Lymphoepithelioma-like breast carcinoma.

Nasopharyngeal lymphoepithelioma is an undifferentiated carcinoma in a dominated lymphoplasma-histiocyte stroma. Lymphoepithelioma-like carcinoma of the breast is the mammary counterpart of the lymphoepithelioma of the nasopharynx and is characterised by proliferation of poorly differentiated malignant cells within a prominent lymphoid infiltrate. It is a very rare primary carcinoma of the breast first reported in 1994 by Kumar and Kumar.

Hemangiopericytoma of the breast: a case report and a review of the literature.

Introduction. Sarcomas of the breast are rare and hemangiopericytoma (HPC) of the breast is even rarer. Case Report.