Table 1 Kaiser score categories and their typical histopathological correlates

1

Fibroadenoma

n.a.

Fig. 8

2

Fibroadenoma, adenosis, papilloma

IDC

Fig. 9

3

Benign epithelial proliferations, inflammatory changes

DCIS

Fig. 10

4

Adenosis

IDC

Fig. 2

5

Benign and atypical epithelial proliferations, papillomatosis, fibroadenoma, fibroadenomatoid hyperplasia

DCIS, IDC

Fig. 12

6

Scar tissue and inflammation

IDC, ILC

Fig. 11

7

Scar tissue and inflammation

IDC, ILC

Fig.

8

Atypical fibroadenoma, adenosis

High proliferative IDC, metastasis, lymphoma

Fig. 13

9

n.a.

IDC, ILC

-

10

n.a.

IDC, ILC

-

11

n.a.

IDC, ILC

Fig. 12