Mastitis refers to inflammation of the breast parenchyma, of which there are a number of sub types :
- puerperal mastitis : occurs usually from infection with Staphylococcus during lactation
- non-puerperal mastitis : not related to lactation, and occurs usually in older women
- plasma cell mastitis (mammary duct ectasia) : uncommon sub areolar inflammation without associated bacterial infection.
- granulomatous mastitis : rare ; usually occurs due to tuberculosis or sarcoidosis
Clinically, the breast will be indurated, red and painful. Nipple retraction may also be evident. Nodal enlargement is common. The patient may often have systemic symptoms such as fever or leukocytosis.
On mammography, bacterial (puerperal or non-puerperal) mastitis will usually feature ill defined regions of increased density.
On ultrasound, the skin will be thickened, and abscess formation may be visible.
- breast abscess formation
It is important to consider inflammatory breast cancer as a potential differential.
- 1. Weissleder R, Wittenberg J, Harisinghani MM et-al. Primer of Diagnostic Imaging, Expert Consult- Online and Print. Mosby Inc. (2011) ISBN:0323065384. Read it at Google Books - Find it at Amazon
- 2. Paredes ES. Atlas of mammography. Lippincott Williams & Wilkins. (2007) ISBN:0781764335. Read it at Google Books - Find it at Amazon
Synonyms & Alternative Spellings
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|Mastitis : general||✗|