Table 4. Comparison between PCC and PGL tumors.
| Characteristics | PCC | PGL | Statistical value |
|---|---|---|---|
| Number | 22 | 16 | |
| Tumor size (mm), mean ± SD | 38.8±20.5 | 74.0±40.0 | Z=−3.357, P=0.001 |
| SUVmax | 30.6±16.2 | 11.7±7.2 | Z=−3.755, P=0.000 |
| SUVR | 3.1±1.7 | 1.1±0.7 | Z=−3.631, P=0.000 |
| KS | Z=−3.081, P=0.002 | ||
| 0 | 0 | 0 | |
| 1 | 2 | 9 | |
| 2 | 1 | 3 | |
| 3 | 6 | 1 | |
| 4 | 13 | 3 |
PCC, pheochromocytoma; PGL, paraganglioma; SUVmax, maximal standardized uptake value; SUVR, ratio between the SUVmax of the lesion and the SUVmean of the liver; SUVmean, mean standardized uptake value; KS, Krenning score.