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Table 2 PET values for squamous cell carcinoma and malignant melanoma

From: Dynamic changes in 18F-borono-L-phenylalanine uptake in unresectable, advanced, or recurrent squamous cell carcinoma of the head and neck and malignant melanoma during boron neutron capture therapy patient selection

PET value

Histology

18F–BPA at 30 min

18F–BPA at 60 min

18F–BPA at 120 min

  

Mean ± SD

Mean ± SD

Mean ± SD

SUVmax

Squamous cell carcinoma

5.58 ± 2.29

4.79 ± 1.95

3.83 ± 1.56

Malignant melanoma

9.41 ± 5.44

8.30 ± 4.61

7.39 ± 4.40

TNR

Squamous cell carcinoma

3.21 ± 1.66

3.28 ± 1.63

2.79 ± 1.52

Malignant melanoma

7.89 ± 6.50

7.69 ± 4.91

6.68 ± 4.24

TBR

Squamous cell carcinoma

3.97 ± 1.76

3.84 ± 1.67

3.37 ± 1.52

Malignant melanoma

9.82 ± 7.65

8.43 ± 4.33

8.33 ± 4.13

  1. Abbreviations: 18F–BPA 18F–borono-L-phenylalanine, PET Positron emission tomography, SD Standard deviation, SUVmax Maximum standardized uptake value, TNR Tumor-to–normal tissue accumulation ratio, TBR Tumor-to-blood pool ratio