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Table 3 Volumetry of FDG-PET in three tumor-bearing rats

From: Diffusion-weighted magnetic resonance imaging using a preclinical 1 T PET/MRI in healthy and tumor-bearing rats

Tumor

Day

Voltumor (mm3)

Volvital (mm3)

Viable tumor (%)

2

13

1532

1106

72

20

3821

2151

56

3

10

0143

130

90

16

1028

899

87

20

1929

1200

62

4

10

0898

900

100

16

3802

3090

81

20

9272

4066

44

  1. Voltumor = volume of the whole tumor measured by MRI; Volvital = FDG-avid tumor tissue defined as above a 45% threshold of the maximum tumor uptake