Case # 12
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68 year old female with right retroareolar invasive lobular carcinoma with positive margins
| Sagittal
T2W |
Sagittal T2W FS |
 |
 |
Biopsy cavity at 12:00, small cyst at 6:00 (arrow)
| Enhancement
curve |
 |
 |
Irregular region of progressive enhancement that plateaus, located around the cyst in the 6:00 position
| Subtraction |
|
First post-enhancement phase |
Third post-enhancement phase |
| Ultrasound
- complex cyst and 5-mm hypoechoic solid mass with minimal posterior shadowing |
 |
|
| Diagnosis:
Focal organizing hemorrhage and histiocyte reaction; patchy chronic
periductal inflammation and fibrosis |
|
| With an
adjacent invasive lobular carcinoma, this lesion was felt to be
suspicious but was negative on biopsy. |