Fig 3.

Scatter plots of the tumoral (A–C) and peritumoral (D–E) rCBV values of different tumor groups show that higher rCBV values are linearly related to higher degree malignancy. Lines are fitted by linear regression with 95% confidence interval. LGGT indicates low-grade glial tumor; HGGT, high-grade glial tumor; MET, metastasis; LGA, low-grade astrocytoma; LGMT, low-grade mixed tumor; HGA, high-grade astrocytoma; HGMT, high-grade mixed tumor; DAS, diffuse astrocytoma; PAS, pilocytic astrocytoma; AAS, anaplastic astrocytoma; GBM, glioblastoma multiforme.