Summary of patient characteristics and image findings in 8 patients with meningioma
| Case/Age(yr)/Sex | Location/Maximum Diameter (mm) | DSAa | Rating of Tumor Perfusion on ASL | Extent of Tumor Vascular Territory on ASL and RPI | ||
|---|---|---|---|---|---|---|
| Observer 1 | Observer 2 | Observer 1 | Observer 2 | |||
| 1/58/F | Posterior fossa/20 | + | Grade 2b | Grade 2b | Coincided | Coincided |
| 2/73/F | Rt middle fossa/40 | – | Grade 2b | Grade 3c | Coincided | Coincided |
| 3/48/F | Rt convexity/55 | + | Grade 3c | Grade 3c | Coincided | Coincided |
| 4/58/Md | Rt convexity/60 | + | Grade 3c | Grade 3c | PD | PD |
| 5/64/M | Lt convexity/45 | – | Grade 3c | Grade 3c | Coincided | PD |
| 6/58/F | Lt middle fossa/33 | – | Grade 3c | Grade 3c | PD | PD |
| 7/42/M | Lt middle fossa/65 | + | Grade 3c | Grade 3c | PD | PD |
| 8/71/F | Rt cavernous sinus/50 | + | Grade 3c | Grade 3c | CD | CD |
a + indicates performed; –, not performed.
b Tumor perfusion equivalent to that in the normal-appearing cortex.
c Tumor perfusion higher than that of the normal-appearing cortex.
d Malignant meningioma.