Magnetic resonance imaging in size assessment of invasive breast carcinoma with an extensive intraductal component

Table 2 MRI findings of the study population (n = 23).

Characteristic	Category	N	%
Morphologic pattern	Round or oval	2	9
	Lobulated	2	9
	Irregular	4	17
	Ductal	7	30
	Segmental	8	35
Enhancement	Heterogeneous	23	100
	Homogeneous	0	0
Margins	Regular	3	13
	Irregular	11	48
	Spiculated	9	39
Kinetic contrast enhancement	Progressive	7	30
	Plateau	1	4
	Washout	13	57
	Unknown¹	2	9
BI-RADS classification	4: suspicious abnormality	9	39
	5: highly suggestive of malignancy	14	61

¹ MR images of 2 patients were reviewed on a plain film MRI on which no kinetic contrast enhancement could be assessed.

ISSN: 1471-2342