Table 2.
Pathological and radiological classification of malignant breast lesions
| Conventional imaging | MBI | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BI-RADS ≤ 3 | BI-RADS > 3 | BI-RADS ≤ 3 | BI-RADS > 3 | Total | Size (mm) | |||||||
| Ductal carcinoma | 9 | 36% | 6 | 24% | 1 | 4% | 14 | 56% | 15 | 60% | 15 | 6–70 |
| Lobular carcinoma | 3 | 12% | 1 | 4% | 2 | 8% | 2 | 8% | 4 | 16% | 10 | 6–14 |
| DCIS | ||||||||||||
| Grade 1 | 1 | 4% | – | – | 1 | 4% | 1 | 4% | 9 | – | ||
| Grade 2 | 2 | 8% | – | – | 2 | 8% | 2 | 8% | 25 | 24–26 | ||
| Grade 3 | 2 | 8% | – | 1 | 4% | 1 | 4% | 2 | 8% | 10 | 10–10 | |
| Intracystic carcinoma | 0 | – | 1 | 4% | 0 | 1 | 4% | 1 | 4% | 10 | – | |
| Total | 17 | 68% | 8 | 32% | 4 | 16% | 21 | 84% | 25 | 100% | 14 | 6–70 |
Data are median (range) or N (%). Conventional imaging includes mammography plus ultrasound.
DCIS, ductal carcinoma in situ; MBI, molecular breast imaging.