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Table 1: Summary of patient characteristics and image findings in 8 patients with meningioma
Case/Age(yr)/Sex Location/Maximum Diameter (mm) DSA^a 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 2^b Grade 2^b Coincided Coincided
2/73/F Rt middle fossa/40 – Grade 2^b Grade 3^c Coincided Coincided
3/48/F Rt convexity/55 + Grade 3^c Grade 3^c Coincided Coincided
4/58/M^d Rt convexity/60 + Grade 3^c Grade 3^c PD PD
5/64/M Lt convexity/45 – Grade 3^c Grade 3^c Coincided PD
6/58/F Lt middle fossa/33 – Grade 3^c Grade 3^c PD PD
7/42/M Lt middle fossa/65 + Grade 3^c Grade 3^c PD PD
8/71/F Rt cavernous sinus/50 + Grade 3^c Grade 3^c 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.