Table 2.
Breast anatomy composition distribution into the BIRADS categories during 2013 at our institution
| Breast anatomy composition into the BIRADS categories at our institution | |||
|---|---|---|---|
| BIRADS category | Breast anatomy composition | Total | % |
| 0 | Entirely fat | 13 | 2.72% |
| Extremely dense | 134 | 28.03% | |
| Scattered areas of figroglandular tissue | 155 | 32.43% | |
| Heterogeneously dense | 176 | 36.82% | |
| BIRADS 0 total | 478 | ||
| 1 | Entirely fat | 118 | 7.19% |
| Extremely dense | 374 | 22.79% | |
| Scattered areas of figroglandular tissue | 598 | 36.44% | |
| Heterogeneously dense | 551 | 33.58% | |
| BIRADS 1 total | 1641 | ||
| 2 | Entirely fat | 571 | 8.27% |
| Extremely dense | 1342 | 19.43% | |
| Scattered areas of figroglandular tissue | 2783 | 40.29% | |
| Heterogeneously dense | 2211 | 32.01% | |
| BIRADS 2 total | 6907 | ||
| 3 | Entirely fat | 11 | 4.68% |
| Extremely dense | 72 | 30.64% | |
| Scattered areas of figroglandular tissue | 76 | 32.34% | |
| Heterogeneously dense | 76 | 32.34% | |
| BIRADS 3 total | 235 | ||
| 4 | Entirely fat | 5 | 3.65% |
| Extremely dense | 46 | 33.58% | |
| Scattered areas of figroglandular tissue | 33 | 24.09% | |
| Heterogeneously dense | 53 | 38.69% | |
| BIRADS 4 total | 137 | ||
| 5 | Entirely fat | 3 | 6.12% |
| Extremely dense | 12 | 24.49% | |
| Scattered areas of figroglandular tissue | 24 | 48.98% | |
| Heterogeneously dense | 10 | 20.41% | |
| BIRADS 5 total | 49 | ||
| 6 | Entirely fat | 9 | 4.48% |
| Extremely dense | 62 | 30.85% | |
| Scattered areas of figroglandular tissue | 65 | 32.34% | |
| Heterogeneously dense | 65 | 32.34% | |
| BIRADS 6 total | 201 | ||