Table 2.
Baseline metabolic parameters and texture analysis of lesions on the pretreatment FDG PET/CT in 35 patients with breast cancer.
| Variable | Mean (SD) | |
|---|---|---|
| Metabolic parameters | Maximal SUVbt | 4.77 (3.32) |
| Maximal SUVln | 3.97 (3.93) | |
| MTVbt (cm3) | 93.72 (228.72) | |
| MTVwb (cm3) | 143.28 (298.40) | |
| TLGbt (cm3) | 306.72 (1111.20) | |
| TLGwb (cm3) | 632.85 (1390.50) | |
| Cooccurrence | Contrast | 412620.00 (740762.70) |
| Homogeneity | 1739.08 (4561.58) | |
| Dissimilarity | 36661.60 (86021.35) | |
| Second angular moment | 498037.11 (2187052.42) | |
| SUV statistics | SUVbt skewness | 1.51 (0.99) |
| SUVbt kurtosis | 6.17 (5.24) | |
| SUVbt variance | 1.29 (2.19) | |
| SUVbt mean | 2.01 (0.95) | |
| SUVbt entropy | 3.44 (0.34) |
SD: standard deviation.
SUVbt: standardized uptake value of breast tumor.
SUVln: standardized uptake value of axillary lymph node.
MTVbt: metabolic tumor volume of breast tumor.
MTVwb: metabolic tumor volume of whole body lesions.
TLGbt: total lesion glycolysis of breast tumor.
TLGwb: total lesion glycolysis of whole body lesions.