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Molecular alterations in metaplastic breast carcinoma


Metaplastic carcinoma of the breast is a rare and heterogeneous subtype of breast carcinoma with a generally poor outcome, and few therapeutic options once disease recurs or progresses. Metaplastic carcinomas of the breast are usually of a larger size at diagnosis, with less frequent nodal metastasis compared with invasive ductal carcinoma no special type, and lack hormone and HER2 receptor expression. Recent research has revealed some potentially actionable genetic changes in a subset of these rare tumours. However, ongoing efforts to further characterise the genetic basis and the molecular alterations underlying the distinctive morphological and clinical characteristics of these tumours are needed in order to identify new targets for treatment. This review will describe the theories of pathogenesis of metaplastic breast carcinoma, and highlight genetic changes and potential therapeutic targets in this generally poor prognosis malignancy.

Type Journal
ISBN 1472-4146 (Electronic) 0021-9746 (Linking)
Authors Cooper, C. L. ; Karim, R. Z. ; Selinger, C. ; Carmalt, H. ; Lee, C. S. ; O'Toole, S. A.;
Published Date 2013-01-01
Published Volume 66
Published Issue 6
Published Pages 522-8
Status Published in-print
OpenAccess link to author's accepted manuscript version