نتایج جستجو برای: ductal
تعداد نتایج: 18053 فیلتر نتایج به سال:
Skin-sparing mastectomy with immediate breast reconstruction can provide an excellent cosmetic result. Despite its increasing popularity, few studies have assessed the risk of recurrence when the procedure is used for the treatment of ductal carcinoma in situ. To evaluate the oncologic safety of skin-sparing mastectomy used for the treatment of ductal carcinoma in situ, the recurrence rate was ...
Topological properties of the breast ductal network have shown the potential for classifying clinical breast images with and without radiological findings. In this paper, we review three methods for the description and classification of breast ductal topology. The methods are based on ramification matrices and symbolic representation employing text mining techniques.. The performance of these m...
BACKGROUND Increasing interest in the intraductal approach to the breast has necessitated revisiting the anatomy of the breast. METHODS Using six different complementary in vivo and in vitro approaches, the authors determined the number, distribution, and anatomic properties of the ductal systems of the breast, which extend from the nipple orifices to the terminal duct lobular units. RESULT...
Introduction & Objective: Genetic agents play important roles in developing of cancers. Mutations and polymorphism affects on p53 protein function in suppressing tumor. We aimed to investigate the intron 3 polymorphism of p53 in Isfahanian breast invasive ductal carcinoma. Materials & Methods: We undertook a case–control study on 192 controls and 192 patients with breast invasive ductal carc...
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 featur...
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....
Benign epithelial lesions with no significant tendency to malignant transformation include: adenoma: -Ductal -lactating -Tubular adenosis: -apocrine -blunt duct -microglandular -sclerosing fibroadenoma radial scar/complex sclerosing lesions Invasive breast carcinomas are divided into two major categories on the basis of their cytoarchitectural features: Invasive ductal carcinoma: -acinic cell c...
To compare the lesion distribution and the extent of the disease in ductal and lobular carcinomas of the breast, we studied 586 ductal and 133 lobular consecutive cancers. All cases were documented on large-format histology slides. The invasive component of ductal carcinomas was unifocal in 63.3% (371/586), multifocal in 35.5% (208/586), and diffuse in 1.2% (7/586) of the cases. The correspondi...
CONTEXT Cytological assessment of pancreatic juice is commonly used to diagnose pancreatic ductal adenocarcinoma; however, the sensitivity of cytological assessment has been reported to be low. MicroRNAs are small RNAs regulating various cellular processes and have recently been identified as possible markers of malignant diseases including pancreatic ductal adenocarcinoma. OBJECTIVE The purp...
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