Effect of quantitative values on shortened acquisition duration in brain tumor 11C-methionine PET/CT

Background The amount of signal decreases when the acquisition duration is shortened. However, it is not clear how this affects the quantitative values. This study aims to clarify the effect of acquisition time shortening in brain tumor PET/CT using 11 C-methionine on the quantitative values. Method This study was a retrospective analysis of 30 patients who underwent clinical 11 C-methionine PET/CT examination. PET images were acquired in list...