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Poorly differentiated myoepithelial cell rich carcinoma of the breast
Author(s) -
DAMIANI S.,
RICCIONI L.,
PASQUINELLI G.,
EUSEBI V.
Publication year - 1997
Publication title -
histopathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.626
H-Index - 124
eISSN - 1365-2559
pISSN - 0309-0167
DOI - 10.1046/j.1365-2559.1997.5630800.x
Subject(s) - myoepithelial cell , adenoid cystic carcinoma , myoepithelioma , adenosquamous carcinoma , breast carcinoma , carcinoma , pathology , clear cell carcinoma , histogenesis , immunohistochemistry , biology , medicine , adenocarcinoma , breast cancer , cancer
Three unusual cases of invasive breast carcinoma are reported, each comprising a dual malignant cellular proliferation consisting of ‘ordinary’ epithelial cells as well as myoepithelial cells haphazardly intermingled. The cases displayed features which did not match any of the four main types of invasive malignant breast tumours containing myoepithelial elements, i.e. adenomyoepithelioma, adenoid cystic carcinoma, pure myoepithelioma and low‐grade adenosquamous carcinoma. The designation of ‘poorly differentiated myoepithelial cell rich carcinoma’ (PDMC) is proposed for these tumours.