Abstract #3138
Liver T2* measurements: The best curve fitting model for ROI based method and Pixel based method
Monruedee Tapanya 1 , Kittichai Wantanajittikul 2 , Busakol Ngammuang 1 , Suchaya Silvilairat 3 , Suthat Fuchareon 4 , Kittiphong Paiboonsukwong 4 , and Suwit Saekho 1,2
1
Radiologic Technology, Faculty of Associated
Medical Sciences, Chiang Mai University, Chiang Mai,
Thailand,
2
Biomedical
Engineering Center, Faculty of Engineering, Chiang Mai
University, Chiang Mai, Thailand,
3
Pediatrics,
Faculty of Medicine,Chiang Mai University, Chiang Mai,
Thailand,
4
Thalassemia
Research Center Institute of Molecular Biosciences,
Mahidol University, Nakhon Pathom, Thailand
We compared between median T2*obtained from pixel based
method and the T2* derived from ROI based method in 3
different fitting models, mono-exponential, Offset and
Truncation model. Fifteen β thalassemia major patients
were involved to this study. The results showed strongly
correlation between T2* obtained from two methods with
offset fitting model and there was no significant
difference between the 2 methods with this fitting
model. ROI based method with offset fitting model
potentially provided similar T2* to that of pixel based
method for liver T2* measurements.
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