Amyloidosis of the Breast: Three Different and Unusual Presentations of a Rare Entity.

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Amyloidosis of the Breast: Three Different and Unusual Presentations of a Rare Entity.

Pathobiology. 2015;82(6):264-8

Authors: Herrero L, Naranjo-Hans D, Solé M, Santamaría G, Bargalló X, Velasco M, Fernández PL

Abstract
BACKGROUND: Amyloidosis involving the breast is a rare finding and it may present as a solitary mass called 'amyloid tumor'. According to the largest case series, the amyloid deposits are usually of the AL type (commonly x03BA; light chain).
METHODS: We report 3 cases diagnosed at our institution in the period from 2000 to 2015. Radiological, histological and immunohistochemical studies were performed.
RESULTS AND CONCLUSIONS: Together with a case presenting in a patient with multiple myeloma, we describe 2 unique presentations including 1 associated with CREST syndrome in a patient with a previous history of breast carcinoma and another, also associated with cancer, with transthyretin deposits in a woman with a TTR gene mutation and a family history of familial amyloidotic polyneuropathy. These cases are an example of the vast heterogeneity of this disorder regarding its clinical presentation, the type of amyloid deposits and other diseases associated with breast amyloidosis.

PMID: 26513367 [PubMed - indexed for MEDLINE]

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