Development of In-house Chest Phantom for Pediatric Cancer Cases

Yola Sri Wahyuni, Choirul Anam, Ilham Alkian, Ariij Naufal and Heri Sutanto

International Journal of Scientific Research in Science and Technology, 2025, vol. 12, issue 1, 268-275

Abstract: This study aims to develop an in-house phantom that can more cheaply represent pediatric lung cancer cases. The materials used in this study were polymethyl methacrylate (PMMA) as a substitute for soft tissue, polyurethane (PU) foam as a substitute for lung tissue, and calcium carbonate as a replacement for rib bones. Cancer or nodules were represented using beeswax. The phantom evaluation was conducted using IndoQCT software, with parameters such as CT number, noise, signal-to-noise ratio (SNR), and contrast-to-noise ratio (CNR). The CT numbers of cancer/nodule, normal lung, soft tissue, and bone for the in-house phantom are -217 to -117, -979, 80, and 871 HU, respectively. As comparison, the CT number of cancer/nodule, normal lung, soft tissue, and bone for the real patients are -141 to -103, -906, 73, and 743 HU, respectively. These findings indicate that the CT number, noise, SNR, and CNR values for the substitute materials used in the in-house phantom closely resemble the imaging values of patients with cancer/nodules. Thus, the materials used can effectively represent human tissue substitutes.

Keywords: Lung Cancer; Chest Phantom; Beeswax (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:etm:ijsrst:v12:y2025:i1:id:564

DOI: 10.32628/IJSRST2512129

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