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Breast-nonmalignant
Inflammatory / infectious
Polyarteritis nodosa
Reviewer: Hind Nassar, M.D. in January 2009 (see Authors page)
Revised: 5 April 2010, last major update April 2010
Copyright: (c) 2002-2010, PathologyOutlines.com, Inc.
Definition
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● Very rare vasculitis in breast of medium and small vessels
Terminology
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● Also called periarteritis nodosa
● See also giant cell arteritis
Epidemiology
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Sites
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Etiology
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Clinical features
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Prognostic factors
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Case reports
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● 34 year old woman with presentation as an isolated breast lesion (Br J Dermatol 1999;141:1117)
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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● Vasculitis of medium and small arteries
● Medium arteries have intimal fibroplasia, fragmentation of internal elastic lamina and inflammatory cellular infiltration
● Small arteries have fibrinoid vasculitis
Micro images
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Site unknown-intimal hyperplasia Site unknown-fibrinoid necrosis
Lower extremity
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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● (link to topic)
Additional references
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● Histopathology 1993;23:535. Int J Surg 2009;7:446
End of Breast-nonmalignant > Inflammatory / infectious > Polyarteritis nodosa
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