Using 3D printing techniques to create an anthropomorphic thorax phantom for medical imaging purposes

Medical Physics
Colien HazelaarWilko F A R Verbakel

Abstract

Imaging phantoms are widely used for testing and optimization of imaging devices without the need to expose humans to irradiation. However, commercially available phantoms are commonly manufactured in simple, generic forms and sizes and therefore do not resemble the clinical situation for many patients. Using 3D printing techniques, we created a life-size phantom based on a clinical CT scan of the thorax from a patient with lung cancer. It was assembled from bony structures printed in gypsum, lung structures consisting of airways, blood vessels >1 mm, and outer lung surface, three lung tumors printed in nylon, and soft tissues represented by silicone (poured into a 3D-printed mold). Kilovoltage x-ray and CT images of the phantom closely resemble those of the real patient in terms of size, shapes, and structures. Surface comparison using 3D models obtained from the phantom and the 3D models used for printing showed mean differences <1 mm for all structures. Tensile tests of the materials used for the phantom show that the phantom is able to endure radiation doses over 24,000 Gy. It is feasible to create an anthropomorphic thorax phantom using 3D printing and molding techniques. The phantom closely resembles a real patient in ter...Continue Reading

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Citations

Jul 10, 2018·Journal of Applied Clinical Medical Physics·Tyler MeyerMichael Roumeliotis
Jun 22, 2019·Physics in Medicine and Biology·Jenny BertholetUwe Oelfke
Sep 29, 2019·Physics in Medicine and Biology·R TinoT Kron
Dec 22, 2019·Medical Physics·Dong-Seok ShinTokihiro Yamamoto
Feb 12, 2020·Physics in Medicine and Biology·Emma ColvillGiovanni Fattori
Sep 14, 2019·Technology in Cancer Research & Treatment·Rance TinoTomas Kron
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Feb 19, 2020·Medical Physics·Nikiforos Okkalidis, George Marinakis
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Jun 12, 2020·Physical and Engineering Sciences in Medicine·T KairnS B Crowe
May 28, 2020·Frontiers in Bioengineering and Biotechnology·Sepideh HatamikiaWolfgang Birkfellner
Dec 18, 2020·Ultrasound in Medicine & Biology·Lidia Al-ZogbiAxel Krieger
Jan 19, 2021·Biomedical Physics & Engineering Express·Tess ReynoldsRicky O'Brien
May 6, 2021·Journal of Applied Clinical Medical Physics·H Henry GuoJia Wang
Jul 10, 2021·Advanced Science·Zhongboyu JinYong He
Jun 12, 2021·Advances in Radiation Oncology·Kimmie de BruinWilko F A R Verbakel
Dec 17, 2021·Medical Physics·Marco MuellerPaul Keall

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