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http://dx.doi.org/10.17946/JRST.2017.40.1.12

Evaluation and Comparison of Contrast to Noise Ratio and Signal to Noise Ratio According to Change of Reconstruction on Breast PET/CT  

Lee, Jea-Young (Department of Nuclear Medicine, Seoul National University Hospital)
Lee, Eul-Kyu (Department of Radiology, Inje Paik University Hospital Jeo-dong)
Kim, Ki-Won (Department of Radiology, Kyung Hee University Hospital at Gang-dong)
Jeong, Hoi-Woun (Department of Radiological Technology, The Baekseok Culture University)
Lyu, Kwang-Yeul (Department of Radiological Technology, The Shingu University)
Park, Hoon-Hee (Department of Radiological Technology, The Shingu University)
Son, Jin-Hyun (Department of Radiological Technology, The Shingu University)
Min, Jung-Whan (Department of Radiological Technology, The Shingu University)
Publication Information
Journal of radiological science and technology / v.40, no.1, 2017 , pp. 79-85 More about this Journal
Abstract
The purpose of this study was to measure contrast to noise ratio (CNR) and signal to noise ratio (SNR) according to change of reconstruction from region of interest (ROI) in breast positron emission tomography-computed tomography (PET-CT), and to analyze the CNR and SNR statically. We examined images of breast PET-CT of 100 patients in a University-affiliated hospital, Seoul, Korea. Each patient's image of breast PET-CT were calculated by using ImageJ. Differences of CNR and SNR among four reconstruction algorithms were tested by SPSS Statistics21 ANOVA test for there was statistical significance (p<0.05). We have analysis socio-demographical variables, CNR and SNR according to reconstruction images, 95% confidence according to CNR and SNR of reconstruction and difference in a mean of CNR and SNR. SNR results, with the quality of distributions in the order of PSF_TOF, Iterative and Iterative-TOF, FBP-TOF. CNR, with the quality of distributions in the order of PSF_TOF, Iterative and Iterative-TOF, FBP-TOF. CNR and SNR of PET-CT reconstruction methods of the breast would be useful to evaluate breast diseases.
Keywords
Breast; Positron emission tomography-computed tomography; Contrast to noise ratio; Signal to noise ratio;
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Times Cited By KSCI : 3  (Citation Analysis)
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