Bake your phantom—low-cost recipes for dough-based, tissue-mimicking CT phantoms - Summary - MDSpire

Bake your phantom—low-cost recipes for dough-based, tissue-mimicking CT phantoms

  • By

  • Sonja Wichelmann

  • Florian Weiler

  • Thomas Friedrich

  • Joerg Barkhausen

  • Roman Kloeckner

  • Franz Wegner

  • Malte Maria Sieren

  • August 4, 2025

  • 0 min

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Objective:

To introduce a low-cost method for fabricating customizable CT phantoms using dough-based materials.

Key Findings:
  • Dough-based phantoms can accurately replicate anatomical forms.
  • Salt increases the Hounsfield Unit (HU) value, enhancing X-ray absorption.
  • The liver phantom created exhibited HU values within the range of healthy liver tissue.
Interpretation:

The study demonstrates that simple, low-cost ingredients can be used to create effective CT phantoms, making them accessible for research and educational purposes.

Limitations:
  • The study did not explore the long-term durability of the dough-based phantoms.
  • The range of anatomical structures that can be replicated with dough is limited.
Conclusion:

Dough-based CT phantoms offer a feasible and economical alternative to commercial options, enabling broader access for research and educational applications.

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