Table 2.
Comparisons of positron emission tomography (PET) parameters
| Variables | BOT | MOT | p |
|---|---|---|---|
| SUVmax | 2.9 ± 1.5 (n = 7) | 6.6 ± 2.9 (n = 6) | 0.0223 |
| SUVmax a | 2.5 ± 1.0 (n = 5) | 7.0 ± 4.1 (n = 5) | 0.0317 |
| Thresholdb | |||
| SUVavg | 1.9 ± 0.3 | 2.6 ± 0.7 | 0.0513 |
| MTV (cm3) | 68.4 ± 122.5 | 364.2 ± 534.6 | 0.0734 |
| TLG (cm3) | 33.2 ± 34.2 | 39.7 ± 35.8 | 0.0734 |
| Thresholdc | |||
| SUVavg | 1.8 ± 0.9 | 4.0 ± 1.8 | 0.0140 |
| MTV (cm3) | 156.4 ± 293.4 | 894.4 ± 1171.3 | 0.6282 |
| TLG (cm3) | 79.1 ± 109.8 | 182.4 ± 230.1 | 0.2343 |
BOT Borderline ovarian tumor; MOT malignant ovarian tumor; SUV max maximum standardized uptake value, SUV avg average standardized uptake value ; MTV metabolic tumor volume; TLG total lesional glycolysis
aExclusion of patients who were in the mid-cycle of menstruation
bFixed threshold with SUV of 1.5
cThreshold with 50 % of SUVmax