Infiltrating duct cell carcinoma in lactating adenoma: A rare case in pair.

Lactating adenomas, though considered being benign, sometimes turn out to be malignant. We are hereby presenting two cases of lactating adenomas which turned out to be harboring infiltrating duct cell carcinoma (DCC). Two lactating women with mass in the breast were referred from surgery for fine-needle aspiration cytology and biopsy.