Table 2:

General imaging features of 9 patients with hemangiopericytoma

Patient	Location	Shape	Size^a (mm)	Necrosis	Edema	Hyperostosis or Bone Erosion
1	Right middle cranial fossa	Multilobular	55 × 48 × 41	Yes	Mild	Indeterminate
2	Left frontal-temporal convexity	Multilobular	60 × 58 × 55	Yes	Mild	Bone erosion of inner table
3	Right middle cranial fossa	Multilobular	67 × 73 × 72	Yes	None	Bone erosion
4	Left frontal convexity	Multilobular	50 × 47 × 51	Yes	Mild	Indeterminate, bone erosion
5	Right occipital-parietal parasagittal	Multilobular	54 × 41 × 46	Yes	Mild	No
6	Right frontal parasagittal	Oval	78 × 76 × 87	Yes	Moderate	No
7	Bifrontal, anterior cranial fossa	Multilobular	102 × 72 × 61	Yes	Mild	Indeterminate
8	Right occipital-parietal convexity	Multilobular	80 × 80 × 70	Yes	Moderate	Indeterminate, bone erosion
9	Bioccipital-parietal parasagittal	Multilobular	116 × 66 × 50	Yes	Moderate	No