Table 1:

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