Table 5 Intraprostatic FDG uptake as a predictor of pathological Gleason sum
Pathological Gleason sum | Spearman r | P -value | ||
|---|---|---|---|---|
≤7 | ≥8 | |||
No. (%) | No. (%) | |||
Clinical reporting | ||||
IPFU- | 22 (84.6) | 4 (15.4) | 0.003 | |
IPFU+ | 4 (30.8) | 9 (69.2) | ||
Blinded reading | ||||
IPFU- (Score 0 or 1) | 17 (85.0) | 3 (15.0) | 0.013 | |
IPFU+ (Score 2 to 4) | 9 (47.4) | 10 (52.6) | ||
Score vs. post-RP Gleason pattern | 0.58 | 0.0001 | ||
Score vs. post-RP Gleason sum | 0.50 | 0.001 | ||
Score vs. pathological T stage | 0.32 | 0.040 | ||
Quantitative analysis | ||||
IPFU- (SUVmax < 4.0) | 20 (83.3) | 4 (16.7) | 0.010 | |
IPFU+ (SUVmax ≥ 4.0) | 6 (42.9) | 8 (57.1) | ||
SUVmax vs. post-RP Gleason pattern | 0.46 | 0.004 | ||
SUVmax vs. post-RP Gleason sum | 0.44 | 0.006 | ||
SUVmax vs. pathological T stage | 0.35 | 0.030 | ||