An<unk>  is a rare tumour in the breast composed of glandular elements (adeno-) and myoepithelial cells. It is usually benign; however, there are reports of malignant behaviour. The histomorphologic appearance can mimic invasive ductal carcinoma, the most common type of invasive breast cancer.
Adenomyoepithelioma of the breast
Mucinous carcinoma of the breast
Duct ectasia of breast
Angiokeratoma
Mammary-type myofibroblastoma
Acral fibrokeratoma
Medulloepithelioma
Littoral cell angioma