The demographic data and conventional MR imaging characteristics of PXA and APXA
| PXA (n = 10) | APXA (n = 9) | P Value | |
|---|---|---|---|
| Clinical data | |||
| Male sex (No.) (%) | 6 (46.2%) | 4 (44.4%) | .604 |
| Mean age (yr) | 32.8 ± 22.3 | 47.7 ± 11.7 | .09 |
| Location (No.) | .905 | ||
| Frontal lobe | 2 | 2 | |
| Temporal lobe | 5 | 3 | |
| Occipital lobe | 1 | ||
| Parietal lobe | 2 | 3 | |
| Superficial location (No.) (%) | 9 (90%) | 8 (88.9%) | .720 |
| Conventional MR imaging | |||
| Mean size (cm) | 3.1 ± 1.1 | 4.7 ± 0.6 | .001 |
| Presence of cystic degeneration (No.) (%) | 7 (70.0%) | 8 (88.9%) | .497 |
| Peritumoral edema (mean) (cm) | 1.0 ± 0.9 | 2.3 ± 0.9 | .008 |
| Heterogeneous enhancement (No.) (%) | 2 (20.0%) | 8 (88.9%) | .01 |
| Leptomeningeal contact (No.) (%) | 9 (90%) | 7 (77.8%) | .661 |