What are Inflammatory Disorders of the Breast?

Inflammatory Disorders of the Breast
Microscopic finding of operative specimen. It shows dilated intermediary-sized ducts with a surrounding inflammatory infiltrate of lymphocytes, plasma cells, and granuloma formation (H&E stain, ×100 [Inlet magnification is ×200]).Medical and surgical treatment of idiopathic granulomatous lobular mastitis: a benign inflammatory disease mimicking invasive carcinoma. Gurleyik G, Aktekin A, Aker F, Karagulle H, Saglamc A - Journal of breast cancer (2012). Not Altered. CC.

Inflammatory disorders of the breast are divided into three categories: infectious mastitis, non-infectious mastitis, and mastitis related to underlying malignancy.

Examples of inflammatory disorders of the breast include:

  • Acute mastitis
  • Duct ectasia
  • Fat necrosis
  • Granulomatous mastitis
  • Lymphocytic mastopathy aka sclerosing lymphocytic lobulitis
  • Squamous metaplasia of lactiferous ducts