Design and evaluation of corn starch-bonded Rhizophora spp. particleboard phantoms for SPECT/CT imaging

International Nuclear Science, Technology and Engineering Conference 2017

原子能学

Abd Hamid, Puteri Nor Khatijah^1 ; Mohd Yusof, Mohd Fahmi^2 ; Tajuddin, Abd Aziz^1 ; Hashim, Rokiah^3 ; Zainon, Rafidah^4

School of Physics, Universiti Sains Malaysia, Penang

18000, Malaysia^1

School of Health Sciences, Universiti Sains Malaysia, Kota Bharu, Kelantan, Malaysia^2

School of Industrial Technology, Universiti Sains Malaysia, Penang

11800, Malaysia^3

Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, Penang

13200, Malaysia^4

关键词: Corn starch;    Design and evaluations;    Paired-sample t-test;    Phantom materials;    SPECT imaging;    SPECT/CT imaging;    Water phantom;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/298/1/012041/pdf
DOI  :  10.1088/1757-899X/298/1/012041

来源: IOP

【 摘 要 】

The aim of this study was to design and evaluate of corn starch-bonded Rhizophora spp. particleboards as phantom for SPECT/CT imaging. The phantom was designed according to the Jaszczak phantom commonly used in SPECT imaging with dimension of 22 cm diameter and 18 cm length. Six inserts with different diameter were made for insertion of vials filled with 1.6 μCi/ml of99mTc unsealed source. The particleboard phantom was scanned using SPECT/CT imaging protocol. The contrast of each vial for particleboards phantom were calculated based on the ratio of counts in radionuclide volume and phantom background and compared to Perspex® and water phantom. The results showed that contrast values for each vial in particleboard phantomis near to 1.0 and in good agreement with Perspex®and water phantoms as common phantom materials for SPECT/CT. The paired sample t-test result showed no significant difference of contrast values between images in particleboard phantoms and that in water. The overall results showed the potential of corn starch-bonded Rhizophora spp. as phantom for quality control and dosimetry works in SPECT/CT imaging.