University, Taian, Shandong

Presentations

(Sunday, 7/29/2018) 3:00 PM - 6:00 PM

Room: Exhibit Hall

Purpose: To develop an anthropomorphic tissue equivalent breast phantom, by 3D printing and polyvinyl chloride (PVC), which has the ability or quality to achieve multi-modality imaging, and makes quantitative comparisons between the dual imaging methods and occupies a place in the field of quality control (QC).

Methods: Using 3-dimensional (3D) printing technique, a multi-modality breast phantom contained PVC and different functional embedded plugins that mimics the structure of the breast and artificial features (e.g., microcalcifications, fiber lesions, depth resolution, hollow tumors), which was used to evaluate different sizes of lesion detection, depth contrast resolution and detectability threshold in different imaging systems. An interlock system in the phantom was included, to make sure that the plugins were properly aligned. The phantom was performed in both mammography and 3.0T MRI, including T1WI, T2WI, and STIR.

Results: The proposed phantom can achieve multi-modality imaging, including mammography and MRI. The contents of the plugins were clearly visualized with satisfactory image quality, especially microcalcifications in mammography versus MRI. The phantom had a certain ability of deformation to learn different pressure on the lesion/calcification displayed on mammography, and then, to seek the right and minimum pressure to reduce patient pain. In addition, with transparent properties, this phantom was well implemented at puncture in ultrasound. For MRI, the TR of T1-weighted images in PVC was 206.81±17.50ms, while the TR of T2-weighted images in PVC was 20.22±5.74ms in our study.

Conclusion: We have demonstrated that it is possible to create an anthropomorphic breast phantom by using 3D printing and tissue equivalent techniques. The proposed phantom provided a quantitative and qualitative analysis platform for intuitive comparison of the pros and cons in multi-modality imaging systems.

Funding Support, Disclosures, and Conflict of Interest: Acknowledge Funding Projects: the China National Key Research and Development Program (2016YFC0103400), Jianfeng Qiu was supported by the Taishan Scholars Program of Shandong Province. Conflict of interest disclosure: The authors have no Conflict of interest.

Keywords

Mammography, MRI, Phantoms

Taxonomy

IM- Breast x-ray Imaging: Phantoms - physical

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