Table 2.

CEUS Qualitative Features with Different Histologic grades of Breast Cancer.

Histologic grade	Enhancement Intensity		Internal Homogeneity		Enhancement edge		Perfusion defect		Radial or penetrating vessel		Enhancement scope enlarged
	Hyper-enhancement	Iso- or hypo-enhancement	Homogeneous	Heterogeneous	clear	blurred	Present	Absent	Present	Absent	Present	Absent
Grades I and II	47	79	83	43	24	102	26	100	45	81	77	49
Grade III	44	13	7	50	12	45	41	16	47	10	42	15
Total	91	92	90	93	36	147	67	116	92	91	119	64
P Value	< 0.01		< 0.01		0.752		< 0.01		< 0.01		0.099