Table 2.
Case | Atypia | Cellularity | Mitoses/10 HPF | Atypical mitoses | LVI | Necrosis | Infiltrative edge | Hyalinized vessels | Lymphocytic inflammation | Myxoid stroma | Nuclear pseudoinclusions |
---|---|---|---|---|---|---|---|---|---|---|---|
1 | 1–2 | 2 | 1 | N | N | N | Y | N | + | Focal | Y |
2 | 2 | 2 | 5 | N | N | N | Y | Y | + | N | N |
3 | 1 | 2 | 8 | N | Y | N | Y | N | + | N | N |
4 | 1–2 | 1–2 | 4 | N | N | N | Y | Y | + | N | Y |
5 | 2–3 (focal) | 2–3 | 16 | N | N | Y | Y | Y | ++ | N | Y |
6 | 2 | 2 | 6 | N | N | N | Y | Y | ++ | N | N |
7 | 1 | 3 | 4 | N | N | N | Y | N | + | N | N |
8 | 1 | 3 | 43 | N | N | N | Y | N | + | N | N |
9 | 1–2 | 2 | 23 | N | N | N | Y | N | 0 | Focal | N |
10 | 2 | 2–3 | 4 | N | N | Y | Y | Y | + | Focal | Y |
11 | 2–3 (focal) | 2 | 2 | N | N | N | Y | N | +++ | N | Y |
12 | 1–2 | 1–2 | 7 | N | N | N | Y | N | +++ | Focal | Y |
13 | 3, diffuse | 2 | 26 | Y | N | N | Y | N | + | N | Y |
14 | 3, diffuse | 1–3 | 3 | Y | Y | Y | Y | Y | ++ | N | Y |
15 | 2 | 2 | 1 | N | N | N | NA | N | + | N | Y |
LVI = lymphovascular invasion; HPF = high power fields; NA = not assessable