Table III.

The relationship between imaging characteristics and pathological classification.

	Pathological classification
Imaging	WHO	WHO	WHO
characteristics	grade I	grade II	grade III
The edema around meningioma	34	6	7
The invasion of venous sinus	17	0	0
The change of bone	9	0	2
The brain tumor interfaces	4	6	6
The invasion of blood and vessels	0	2	2
The invasion of exterior structure	0	1	0