Patient demographics and tumor characteristics in schwannomas and paragangliomasa
| Schwannomas(n = 15) | Paragangliomas(n = 27) | P Value | |
|---|---|---|---|
| No. | 15 | 27 | NA |
| Sex (male/female) | 5:10 | 7:20 | .73 |
| Age (yr) | 42.2 (SD, 15.1) | 48.2 (SD, 17.2) | .27 |
| Maximum diameter (mm) | 31.4 (SD, 15.4) | 32.3 (SD, 15.6) | .76 |
| Presence of vascular flow voids (salt-and-pepper appearance) | 2/15 | 18/27 | .001b |
| Cystic or necrotic change | 5/15 | 14/27 | .34 |
| Enhancement pattern (homogeneous enhancement/total) | 10/15 | 8/27 | .027b |
| Location (head lesion/total) | 5/15 | 11/27 | .75 |