Table 3. Extent of Resection as Evaluated on Postoperative MRI with Volumetric Analysis and Location of Residual Tumor.

EOR
Total	23 (38.3%)
Subtotal	32 (53.3%)
Partial	5 (8.3%)
Volume of residue	mean (cm3)	range (cm3)
subtotal	6.5	1.5–13.3
partial	22.8	7.9–37.2
Residue site (37 pts)
Cortico-subcortical	20 (54%)
subcortical	17 (45.9%)