Table 1.
Clinical and histologic characteristics for 14 patients in the study.
| Characteristic | Median (Range) or n (%) |
|---|---|
| Age (years) | 50 (35 – 65) |
| Initial tumor size (cm)* | 5.2 (2.7 to 10.3) |
| Histologic Type: | |
| Invasive ductal | 13 (93%) |
| Invasive lobular | 1 (7%) |
| Tumor Gradea: | |
| 1 | 1 (7%) |
| 2 | 1 (7%) |
| 3 | 12 (86%) |
| ER | |
| Positive | 6 (43%) |
| Negative | 8 (57%) |
| PR | |
| Positive | 3 (21%) |
| Negative | 11 (79%) |
| HER-2/neu | |
| Positive | 4 (29%) |
| Negative | 10 (71%) |
| Pathologic Response | |
| Complete | 5 (36%) |
| Residual Disease | 9 (64%) |
Abbreviations: ER, estrogen receptor; PR, progesterone receptor
*
Size measured for largest tumor diameter on DCE-MRI.
a
Tumor grade was assessed prior to treatment