Table 3:

CBF and ¹H-MRSI indices from different regions of oligodendrogliomas

Oligodendroglioma Region	Grade 2
Oligodendroglioma Region	CBF_Oligo/WM	NAA_Oligo/WM	Cr_Oligo/WM	Cho_Oligo/WM	mIns_Oligo/WM	Glx_Oligo/WM	Lip+Lac_Oligo/Cr_WM
Hyperperfused	1.70 ± 0.53	0.49 ± 0.13	0.73 ± 0.16	1.16 ± 0.25	1.17 ± 0.24	0.65 ± 0.24	2.64 ± 0.65
Hypoperfused	0.73 ± 0.12	0.46 ± 0.10	0.80 ± 0.26	1.39 ± 0.28	1.07 ± 0.27	0.59 ± 0.12	2.73 ± 0.79
Isoperfused	0.93 ± 0.17	0.48 ± 0.15	0.85 ± 0.14	1.49 ± 0.4	1.18 ± 0.42	0.68 ± 0.24	1.82 ± 0.3

	Grade 3
Hyperperfused	2.16 ± 0.37	0.44 ± 0.14	0.71 ± 0.13	2.20 ± 0.35^*	1.30 ± 0.16	0.89 ± 0.30	5.15 ± 0.68^*
Hypoperfused	0.78 ± 0.14	0.44 ± 0.15	0.69 ± 0.22	1.69 ± 0.36	1.36 ± 0.33	0.61 ± 0.24	3.22 ± 0.1.12
Isoperfused	0.97 ± 0.19	0.42 ± 0.12	0.69 ± 0.22	1.64 ± 0.69	1.34 ± 0.88	0.72 ± 0.12	2.56 ± 0.85

Note:—CBF indicates cerebral blood flow; NAA, N-acetylaspartate; _Oligo/WM, oligodendroglioma/white matter; Cr, creatine; Cho, choline; mIns, myo-inositol; Glx, glutamine/glutamate; Lip+Lac, lipid and lactate.
* Significantly higher (P < .05) compared with grade 2 oligodendrogliomas.