| Number of Patients |
1660 Women |
| Mean Age |
57 years old |
| Major Incidence Range |
50 to 63 years old |
| Palpable Tumor |
53% of cases |
| Single Tumor |
89% of cases |
| Location |
34.96% upper outer quadrant |
| 16.20% upper quadrant union |
|
| 11.44% upper inner quadrant |
|
| 10.38% outer quadrant union |
|
| 9.19% inner quadrant union |
|
| 8.38% areolar |
|
| 5.13% lower outer quadrant |
|
| 4.32% lower inner quadrant |
|
| Histology |
70.4% infiltrative ducal carcinoma |
| 11.87% intraductal in situ carcinoma |
|
| 5.86% infiltrative intraductal carcinoma |
|
| 5.73% lobulillar carcinoma |
|
| 8.14% others |
|
| Size |
1.82 cm (SD 0.98; range 0.2 - 8.1 cm) |
| Vascular or Linfatic Infiltration |
28% of cases |
| Positive Hormone Receptors |
83% of cases |
| Positive Erb2 |
30% of cases |
| Tracer Injection |
59.81% intratumoral |
| 31.57% intratumoral + subdermal |
|
| 6.44% peritumoral |
|
| 2.19% subareolar |
|
| Number of Nodes Biopsied |
1.44 (SD 0.69) |
| Number of Metastatic Sentinel Nodes |
0.3 (SD 0.56) |
| Nodal Location |
1.364 axillary (82.2%) |
| 267 axillary and non-axillary (16.1%) |
|
| 29 extra-axillary (1.7%) |
|
| Surgical Treatment |
86.45% tumorectomy |
| 13.55% mastectomy |
|
| Axillary Lymph Node Dissection |
24% of cases |
| Metastatic Nodes |
0.87 (SD 2.15; range 0 - 21) |