Table 2.
Histopathology | Samples | Percent (%) |
---|---|---|
Malignant (N = 16) | ||
Invasive ductal carcinoma (with and without associated ductal carcinoma in situ) | 14 | 87.50 |
Mixed pleomorphic invasive lobular and ductal carcinoma | 1 | 6.25 |
Intraductal papillary carcinoma | 1 | 6.25 |
Benign (N = 115) | ||
Fibroadenomaa | 51 | 44.35 |
Fibrocystic changes | 21 | 18.26 |
Inflammatory process (including chronic inflammation, abscess and idiopathic granulomatous mastitis) | 11 | 9.57 |
Other benign | 9 | 7.83 |
Papillary lesions (including benign intraductal papillomas and one papillary lesion with atypia that was not upgraded to malignancy with surgical excisiona) | 8 | 6.96 |
Stromal fibrosis | 7 | 6.09 |
Fat necrosis | 2 | 1.74 |
Lymph node/lymphoid tissuea | 2 | 1.74 |
Pseudoangiomatous stromal hyperplasia (PASH) | 2 | 1.74 |
Nipple adenoma | 1 | 0.87 |
Atypical ductal hyperplasia (ADH) with associated atypical papillary lesion (not upgraded to malignancy with surgical excision)a | 1 | 0.87 |
aSix of the 131 lesions were recommended for surgical excisional biopsy. 4 of the 6 patients obtained surgical excisional biopsy and none were upgraded to malignancy