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Table 1 Details of phantom inserts, mathematical models volumes [4] and radioisotope activities

From: Organ-specific SPECT activity calibration using 3D printed phantoms for molecular radiotherapy dosimetry

Organ a

Model volume b

Printed insert volume

Activity 99mTc

Activity 177Lu

 

(cm 3)

(cm 3)

(MBq)

(MBq)

Spleen

176.0

195.26 ± 0.02

122.3 ± 0.3

639.1 ± 1.2

Pancreas

83.8

103.26 ± 0.02

110.4 ± 0.3

397.4 ± 0.7

Liver

1830.0

1577.49 ± 0.02

515.3 ± 1.2

2976.8 ± 5.6

Liver (left) c

–

479.00 ± 0.02

172.4 ± 0.8

924.2 ± 4.0

Liver (right) c

–

1098.49 ± 0.02

342.9 ± 0.9

2052.6 ± 3.9

Liver (tumour) c

–

16.49 ± 0.02

6.4 ± 0.2

43.0 ± 0.5

Kidney

144.0

169.81 ± 0.02

125.0 ± 0.3

1024.6 ± 1.2

Kidney age 10

80.3

99.54 ± 0.02

92.5 ± 0.2

589.5 ± 0.2

Kidney age 5

55.5

64.96 ± 0.02

32.6 ± 0.1

383.9 ± 0.2

  1. aAdult male organs unless specified
  2. bValues from [4]
  3. cAdditional sub compartment added to model