Breast - nonmalignant
Inflammatory / infectious
Chronic inflammation


Topic Completed: 1 March 2010

Revised: 11 January 2019

Copyright: (c) 2002-2019, PathologyOutlines.com, Inc.

PubMed Search: Chronic inflammation [title] breast
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Cite this page: Nassar H Chronic inflammation. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/breastchronicinflammation.html. Accessed April 20th, 2019.
Definition / general
  • Nonspecific finding of chronic inflammatory cells, not part of other inflammatory entities
Epidemiology
  • Common
Etiology
  • Associated with cyst rupture and release of secretions into stroma
Differential diagnosis
  • Duct ectasia: also dilated large ducts with fibrous thickening of wall, elastic fibers in wall and foamy macrophages in lumen
  • Foreign body reaction: also foreign body giant cells, fat necrosis, calcification, cholesterol clefts
  • Lymphocytic mastitis: ill defined lesion of dense intralobular, perilobular and perivascular lymphocytes with lobular atrophy and sclerosis, B cell lymphoepithelial lesions, lymphoid follicles with germinal centers
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