Fig. 5
From: Quantitative analysis of phantom studies of 111In and 68Ga imaging of neuroendocrine tumours
Threshold level giving the accurate volume for different sphere diameters and SBRs are shown for 111In-SPECT (a) and for 68Ga-PET (b). The data for SBR 1.25:1 was not possible to obtain for 111In-SPECT