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Breast-nonmalignant
Fibrocystic disease
Fibroadenomatoid change
Reviewer: Hind Nassar, MD, Johns Hopkins Medical Institute
Revised: 7 October 2012, last major update June 2010
Copyright: (c) 2002-2010, PathologyOutlines.com, Inc.
Definition
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● An incidental finding, usually in a background of fibrocystic change
Terminology
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● Also called fibroadenomatoid hyperplasia, fibroadenomatoid mastopathy
Clinical features
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● Incidence of 11% (Pathology 1987;19:393, Malays J Pathol 1991;13:101)
● Radiology: suspicious, granular, clustered microcalcifications on screening mammography (AJR Am J Roentgenol 1998;171:1331)
Micro description (Histopathology)
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● Proliferation of intralobular connective tissue that resembles microscopic foci of fibroadenoma without an actual mass and without the typical circumscription of a fibroadenoma
● Often coexists with dilated ducts, epithelial hyperplasia, adenosis, calcifications
Micro images
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Fibroadenomatoid focus
End of Breast-nonmalignant > Fibrocystic disease > Fibroadenomatoid change
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