Table 5 Shows relation between MRI finding and pathology
From: MRI for assessment of pathologic nipple discharge: is it mandatory?
Malignant (n = 21) | Benign (n = 72) | p value | |
|---|---|---|---|
No (%) | No (%) | ||
Non-mass enhancement | 21 (100) | 12 (16.7) | < 0.001** |
Focal | 0(0) | 9 (75) | |
Linear | 3 (14.3) | 3 (25) | |
Regional | 6 (28.6) | 0 (0) | |
Segmental | 9 (42.8) | 0 (0) | |
Diffuse | 3 (14.3) | 0 (0) | |
Enhanced focus | 0 (0) | 3 (4.2) | 1.0 |
Enhanced mass | 9 (42.9) | 15 (20.8) | 0.335 |
Shape of mass | 0.237 | ||
Rounded | 0 (0) | 3 (20) | |
Oval | 0 (0) | 6 (40) | |
Irregular | 9 (100) | 6 (40) | |
Margin of mass | 0.196 | ||
Circumscribed | 0 (0) | 9 (60) | |
Non circumscribed | 9 (100) | 6 (40) | |
No abnormal enhancement | 0 (0) | 42 (58.3) | 0.007* |
STIR signal | < 0.001** | ||
No abnormal findings | 0 (0) | 3 (4.2) | |
Low signal mass | 9 (42.9) | 6 (8.3) | |
Low signal ducts | 0 (0) | 18 (25) | |
High signal mass | 0 (0) | 12 (16.7) | |
High signal ducts | 0 (0) | 33 (45.8) | |
High signal region | 12 (57.1) | 0 (0) | |
Size of lesion | |||
Median width (range) | 6.5 (1.5–9) | 3.7 (0.75–6.7) | 0.275 |
Median Length (range) | 3 (1.5-8.5) | 2.6 (0.70-3.9) | 0.827 |