Detail of a mammography showing liponecrosis (round/oval calcifications) and plasma cell mastitis with typical rod-like calcifications Noninvasive methods to determine<unk>  diameter in live patients are available only recently and it is not clear how the results should be compared with older results from biopsies. Histologically, dilation of the large<unk>  is prominent.<unk>  widening with associated periductal fibrosis is frequently included in the wastebasket definition of fibrocystic disease. In plasma cell rich lesions diagnosed on core biopsies, steroid-responsive IgG4-related mastitis can be identified by IgG/IgG4 immunostaining.
Duct ectasia of breast
Papillomatosis of breasts
Breast cyst
Adenomyoepithelioma of the breast
Breast eczema
Mucinous carcinoma of the breast
Keratin implantation cyst
Solitary cutaneous leiomyoma