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Breast-nonmalignant
Inflammatory / infectious
Chronic inflammation
Reviewer: Hind Nassar, M.D. in January 2009 (see Authors page)
Revised: 26 September 2012, last major update March 2010
Copyright: (c) 2002-2010, PathologyOutlines.com, Inc.
Definition
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● Nonspecific finding of chronic inflammatory cells, not part of other inflammatory entities
Terminology
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Epidemiology
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● Common
Etiology
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● Associated with cyst rupture and release of secretions into stroma
Clinical features
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Prognostic factors
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Case reports
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Treatment
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Clinical images
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Gross description (Macroscopy)
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Gross images
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Micro description (Histopathology)
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Micro images
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Drawings
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Virtual Slides
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Videos
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Cytology description
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Cytology images
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Positive stains
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Negative stains
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Electron microscopy descriptions
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Electron microscopy images
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Molecular / cytogenetics description
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Molecular / cytogenetics images
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Differential Diagnosis
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● 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
● Duct ectasia: also dilated large ducts with fibrous thickening of wall, elastic fibers in wall and foamy macrophages in lumen
Additional references
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End of Breast-nonmalignant > Inflammatory / infectious > Chronic inflammation
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