EPC exhibits an expression pattern of invasion-associated markers, which is intermediate in nature between DCIS and invasive cancer, providing further support of the unique biological features of EPC, and which may explain its clinically indolent behaviour.
HighlightsGlycogen Rich Clear Cell Carcinoma (GRCC) is the commonest cause of clear cell morphology in breast malignancies.No specific radiologic characteristics associated with GRCC carcinoma.Axillary lymph node involvement is the most important prognostic factor.
Adenoid cystic carcinoma (ACC) is a rare type of breast carcinoma resembling adenoid cystic carcinoma of other sites. this type of tumors usually characterized by the exhibiting dual cell population of luminal and basaloid with specific growth pattern Most of these sub types are triple-negative with basal-like breast features (tumors that are devoid of estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2 expression, and express basal cell markers), they are usually low-grade but can be high grade, clinical behavior is indolent despite the nuclear grade, lymph node involvement or distant metastases which is rarely occur. Treatment is either simple mastectomy or lumpectomy. Chemotherapy, radiation and hormonal treatment have limited used in those cases.
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