نتایج جستجو برای: ductal
تعداد نتایج: 18053 فیلتر نتایج به سال:
Purpose: To determine the clinicopathological features and survival outcomes of triple-negative breast cancer (TNBC) according to different histological subtypes. Methods: Using the Surveillance, Epidemiology, and End Results database, we included TNBC cases in 2010-2013. The effect of histological subtype on breast cancer-specific survival (BCSS) and overall survival (OS) were analyzed using u...
In this study, we performed high-resolution array comparative genomic hybridization with an array of 4153 bacterial artificial chromosome clones to assess copy number changes in 44 archival breast cancers. The tumors were flow sorted to exclude non-tumor DNA and increase our ability to detect gene copy number changes. In these tumors, losses were more frequent than gains, and gains in 1q and lo...
PURPOSE Ductal lavage has been used for risk stratification and biomarker development and to identify intermediate endpoints for risk-reducing intervention trials. Little is known about patient characteristics associated with obtaining nipple aspirate fluid (NAF) and adequate cell counts (> or =10 cells) in ductal lavage specimens from BRCA mutation carriers. METHODS We evaluated patient char...
purpose: to report a uveal metastasis from infiltrative ductal carcinoma of breast. case report: a 45 year old woman with 9 year history of left breast ductal carcinoma and axillary lymph nodes involvement has found soft tissue are right eye uveal metastasis after 5 and 9 years respectively. conclusion: every patient with breast carcinoma should have complete eye examination at least every 6 mo...
CONTEXT Tropical calcific pancreatitis is unique to developing countries with of unknown origin. OBJECTIVE We evaluated the pattern of pancreaticobiliary ductal union in patients with tropical calcific pancreatitis. PATIENTS Twenty-one patients with tropical calcific pancreatitis were compared to 174 control subjects with no pancreaticobiliary disease and 35 patients with alcohol-induced ch...
We investigated the expression of membrane type-1 (MT1)-MMP, MMP2, MMP9 and TIMP2 mRNAs and their roles in ductal carcinoma in situ (DCIS) and T1 and T2 invasive ductal carcinoma of the breast. We further compared these two types of carcinomas for differences in microvessel density, and expression of angiogenic factors and CD44std. MT1-MMP, MMP2, MMP9 and TIMP2 mRNA were expressed in both DCIS ...
In this study, we performed high-resolution array comparative genomic hybridization with an array of 4153 bacterial artificial chromosome clones to assess copy number changes in 44 archival breast cancers. The tumors were flow sorted to exclude non-tumor DNA and increase our ability to detect gene copy number changes. In these tumors, losses were more frequent than gains, and gains in 1q and lo...
OBJECTIVE To determine the frequency of the immunohistochemical profiles of a series of high-grade ductal carcinoma in situ of the breast. METHODS One hundred and twenty-one cases of high-grade ductal carcinoma in situ, pure or associated with invasive mammary carcinoma, were identified from 2003 to 2008 and examined with immunohistochemistry for estrogen receptor, human epidermal growth fact...
BACKGROUND Breast cancer originates in breast epithelium and is associated with progressive molecular and morphologic changes. Women with atypical breast ductal epithelial cells have an increased relative risk of breast cancer. In this study, ductal lavage, a new procedure for collecting ductal cells with a microcatheter, was compared with nipple aspiration with regard to safety, tolerability, ...
Systemic hormones and local growth factor-mediated tissue interactions are essential for mammary gland development. Using phenotypic and transplantation analyses of mice carrying the mesenchymal dysplasia (mes) allele of patched 1 (Ptch1(mes)), we found that Ptch1(mes) homozygosity led to either complete failure of gland development, failure of post-pubertal ductal elongation, or delayed growth...
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