Table 3.

Pathological type of 43 lesions in 41 cases of BRCA1 mutation-associated breast cancer

Pathological type	BRCA1 mutation (N)	Without BRCA1 mutation (N)
Infitrating ductal carcinoma	33	354
Intraductal carcinoma	3	19
Intraductal carcinoma with local infiltrating	2	11
Intraductal papillary carcinoma	1	4
Malignant phyllodes tumor	1	3
Invasive cribriform carcinoma	2	1
Mixed type of breast cancer	1	-
Infiltrating lobular carcinoma	-	8
Lobular carcinoma in situ	-	1
Medullary carcinoma	-	1
Colloid carcinoma	-	4
Myoepithelial carcinoma	-	2
Paget disease (or with Intraductal carcinoma)	-	7
Low-grade myofibroblastic sarcoma	-	1
Invasive tubular carcinoma	-	4
Small cell neuroendocrine carcinoma	-	1
Infiltrating neuroendocrine carcinoma	-	1
Total	43	422