Table 2 Tumor and pelvic lymph node metabolic activity according to lymph node status on PET/CT

Tumor metabolic activity

n = 71

n = 45

n = 32

 SUVmax

13.9

(2.1–46.3)

15.7

(7.3–34.4)

14.8

(6.0–23.9)

 MTV (cc)

25.9

(0.8–162.0)

48.6

(8.8–127.0)

52.3

(10.5–299.0)

 TLG (g/mL*cm³)

197.6

(1.2–2495.0)

432.7

(43.4–2204.0)

353.4

(42.2–3181.0)

PLN metabolic activity

n = 45

n = 27

 SUVmax

N/A

6.7

(1.7–23.9)

6.6

(1.8–16.1)

 SUVmean

N/A

4.0

(1.3–12.6)

4.1

(1.6–9.0)

 Ratio of PLN SUVmax/tumor SUVmax

N/A

0.40

(0.10–1.25)

0.49

(0.12–0.95)

 MTV_PLN (cc)

N/A

1.9

(0.3–22.8)

2.4

(0.2–8.8)

 TLG (g/mLxcm³)

N/A

6.8

(0.6–152.2)

10.4

(0.4–76.8)