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MRI findings (n = 107)
|
n
|
%
|
|
Mass
|
67
|
62,6
|
|
Mass and non-mass enhancement
|
21
|
19,6
|
|
Non-mass enhancement
|
17
|
15,9
|
|
Negative findings
|
2
|
1,8
|
|
Masses (n = 88)
|
n
|
%
|
|
Shape
|
|
Round
|
3
|
3,4
|
|
Oval
|
43
|
48,9
|
|
Irregular
|
41
|
46,6
|
|
Margin
|
|
Circunscribed
|
8
|
9,1
|
|
Irregular
|
54
|
61,4
|
|
Spiculated
|
18
|
20,4
|
|
Internal enhancement
|
|
Homogeneous
|
11
|
12,5
|
|
Heterogeneous
|
58
|
65.8
|
|
Rim enhancement
|
14
|
15,9
|
|
Kinetic curve (n = 60)
|
|
Persistent
|
4
|
4,5
|
|
Plateau
|
21
|
23,8
|
|
Washout
|
35
|
39,8
|
|
Non-mass enhancement (n = 38)
|
n
|
%
|
|
Distribution
|
|
Focal
|
3
|
7,9
|
|
Linear
|
15
|
39,4
|
|
Segmental
|
10
|
26,2
|
|
Regional
|
5
|
13,1
|
|
Diffuse
|
1
|
2,6
|
|
Multiple regions
|
2
|
5,3
|
|
Internal enhancement
|
|
Homogeneous
|
7
|
18,4
|
|
Heterogeneous
|
20
|
52,6
|
|
Clumped
|
3
|
7,9
|
|
Cluestered rings
|
1
|
2,6
|
|
Associated Features
|
n
|
%
|
|
None
|
52
|
48,6
|
|
Skin invasion
|
16
|
14,9
|
|
Nipple invasion
|
12
|
31,6
|
|
Pectoralis muscle invasion
|
6
|
15,8
|
|
Axillary adenopathy
|
37
|
34,6
|
