نتایج جستجو برای: ductal carcinoma
تعداد نتایج: 401249 فیلتر نتایج به سال:
Distinguishing between reactive mesothelial proliferations and adenocarcinoma is often very difficult. Ancillary studies, in particular immunohistochemistry, are often critical in detecting malignant epithelial cells, especially in serous effusion specimens. MOC-31 and Ber-EP4 are antibodies which target the epithelial cell adhesion molecule (Ep-CAM, TACSTD1) expressed in epithelial cells, and ...
BACKGROUND Breast-specific gamma imaging (BSGI) is a functional imaging modality that has comparable sensitivity but superior specificity compared with magnetic resonance imaging, yielding fewer false-positive results and thereby improving clinical management of the newly diagnosed breast cancer patient. METHODS A retrospective review was performed from 2 community-based breast imaging center...
Immunohistochemistry using antibodies to cytokeratin 8 can serve as a valuable diagnostic tool for the differentiation of lobular from ductal carcinomas of the breast. In contrast with ductal carcinomas, which exhibit a peripheral-predominant immunostaining pattern, adjacent tumor cells “molding” to each other, lobular carcinomas exhibit a ring-like perinuclear immunostaining pattern, creating ...
Detection of tumor-specific microRNAs (miRs) in the blood of cancer patients may provide a unique and valuable biomarker for diagnosis and prognosis. The aim of this study was to investigate whether plasma levels of microRNA-4270 could serve as a potential marker for breast invasive ductal carcinoma. A total of 40 breast cancer patients and 28 controls were recruited in this study. Total RNA wa...
Breast cancer coexisting with lymphoma is a rare condition with various diagnostic and therapeutic implications. In this report, we describe the case of a 55-year-old Caucasian woman who presented with simultaneous ductal carcinoma in situ of the right breast, and follicular lymphoma involving an inguinal lymph node and the left breast. The patient underwent local excision and radiotherapy for ...
PURPOSE Mucins are members of the glycoprotein family expressed in benign and malignant epithelial cells. The aim of this study is to evaluate the relationships between the expression of mucins in breast ductal carcinoma and clinicopathologic parameters. METHODS We constructed tumor microarrays based on 240 cases of invasive ductal carcinoma and 40 cases of ductal carcinoma in situ (DCIS) usi...
Loss of expression for both the estrogen receptor-alpha and E-cadherin genes has been linked to disease progression in human ductal breast carcinomas and has been associated with aberrant 5' CpG island methylation. To assess when, during malignant progression, such methylation begins and whether such methylation increases with advancing disease, we have surveyed 111 ductal carcinomas of the bre...
PURPOSE Normal epithelial cell specific-1 (NES1)/kallikrein 10 gene is expressed in normal mammary and prostate epithelial cells, but the expression of NES1 mRNA and protein is markedly reduced in established breast and prostate cancer cell lines although the NES1 gene is intact. Here, we wished to assess whether NES1 expression is down-regulated in primary breast cancers. EXPERIMENTAL DESIGN...
The vast majority of invasive breast tumors are ductal and lobular breast carcinomas. Despite the many similarities, some clinical follow-up data and the patterns of metastases suggest that these histological subtypes of breast cancer are biologically distinct. Few papers, however, describe immunohistochemical markers useful for differentiation of these carcinomas. Many investigations suggest t...
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