Teaching the principles of X-ray CT and SPECT using optical CT, glowsticks and a scaled anthropomorphic phantom

Yves De Deene*

*Corresponding author for this work

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Abstract

Teaching demonstrations of computerized tomography (CT) and Single-Photon Emission Tomography (SPECT) to biomedical engineering and medical physics students is hampered by a limited accessibility to clinical scanners, especially during day time. The use of ionizing radiation and radioactive sources in X-ray CT and SPECT further complicates the design of a teaching laboratory session. We here propose an inexpensive and safe educational demonstration of CT and SPECT on an anthropomorphic phantom whereby a visible light source serves as source and a CCD camera serves as detector. The equivalent of a SPECT radionuclide in optical CT scanning is a chemiluminescent material which can be obtained relatively inexpensive in the form of party glow sticks. The proposed teaching tool comprises several learning outcomes such as hands-on construction of the scanner, the acquisition of images and image reconstruction. Also, different imaging artefacts can be simulated and investigated.

Original languageEnglish
Article number012058
Pages (from-to)1-6
Number of pages6
JournalJournal of Physics: Conference Series
Volume1305
Issue number1
DOIs
Publication statusPublished - 2019
Event10th International Conference on 3D Radiation Dosimetry - Kunshan, China
Duration: 16 Sep 201819 Sep 2018

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