نتایج جستجو برای: breast invasive ductal carcinoma
تعداد نتایج: 716813 فیلتر نتایج به سال:
in human breast cancer, estrogen receptor (er) status of the tumor has prognostic and therapeutic significance. however, facilities to study er are not widely available to us. we postulated that if there is a correlation between histologic grade and er status of invasive ductal carcinoma (idc), it may help predict the er status of the tumor. of 8 4 cases of breast carcinoma referred to the canc...
abstract background: the polymorphic variants at codon 72 of the p53 gene, encoding either proline or arginine at residue 72, produce marked change in the structure of p53. from the evidence that the dnamismatch repair system and p53 interact to maintain genomic integrity, we hypothesized that the codon 72 variation may influence the prevalence of microsatellite instability a feature of malig...
primary breast sarcoma is a rare disease of the breast that comprises a heterogeneous group of malignant mesenchymal neoplasms, including angiosarcoma, liposarcoma, leiomyosarcoma, fibrosarcoma, sarcomas with bone and cartilage, and malignant fibrous histiocytoma. yet the exact incidence of primary breast sarcoma has not been reported, but it approximately accounts for less than 1% of all breas...
Background: Breast cancer is the most common malignancy in females worldwide. Several etiological factors including environmental factors have been recognized for breast cancer. Epstein Barr virus as a viral etiological factor has been proposed. So far, several studies have investigated the relationship between development of breast cancer and Epstein Barr virus, but few have been done in Iran....
Background: Breast cancer is one of the most common women’s cancers, and the number of cases is increasing worldwide. Objective: The current study compared invasive lobular carcinoma (ILC) and invasive ductal carcinoma with regard to the prevalence of estrogen receptor (ER), progesterone receptor (PR), and age prevalence. Methods: T...
background and objectives: breast cancer is the most common malignancy among women in the world. the aim of this study was to assess estrogen receptor (er), progesterone receptor (pr) and her-2/neu of infiltrating ductal carcinoma (idc) with tumor size, histologic grade, lymph node metastasis and age. methods: this study was carried out on 300 tissue blocks ofpatients with idc who underwent mas...
background: breast cancer is the most common malignancy in females worldwide. several etiological factors including environmental factors have been recognized for breast cancer. epstein barr virus as a viral etiological factor has been proposed. so far, several studies have investigated the relationship between development of breast cancer and epstein barr virus, but few have been done in iran....
BACKGROUND Metaplastic breast carcinoma is a rare aggressive malignant neoplasm. The purposes of this study are to review the pathologic features and clinical outcomes of metaplastic breast carcinoma compared to invasive ductal carcinoma and to evaluate the prognosis of metaplastic breast carcinoma. METHODS The cases of 55 patients with metaplastic breast carcinoma presenting between 1991 and...
Background & Aims: This study was performed to investigate possible relationships between the manifestation of stromal cells (fibroblasts and/or myofibroblasts) by focusing on expression of their matrix metalloproteinase 9 (MMP9) and possible angiogenesis based on CD31 and CD34 antigen expression during the various steps of hyperplastic changes to precancerousstate and invasive breast cancer. M...
Background and purpose: Breast carcinoma is the most common malignant tumor and the leading cause of death due to cancer among women. Previous studies have shown that increased expression of dysadherin promotes cancer metastasis and reduced expression of E-cadherin was also associated with progression of epithelial tumors. The aim of this study was concurrent assessment of E- cadherin and dysad...
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