Table 1 The features at initial detection of MIN and early invasive cancers
Feature at initial detection | MIN (n = 21) | Invasive cancers (n = 14) | |
|---|---|---|---|
Region | Upper gland | 2 (9%) | 1 (7%) |
| Â | Mid gland | 10 (48%) | 8 (57%) |
| Â | Lower gland | 9 (43%) | 5 (36%) |
Distance from lymph node (mm) |  | 3.5 ± 1.8 | 6.6 ± 7.6 |
Age (weeks) |  | 12.7 ± 2.6 | 16.3 ± 3.2 |
Volume (mm 3 ) |  | 0.34 ± 0.22 | 17.2 ± 41.6* |
Morphology | Â | Â | Â |
Type** | Nonmass | 21 (100%) | 0 (0%) |
| Â | Mass | 0 (0%) | 14 (100%) |
Distribution (Nonmass) | Ductal | 11 (52%) | -- |
| Â | Segmental | 9 (43%) | -- |
| Â | Linear | 1 (5%) | -- |
Pattern (Nonmass) | Clumped | 2 (10%) | -- |
| Â | Homogeneous | 14 (67%) | -- |
| Â | Stippled | 5 (23%) | -- |
Shape (Mass) | Irregular | -- | 3 (21%) |
| Â | Round | -- | 9 (64%) |
| Â | Lobular | -- | 2 (14%) |
Margins (Mass) | Smooth | -- | 10 (71%) |
| Â | Irregular | -- | 4 (29%) |
Pattern (Mass) | Heterogeneous | -- | 4 (29%) |
| Â | Homogeneous | -- | 10 (71%) |