ACMIT and its scientific partners have published a new paper in the Journal of Medical Physics

©Jens Mahnke
©Jens Mahnke

Ass.-Prof. Dr. Sepideh Hatamikia wrote a new paper in the Zeitschrift für Medizinische Physik’ journal with the title “Additively manufactured test phantoms for mimicking soft tissue radiation attenuation in CBCT using Polyjet technology“

In this study, a novel approach was proposed for building cost-effective imaging phantoms for Cone Beam Computed Tomography (CBCT) using a modified Polyjet additive manufacturing technology, where a single material can mimic a range of human soft-tissue radiation attenuation. The printed test phantoms produced a grey value spectrum equivalent to the radiation attenuation of human soft tissues in the range of −757 to +286 HU on CT. 

The study shows that additive manufacturing-guided macrostructure manipulation successfully modifies the radiographic visibility of a material in CBCT imaging with 1 mm3 resolution, helping customization of imaging phantoms.

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