Table 1.
Summary of Demographic, Pathological and Clinical Data.
| Malignant Characteristics | IDC | DCIS + IDC | IDC + ILC | ILC | Sarcomatoid | |
|---|---|---|---|---|---|---|
| N = 20 (33%) |
N = 17 (28%) |
N = 14 (23%) |
N = 7 (13%) |
N = 1 (3%) |
||
| Age, years a | 53 ± 11 | 52 ± 10 | 56 ± 12 | 58 ± 6 | 68 | |
| Phenotype | ||||||
| Luminal A b | 9 | 4 | 8 | 4 | 0 | |
| Luminal B b | 7 | 7 | 5 | 4 | 0 | |
| HER2+ b | 1 | 0 | 0 | 0 | 0 | |
| Triple Negative b | 3 | 6 | 1 | 0 | 1 | |
| Benign Characteristics | Benign Breast Tissue | Stable Imaging | Fibroadenoma | ADH | ADH with Lobular Features | Papilloma |
| N = 12 (30%) |
N = 9 (23%) |
N = 8 (20%) |
N = 6 (13%) |
N = 4 (10%) |
N = 2 (5%) |
|
| Age, years a | 49 ± 9 | 52 ± 6 | 44 ± 14 | 55 ± 6 | 49 ± 9 | 63 ± 10 |
a Data are presented as mean ± (standard deviation); b Data are presented as number of cases. DCIS = Ductal carcinoma in situ; ILC = Invasive lobular carcinoma; LCIS = Lobular carcinoma in situ; IDC = Invasive ductal carcinoma, ADH = Atypical Ductal Hyperplasia, HER2+ = human epidermal growth factor receptor 2.