Table 3.
IHC use per type of center.
| IHC only in case of doubt | IHC only to differentiate LCIS from DCIS | Only by morphology | Systematically by morphology and IHC | p-value | ||
|---|---|---|---|---|---|---|
| Center of activities | Large tertiary hospital | 17 (26.6) | 1 (25.0) | 1 (25.0) | 25 (33.3) | 0.5802 |
| Private laboratory | 6 (9.4) | 1 (25.0) | 0 (0.0) | 7 (9.3) | ||
| Small community hospital | 3 (4.7) | 1 (25.0) | 0 (0.0) | 3 (4.0) | ||
| University Hospital | 38 (59.4) | 1 (25.0) | 3 (75.0) | 40 (53.3) | ||
| Average volume breast cancer samples/year | 0–150 samples | 6 (9.4) | 0 (0.0) | 1 (25.0) | 1 (1.3) | 0.1259 |
| 151–300 samples | 9 (14.1) | 2 (50.0) | 1 (25.0) | 17 (22.7) | ||
| 301–500 samples | 16 (25.0) | 0 (0.0) | 0 (0.0) | 14 (18.7) | ||
| >500 samples | 33 (51.6) | 2 (50.0) | 2 (50.0) | 43 (57.3) | ||
| Number of pathologist handling breast cancer specimen | 1 | 5 (7.8) | 0 (0.0) | 1 (25.0) | 4 (5.3) | 0.2804 |
| 1 to 4 | 30 (46.9) | 3 (75.0) | 0 (0.0) | 41 (54.7) | ||
| 5 or more | 29 (45.3) | 1 (25.0) | 3 (75.0) | 30 (40.0) |