Table 2. Histopathologic Features of 111 Lesions.
Histopathologic Features | n (%) |
---|---|
Benign lesions | 77 (100) |
Fibrocystic change | 13 (16.9) |
Ductectasia | 1 (1.3) |
Fibroadenoma | 10 (13.0) |
Complex fibroadenoma | 1 (1.3) |
Adenosis, other than sclerosing adenosis | 4 (5.2) |
Sclerosing adenosis | 10 (13.0) |
Atypical apocrine adenosis | 1 (1.3) |
Usual ductal hyperplasia | 5 (6.5) |
Florid ductal epithelial hyperplasia | 5 (6.5) |
Columnar cell change | 3 (3.9) |
Intraductal papilloma | 11 (14.3) |
Radial scar | 3 (3.9) |
Mucocele-like lesion | 1 (1.3) |
Atypical ductal hyperplasia | 4 (5.2) |
Atypical lobular hyperplasia | 2 (2.6) |
Lobular carcinoma in situ | 3 (3.9) |
Malignant Lesions | 34 (100) |
Invasive cancer | 16 (47.1) |
Invasive ductal carcinoma | 12 (35.3) |
Invasive lobular carcinoma | 4 (11.8) |
Ductal carcinoma in situ | 18 (52.9) |