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Table 1 Time required to create each phantom and the initial activity required to image approximately 200 kBq/ml

From: 3D printing 18F radioactive phantoms for PET imaging

Stage Initial activity (MBq) Initial volume of resin (ml) Preparation time (min) Printing time (min) Post processing and phantom preparation time (min) Total time (min)
Spheres, cylinders, double helix 199 100 45 260 60 365
Spheres (max diameter 20 mm) 42 100 15 43 60 118
Cylinders (height 10 mm) 28 100 15 24 15 54
Double helix (height 95 mm) 82 100 15 193 15 223
Spheres (max diameter 2 mm) 17 50 15 8 60 83
Spheres (max diameter 37 mm) 26 50 15 78 60 153
Tumour (height 150 mm) 320 200 15 300 15 330