alexa E-cadherin expression in invasive breast cancer.
Surgery

Surgery

Surgery: Current Research

Author(s): Suciu C, Cmpean AM, Murean AM, Izvernariu D, Raica M

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Abstract There were investigated 22 cases with invasive breast carcinoma from the archive material, and the immunohistochemical expression of E-cadherin was correlated with clinical stage, pathological type, grade of the tumor, and lymph nodes status. The expression of E-cadherin was assessed by the pattern of the final product of reaction and number of positive cells. The reaction was appreciated as normal if over 70\% of tumor cells showed membrane of membrane and cytoplasmic pattern, and aberrant, if less than 70\% of tumor cells were positive. There were found 45.5\% cases with normal expression and 54.5\% with aberrant expression. Strong positive reaction was found mainly in tumor cells invading the adipose tissue, but the reaction was weak or negative in tumor cells within the vessels. Both normal and aberrant expression of E-cadherin correlates with grade and with clinical stage. In our study was found that the increase of the tumor grade is associated with decrease in the expression of E-cadherin. Tumors over 2 cm in their larger diameter showed a decreased expression of E-cadherin. Seventeen from 22 cases with lymph node metastasis had positive reaction in the primary, but there were not found significant differences between the normal and aberrant expression.
This article was published in Rom J Morphol Embryol and referenced in Surgery: Current Research

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